Dr. Manis Kumar Jha

Name of the editor Dr. Manis Kumar Jha
PhD
dESIGNATION Senior Principal Scientist
Metal Extraction & Recycling Division
Guest Editor, Hydrometallurgy, ELSEVIER, (Sp. Issue, IC-LGO 2015)
Co-ordinator, South Korean Internship (E-waste Recycling) at NML
Invited Scientist at KIGAM, South Korea
Visiting Professor at Univ. Sci. & Tech., South Korea
Steering Committee Member of World Recycling Forum (WRF)
Short Profile Since the last 24 years undersigned has been actively involved in the development of application oriented technology in area of Hydrometallurgical (Leaching, solvent extraction, cementation, precipitation and electrolysis) extraction of various metals viz. Mn, Al, Fe, REMs (Rare earth metals), Cu, Ni, Co and precious metals (Au, Ag, Pd, Pt etc) from primary resources (Pyrolusite, Monazite, Bauxite, Sea-nodules, Molybdenite etc.), secondaries (Solid-Liquid Industrial Waste, Urban Ore (E-waste) and various newly launched waste (telecom, medical, signals and transmission devices). The above R&D work since 24 years realises with 09 Patents, 111publications in journals/ proceedings, 09 Know-How/ Technology Transfer, co-ordination of 06 batches of Paid Korean Internship and 01 Nigerian Student visited NML for training. Several technological Know-Hows, for recycling of E-waste have been transferred recently to national and international companies.
Photo
Email   mkjha@nmlindia.org / maniskrjha@gmail.com
Office / Residential address Metal Extraction & Recycling Division
CSIR-National Metallurgical Laboratory
Burmamines, Jamshedpur, PIN 831 007, INDIA
Mobile +91-9430185563
Role of the editor
(Chief / Managing/Associate /Section)
Chief Editor
Home page of the editor www.nmlindia.org (organizational)
Google Scholar profile of the editor https://scholar.google.co.in/citations?user=grVoB54AAAAJ&hl=en
SSRN profile of the editor www.nmlindia.org
http://eprints.nmlindia.org/view/creators/Jha=3AManis_K=3A=3A.html
ResearchGate profile of the editor https://www.researchgate.net/profile/Manis_Jha
Publications (If publications are not available online, then provide a list of 4 publications published during last 10years)(Excludepaperspublishedbytheeditorinthejournalsofwhichhe/sheisin-chargeofthepublishing
company / trust / department)
Annexure-I

Patents

  1. Rekha Panda, Manis Kumar Jha, Archana  Kumari, Jhumki  Hait, 2018. Recovery of gold from scrap parts of transmission and sophisticated electronic devices [PAT-0548-2018-IN/ 0092NF2019].
  2. Archana Kumari, Manis Kumar Jha, Rekha Panda, Jhumki Hait, 2018. Process for the recovery of Europium (Eu) and Yttrium (Y) from phosphor powder of obsolete fluorescent lamps [PAT-0548-2018-IN/ 0090NF2019].
  3. Mary B Ogundiran, Tope Damilola Ogundele, Manis Kumar Jha, 2017. A process for production of nano-PbO from spent automobile lead-acid battery. Patent No.: NG/PT/NC/2017/2459.
  4. S. Ranganathan, Vinod Kumar, Manis Kumar Jha, Anjan Kumari, 2014. A process for the pyrolysis of depopulated printed circuit boards of e-waste. Patent No: 2465DEL2014, India.
  5. Manis Kumar Jha, Amrita Kumari Jha, Jhumki Hait, Vinay Kumar, 2014. A process for the recovery of rare earth metals from scrap fluorescent tubes. Patent No.: 0280DEL2014, India.
  6. Manis Kumar Jha, Amrita Kumari Jha, Sushanta Kumar Sahu, Archana Kumari, Vinay Kumar, 2013. A process for the recovery of neodymium as a value added product from waste hard disk of personal computers. Patent No.: 1660DEL2013 (2013), India.
  7. Jae-Chun Lee, Jae-Min Yoo, Jin Ki Jeong, Manis Kumar Jha, 2009.  Pre-treatment process for liberation of metals from waste printed circuit boards using organic solution,  USA Patent No. US 7867317 B2, Publication date: 22nd May 2009 (USA).
  8. Jae-Chun Lee, Jae-Min Yoo, Jin Ki Jeong, Manis Kumar Jha, 2007. Novel pre-treatment process for liberation of metals from waste printed circuit boards using organic solution. Korean Patent application number 10-2007-0116992, dated: 16th Nov. 2007 (South Korea).
  9. Manis Kumar Jha, D. Bagchi, Vinay Kumar, 2006. A process for the extraction of zinc from zinc waste effluent, Govt. of India Patent No. 1869/DEL/2004, India.

Publications in Journals/ Proceedings

  1. Archana Kumari, Sunidhi Singh, Kavita Parmar, Devendra Deo Pathak, Manis Kumar Jha, 2020. Treatment of monazite processed effluent to recover rare earth metals (REMs). Journal of Industrial and Engineering Chemistry 83, 421-429.
  2. Rekha Panda, Om Shankar Dinkar, Manis Kumar Jha, Devendra Deo Pathak, 2020. Novel approach for selective recovery of gold, copper, and iron as marketable product from industrial effluent. Gold Bulletin 53, 11-18.
  3. Rekha Panda, Om Shankar Dinkar, Manis Kumar Jha, Devendra Deo Pathak, 2020. Recycling of gold from waste electronic components of devices. Korean Journal of Chemical Engineering 37(1), 111-119.
  4. Archana Kumari, Rekha Panda, Jin Young Lee, Thenepalli Thriveni, Manis Kumar Jha,Devendra Deo Pathak, 2019. Extraction of rare earth metals (REMs) from chloride medium by organo-metallic complexation using D2EHPA. Separation and Purification Technology 227, 115680.
  5. Archana Kumari, Manis Kumar Jha, Kyoungkeun Yoo, Rekha Panda, Jin Young Lee, Jyothi Rajesh Kumar, Devendra Deo Pathak, 2019. Advanced process to dephosphorize monazite for effective leaching of rare earth metals (REMs). Hydrometallurgy 187, 203-211.
  6. Archana Kumari, Rukshana Parween, Sanchita Chakravarty, Kavita Parmar, Devendra Deo Pathak, Jae-chun Lee, Manis Kumar Jha,2019. Novel approach to recover rare earth metals (REMs) from Indian coal bottom ash. Hydrometallurgy 187, 1-7.
  7. Archana Kumari, Manis Kumar Jha, Devendra Deo Pathak, Sanchita Chakravarty, Jae-chun Lee, 2019. Processes developed for the separation of europium (Eu) from various resources. Separation and Purification Reviews 48, 91-121.
  8. Rekha Panda, Manis Kumar Jha, Devendra Deo Pathak, 2019. Recovery of precious metals from PCBs of e-waste. Journal of Metallurgy and Materials Science 61(4), 213-219.
  9. Archana Kumari, Rekha Panda, Manis Kumar Jha, Devendra Deo Pathak, 2018. Extraction of rare earth metals by organometallic complexation using PC88A. Comptes Rendus Chimie 21, 1029-1034.
  10. Archana Kumari, Soni Jha, Jay Narayan Patel, Sanchita Chakravarty, Manis Kumar Jha, Devendra Deo Pathak, 2018. Processing of monazite leach liquor for the recovery of light rare earth metals (LREMs). Minerals Engineering 129, 9-14.
  11. Tam Thi Nguyen, Kyoungkeun Yoo, Manis Kumar Jha, Jayhyun Park, Uikyu Choi, Hongil Choe, Jae-chun Lee, 2018. Removal of heavy metals from tailing in citrate solution with ferric chloride. Materials Transactions 59 (10), 1665-1668.
  12. Deblina Dutta, Rekha Panda, Archana Kumari, Sudha Goel, Manis Kumar Jha, 2018. Sustainable recycling process for metals recovery from used printed circuit boards (PCBs). Sustainable Materials and Technologies 17, e00066.
  13. Deblina Dutta, Archana Kumari, Rekha Panda, Soni Jha, Divika Gupta, Sudha Goel, Manis Kumar Jha, 2018. Close loop separation process for the recovery of Co, Cu, Mn, Fe and Li from spent lithium-ion batteries. Separation and Purification Technology 200, 327-334.
  14. Anjan Kumari, Manis Kumar Jha, Rajendra Prasad Singh, S. Ranganathan, 2017. Investigation of the influence of inert and oxidizing atmospheres on the efficiency of decomposition of waste printed circuit boards (WPCBs). Heat Mass Transfer 53, 1247-1255.
  15. Manish Kumar Sinha, Swati Pramanik, Aarti Kumari, Sushanta Kumar Sahu, Lal Bahadur Prasad, Manis Kumar Jha, Kyoungkeun Yoo, Banshi Dhar Pandey, 2017. Recovery of value added products of Sm and Co from waste SmCo magnet by hydrometallurgical route. Separation and Purification Technology 179, 1-12.
  16. Rekha Panda, Archana Kumari, Manis Kumar Jha, Devendra Deo Pathak, 2017. Recuperation of gold from waste printed circuit boards of small electronic devices. Journal of Metallurgy and Materials Science 59(4), 181-187.
  17. Manis Kumar Jha, Archana Kumari, Rekha Panda, Jyothi Rajesh Kumar, Kyoungkeun Yoo, Jin Young Lee, 2016. Review on hydrometallurgical recovery of rare earth metals. Hydrometallurgy 165, 2-26.
  18. Rekha Panda, Manis Kumar Jha, Jhumki Hait, Girendra Kumar, Ram Janam Singh, Kyoungkeun Yoo, 2016. Extraction of lanthanum and neodymium from leach liquor containing rare earth metals (REMs). Hydrometallurgy 165, 106-110.
  19. Anjan Kumari, Manis Kumar Jha, Rajendra Prasad Singh, 2016. Recovery of metals from pyrolysed PCBs by hydrometallurgical techniques. Hydrometallurgy 165, 97-105.
  20. Anjan Kumari, Manis Kumar Jha, Jae-chun Lee, Rajendra Prasad Singh, 2016. Clean process for recovery of metals and recycling of acid from the leach liquor of PCBs. Journal of Cleaner Production 112, 4826-4834.
  21. Manish Kumar Sinha, Swati Pramanik, Sushanta Kumar Sahu, Lal Bahadur Prasad, Manis Kumar Jha, Banshi Dhar Pandey, 2016. Development of an efficient process for the recovery of zinc and iron as value added products from the waste chloride solution. Separation and Purification Technology 167, 37-44.
  22. Kyoungkeun Yoo, Kwang seok Lee, Manis Kumar Jha, Jae-chun Lee, Kuk Cho, 2016. Preparartion of nano-sized tin oxide powder from waste Pb-free solder by direct nitric acid leaching. Journal of Nanoscience and Nanotechnology 16, 11238-11241.
  23. Deblina Dutta, Sudha goel, Jhumki Hait, Manis Kumar Jha, 2016. E-waste generation, management, utilization and recycling: a review. Journal of Metallurgy and Materials Science 58(3), 89-98.
  24. Rekha Panda, Archana Kumari, Jhumki Hait, Manis Kumar Jha, 2016. Extraction and separation of zinc and chromium from electroplating effluent. Journal of Metallurgy and Materials Science 58(4), 181-190.
  25. Pankaj Kumar Choubey, Rekha Panda, Manis Kumar Jha, Jae-chun Lee, Devendra Deo Pathak, 2015. Recovery of copper and recycling of acid from the leach liquor of discarded Printed Circuit Boards (PCBs). Separation and Purification Technology 156, 269-275.
  26. Sang-hun Lee, KyoungkeunYoo, Manis Kumar Jha, Jae-chun Lee, 2015. Separation of Sn from waste Pb-free Sn–Ag–Cu solder in hydrochloric acid solution with ferric chloride. Hydrometallurgy 157, 184-187.
  27. Ho-Sung Yoon, Chul-Joo Kim, Kyung Woo Chung, Sanghee Jeon, Ilhwan Park, Kyoungkeun Yoo, Manis Kumar Jha, 2015. The effect of grinding and roasting conditions on the selective leaching of Nd and Dy from NdFeB magnet scraps. Metals 5, 1306-1314.
  28. Archana Kumari, Rekha Panda, Manis Kumar Jha, Jyothi Rajesh Kumar, Jin Young Lee, 2015. Process development to recover rare earth metals from monazite mineral: a review. Minerals Engineering 79, 102-115.
  29. Vinod Kumar, Jae-chun Lee, Jinki Jeong, Manis Kumar Jha, Byung-Su Kim, Ratnakar Singh, 2015. Recycling of printed circuit boards (PCBs) to generate enriched rare metal concentrate. Journal of Industrial and Engineering Chemistry 21, 805-813.
  30. Archana Kumari, Rekha Panda, Manis Kumar Jha, Jin Young Lee, Jyothi Rajesh Kumar, Vinay Kumar, 2015. Thermal treatment for the separation of phosphate and recovery of rare earth metals (REMs) from Korean monazite. Journal of Industrial and Engineering Chemistry 21, 696-703.
  31. Gyeonghye Moon, Hongki Park, Kyoungkeun Yoo, Manis Kumar Jha, Richad Diaz Alorro, Ju Yup Kim, 2015. The determination of chemical forms of heavy metals in shooting area contaminated soil using sequential extraction method. Journal of Soil and Groundwater Environment 20(6), 111-116.
  32. Rajiv Ranjan Srivastava, Min-seuk Kim, Jae-chun Lee, Manis Kumar Jha, Byung-Su Kim, 2014. Resource recycling of super alloys and hydrometallurgical challenges. Journal of Materials Science 49(14), 4671-4686.
  33. Rekha Panda, Archana Kumari, Manis Kumar Jha, Jhumki  Hait, Vinay Kumar, Jyothi Rajesh Kumar, Jin Young Lee, 2014. Leaching of rare earth metals (REMs) from Korean monazite concentrate. Journal of Industrial and Engineering Chemistry 20, 2035-2042.
  34. Manis Kumar Jha, Divika Gupta, Pankaj Kumar Choubey, Vinay Kumar, Jinki Jeong, Jae-chun Lee, 2014. Solvent extraction of copper, zinc, cadmium and nickel from sulfate solution in mixer settler unit (MSU). Separation and Purification Technology 122, 119-127.
  35. Manis Kumar Jha, Divika Gupta, Jae-chun Lee, Vinay Kumar, Jinki Jeong, 2014. Solvent extraction of platinum using amine based extractants in different solutions: a review. Hydrometallurgy 142, 60-69.
  36. Anjan Kumari, Archana Kumari, Manis Kumar Jha, Vinay Kumar, Rajendra Prasad Singh, Kyoungkeun Yoo, 2014. Copper recovery from small devices populated on waste printed circuit boards. Journal of Metallurgy and Materials Science 56(1), 41-51.
  37. Vinod Kumar, Jae-chun Lee, Jinki Jeong, Manis Kumar Jha, Byung-Su Kim, Ratnakar Singh, 2013. Novel physical separation process for eco-friendly recycling of rare and valuable metals from end-of-life DVD-PCBs. Separation and Purification Technology 111, 145-154.
  38. Manis Kumar Jha, Jae-chun Lee, Min-seuk Kim, Jinki Jeong, Byung-Su Kim, Vinay Kumar, 2013. Hydrometallurgical recovery/ recycling of platinum by the leaching of spent catalysts: a review. Hydrometallurgy 133, 23-32.
  39. Manis Kumar Jha, Anjan Kumari, Amrita Kumari Jha, Vinay Kumar, Jhumki Hait, Banshi Dhar Pandey, 2013. Recovery of lithium and cobalt from waste lithium ion batteries of mobile phone. Waste Management 33, 1890-1897.
  40. Amrita Kumari Jha, Manis Kumar Jha, Anjan Kumari, Sushanta Kumar Sahu, Vinay Kumar, Banshi Dhar Pandey, 2013. Selective separation and recovery of cobalt from leach liquor of discarded Li-ion batteries using thiophosphinic extractant. Separation and Purification Technology 104, 160-166.
  41. Archana Kumari, Manis Kumar Jha, Jhumki Hait, Sushanta Kumar Sahu, Vinay Kumar, 2013. Processing of Korean monazite concentrate for the recovery of rare earth metals (REMs). Journal of Indian Chemical Society 90, 2105-2110.
  42. Anjan Kumari, Rajendra Prasad Singh, Manis Kumar Jha, Vinay Kumar, 2013. Extraction of copper from small electronic devices populated on discarded PCBs. Journal of Indian Chemical Society 90, 2121-2126.
  43. Manis Kumar Jha, Pankaj Kumar Choubey, Amrita Kumari Jha, Archana Kumari, Jae-chun Lee, Vinay Kumar, Jinki Jeong, 2012. Leaching studies for tin recovery from waste e-scrap. Waste Management 32, 1919-1925.
  44. Manis Kumar Jha, Archana Kumari, Pankaj Kumar Choubey, Jae-chun Lee, Vinay Kumar, Jinki Jeong, 2012. Leaching of lead from solder material of waste printed circuit boards (PCBs). Hydrometallurgy 121-124, 28-34.
  45. Manis Kumar Jha, Vinay Kumar, Jinki Jeong, Jae-chun Lee, 2012. Review on solvent extraction of cadmium from various solutions. Hydrometallurgy 111-112, 1-9.
  46. Kamla Kant Sahu, D. Mishra, Manis Kumar Jha, Archana Agrawal, 2012. Processing of secondaries and wastes for metal extraction. Science and Culture 78, 504-510.
  47. Manis Kumar Jha, Jae-chun Lee, Archana Kumari, Pankaj Kumar Choubey, Vinay Kumar, Jinki Jeong, 2011. Pressure leaching of metals from waste Printed Circuit Boards using sulphuric acid. Journal of Metals (JOM) 63(8), 29-32.
  48. Amrita Kumari Jha, Archana Kumari, Pankaj Kumar Choubey, Vinay Kumar, Manis Kumar Jha, 2011. Waste lithium ion batteries – An alternative resource to recover lithium and cobalt. Journal of Metallurgy and Materials Science 53(3), 225-231.
  49. Jin Young Lee, Amrita Kumari Jha, Archana Kumari, Jyothi Rajesh Kumar, Manis Kumar Jha, Vinay Kumar, 2011. Neodymium recovery by precipitation from synthetic leach liquor of concentrated rare earth mineral. Journal of Metallurgy and Materials Science 53(4), 349-354.
  50. Vinh Hung Ha, Jae-chun Lee, Jinki Jeong, Huynh Trung Hai, Manis Kumar Jha, 2010. Thiosulfate leaching of gold from waste mobile phones. Journal of Hazardous Materials 178, 1115-1119.
  51. Nghiem Van Nguyen, Jae-chun Lee, Soo-kyoung Kim, Manis Kumar Jha, Kang-Sup Chung, Jinki Jeong, 2010. Adsorption of gold(III) from waste rinse water of semiconductor manufacturing industries using Amberlite XAD-7HP resin. Gold Bulletin 43(3), 200-208.
  52. Nghiem Van Nguyen, Jinki Jeong, Manis Kumar Jha, Jae-chun Lee, Kwadwo Osseo-Asare, 2010. Comparative studies on the adsorption of Au(III) from waste rinse water of semiconductor industry using various resins. Hydrometallurgy 105, 161-167.
  53. Manis Kumar Jha, Archana Kumari, Pankaj Kumar Choubey, 2010. E-waste recycling: alternative metal resources. Minerals and Metals Review, 50-53.
  54. Nghiem Van Nguyen, Jae-chun Lee, Manis Kumar Jha, Kyoungkeun Yoo, Jinki Jeong, 2009. Copper recovery from low concentration waste solution using Dowex G-26 resin. Hydrometallurgy 97, 237-242.
  55. Vinay Kumar, Manoj Kumar, Manis Kumar Jha, Jinki Jeong, Jae-chun Lee, 2009. Solvent extraction of cadmium from sulfate solution with di-(2-ethyl-hexyl)- phosphoric acid diluted in kerosene. Hydrometallurgy 96, 230-234.
  56. Manis Kumar Jha, Nghiem Van Nguyen, Jae-chun Lee, Jinki Jeong, Jae-Min Yoo, 2009. Adsorption of copper from the sulphate solution of low copper contents using the cationic resin Amberlite IR 120. Journal of Hazardous Materials 164, 948-953.
  57. Byung-Su Kim, Manis Kumar Jha, Jinki Jeong, Jae-chun Lee, 2008. Leaching of impurities for the up-gradation of molybdenum oxide and cementation of copper by scrap iron. International Journal of Mineral Processing 88, 7-12.
  58. Jae-chun Lee, T. Zhu, Manis Kumar Jha, S.K. Kim, Kyoungkeun Yoo, Jinki Jeong, 2008. Solvent extraction of Cu(I) from waste etch chloride solution using Tri-butyl phosphate (TBP) diluted in 1-octanol. Separation and Purification Technology 62, 596-601.
  59. Manis Kumar Jha, Rewati Raman Upadhyay, Jae-chun Lee, Vinay Kumar, 2008. Treatment of rayon waste effluent for the removal of Zn and Ca using Indion BSR resin. Desalination 228, 97-107.
  60. Eun-young Kim, Min-seuk Kim, Jae-chun Lee, Manis Kumar Jha, Kyoungkeun Yoo, Jinki Jeong, 2008. Effect of cuprous ions on Cu leaching in the recycling of waste PCBs using electro-generated chlorine in hydrochloric acid solution. Minerals Engineering 21(1), 121-128.
  61. Nghiem Van Nguyen, Jae-chun Lee, Manis Kumar Jha, Min-seuk Kim, Jinki Jeong, Taek Sung Hwang, 2008. Ion exchange of copper from sulphate effluent using DOWEX G-26. Journal of Korean Institute of Resources Recycling 17(4), 37-46.
  62. Kyoungkeun Yoo, Manis Kumar Jha, Min-seuk Kim, Jae-Min Yoo, Jinki Jeong, Jae-chun Lee, 2008. Separation of Ni and Fe from H2SO4 leaching solution of scrapped Fe-Ni alloy. Journal of Korean Institute of Resources Recycling 17 (1), 80-87.
  63. Manis Kumar Jha, Jae-Min Yoo, Jae-chun Lee, Jinki Jeong, 2008. Separation of metal and plastic in waste PCBs by layer separation. Applied Chemistry 12(1), 181-184.
  64. Manis Kumar Jha, Vinay Kumar, Dulal Bagchi, Ram Janam Singh, Jae-chun Lee, 2007. Processing of rayon waste effluent for the recovery of zinc and separation of calcium using thiophosphinic extractant. Journal of Hazardous Materials 145, 221-226.
  65. Byung-Su Kim, Manis Kumar Jha, Kyoungkeun Yoo, Jinki Jeong, Jae-chun Lee, 2007. Removal of copper from roasted molybdenite concentrate by sulphuric acid. Journal of the Korean Society of Mineral and Energy Resources Engineers 44(3), 244-251.
  66. Manis Kumar Jha, Jae-chun Lee, 2006. A review on the status of WEEE recycling in Korea. Journal of Metallurgy and Materials Science 48(3), 117-128.
  67. Manis Kumar Jha, Vinay Kumar, 2005. Recovery of zinc from aqueous solutions by ion exchange process: a review. Journal of Metallurgy and Materials Science 47(3), 119-128.
  68. Manis Kumar Jha, Arvind Kumar Upadhyay, Dulal Bagchi, Vinay Kumar, 2005. Recovery of zinc from electroplating effluent using cationic resins. Journal of Metallurgy and Materials Science 47(4), 177-187.
  69. Manis Kumar Jha, Vinay Kumar, Lal Maharaj, Ram Janam Singh, 2005. Extraction and separation of Zn and Ca from solution using thiophosphinic extractant. Journal of Metallurgy and Materials Science 47(2), 71-83.
  70. Manis Kumar Jha, Vinay Kumar, Lal Maharaj, Ram Janam Singh, 2004. Studies on leaching and recycling of zinc from rayon waste sludge. Industrial and Engineering Chemistry Research 43(5), 1284-1295.
  71. Manis Kumar Jha, Vinay Kumar, Ram Janam Singh, 2002. Solvent extraction of zinc from chloride solutions. Solvent Extraction and Ion Exchange 20(3), 389-405.
  72. Manis Kumar Jha, Vinay Kumar, Ram Janam Singh, 2001. Review of hydrometallurgical recovery of zinc from industrial waste. Resources, Conservation andRecycling 33, 1-22.
  73. Rekha Panda, Manis Kumar Jha, Om Shankar Dinkar, Devendra Deo Pathak, 2020. Reclamation of precious metals from small electronic components of computer hard disks. In: Rare Metal Technology 2020, The Minerals, Metals and Materials Society 2020, pp. 243-250.
  74. Archana Kumari, Manis Kumar Jha, Sanchita Chakravarty, Devendra Deo Pathak, 2020. Indian coal ash: a potential alternative resource for rare earth metals (REMs). In: Rare Metal Technology 2020, The Minerals, Metals and Materials Society 2020, pp. 265-273.
  75. Pankaj Kumar Choubey, Manis Kumar Jha, Devendra Deo Pathak, 2020. Recovery of manganese and cobalt from discarded batteries of toys. In: Rare Metal Technology 2020, The Minerals, Metals and Materials Society 2020, pp. 275-281.
  76. Rekha Panda, Manis Kumar Jha, Devendra Deo Pathak, 2018. Commercial processes for the extraction of platinum group metals (PGMs). In: Rare Metal Technology 2018, The Minerals, Metals and Materials Series, The Minerals, Metals and Materials Society 2018, pp. 119-130.
  77. Deblina Dutta, Rekha Panda, Manis Kumar Jha, Sudha Goel, 2018. Recovery of manganese from scrap batteries of mobile phones. In: Rare Metal Technology 2018, The Minerals, Metals and Materials Series, The Minerals, Metals and Materials Society 2018, pp. 175-183.
  78. Archana Kumari, Manis Kumar Jha, Devendra Deo Pathak, 2018. Review on the processes for the recovery of rare earth metals (REMs) from secondary resources. In: Rare Metal Technology 2018, The Minerals, Metals and Materials Series, The Minerals, Metals and Materials Society 2018, pp. 53-65.
  79. Swati Pramanik, Manish Kumar Sinha, Aarti Kumari, Manis Kumar Jha, Sushanta Kumar Sahu, 2016. Recovery of rare earth oxide from phosphor powder of spent fluorescent lamp. In Hydrometallurgy Conference 2016: Sustainable Hydrometallurgical Extraction of Metals, South African Institute of Mining and Metallurgy (SAIMM), Cape Town, 1-3 August 2016, pp. 415-422.
  80. Sandip Chatterjee, Archana Kumari, Manis Kumar Jha, 2016. Sustainable recycling technology for electronic waste. In: Sustainability in the Mineral and Energy Sectors. Taylor and Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742 CRC Press, pp. 189-204. ISBN 978-1-4987-3302-1
  81. Anjan Kumari, Rajendra Prasad Singh, Manis Kumar Jha, Vinay Kumar, 2015. Extraction of copper from small electronic devices populated on discarded PCBs. In: Education in Chemical Science and Technology. Indian Chemical Society, Kolkata, pp. 81-91.
  82. Vinay Kumar, Manis Kumar Jha, Archana Kumari, Rekha Panda, Jyothi Rajesh Kumar, Jin Young Lee, 2014. Recovery of rare earth metals (REMs) from primary and secondary resources: a review. In: Rare Metal Technology 2014, 16/02/2014 To 20/02/2014, San Diego Convention Center, San Diego, California. USA, pp. 81-88.
  83. Pankaj Kumar Choubey, Manis Kumar Jha, Divika Gupta, Jinki Jeong, Jae-chun Lee, 2014. Recovery of rare metal indium (In) from discarded LCD monitors. In: Rare Metal Technology 2014, 16/02/2014 To 20/02/2014, San Diego Convention Center, San Diego, California. USA, pp. 39-42.
  84. Vinod Kumar, Anjan Kumari, Manis Kumar Jha, Ari Vidyadhar, B.K. Soni, 2014. Recycling of valuable metals from poly cracker ash of printed circuit boards (PCBS) by physical beneficiation and hydrometallurgical treatment. In: EPD Congress-2014, 16/02/2014 To 20/02/2014, San Diego Convention Centre, San Diego, California. USA, pp. 545-551.
  85. Pratima Meshram, Ilhwan Park, Manis Kumar Jha, Banshi Dhar Pandey, T.R. Mankhand, 2014. Recovery of metal values from spent Ni-metal hydride batteries. In 18th International Conference on Non-Ferrous Minerals and Metals-2014, Nagpur, India. pp. 17/1-17/8.
  86. Anjan Kumari, Vinod Kumar, Manis Kumar Jha, B.K. Soni, 2013. Processing of poly-cracked ash of printed circuit boards for recovery of valuable and rare metals. In: Proceedings of the XIII International Seminar on Mineral Processing Technology (MPT-20I3), 10/12/2013 to 12/12/2013, CSIR-IMMT, Bhubaneswar, pp. 929-933.
  87. Amit Anand, Manis Kumar Jha, Vinay Kumar, Rina Sahu, 2013. Recycling of precious metal gold from waste electrical and electronic equipments (WEEE): a review. In: Proceeding of the XIII International Seminar on Mineral Processing Technology (MPT-20I3), 10/12/2013 to 12/12/2013, CSIR-IMMT, Bhubaneswar, pp. 916-923.
  88. Pankaj Kumar Choubey, Manis Kumar Jha, Sushanta Kumar Sahu, Vinay Kumar, Jinki Jeong, Jae-chun Lee, Devendra Deo Pathak, 2013. Solvent extraction (SX) and separation of Sn/ Pb from the leach liquor of waste solder material and effluents. In: Proceedings of the XIII International Seminar on Mineral Processing Technology (MPT-20I3), 10/12/2013 to 12/12/2013, CSIR-IMMT, Bhubaneswar, pp. 847-851.
  89. Amrita Kumari Jha, Manis Kumar Jha, Vinay Kumar, Rina Sahu, 2013. Recovery of neodymium as value added product NdF3 from rare earth magnet. In: Proceedings of the
    XIII International Seminar on Mineral Processing Technology (MPT-2013), 10/12/2013 to 12/12/2014, CSIR-IMMT, Bhubaneswar, pp. 841-846.
  90. Vinod Kumar, Jae-chun Lee, Jinki Jeong, Doyun Shin, Manis Kumar Jha, Vinay Kumar, 2012. Enrichment of valuable metals from end-of-life printed circuit boards using mechanical recycling techniques. In: XXVI International Mineral Processing Congress (IMPC) 2012 Proceedings, September, 2012, New Delhi, pp. 02787-02799.
  91. Manis Kumar Jha, 2012. Status of E-waste recycling in India and developing recycling processes at CSIR-NML, India. In: Electronics Recycling Asia-2012, November 13 – 16, 2012, Guangzhou, China.
  92. Manis Kumar Jha, Pankaj Kumar Choubey, Archana Kumari, Rakesh Kumar, Vinay Kumar, Jae-chun Lee, 2011. Leaching of lead from solder material used in electrical and electronic equipment. In Proceedings of Second Symposium, Recycling of Electronic Waste II, TMS Annual Meeting and Exhibition, San-Diego Convention Centre, San-Diego, USA. pp. 25-31.
  93. Manis Kumar Jha, Abhishek Kumar, Vinay Kumar, Jae-chun Lee, 2011. Prospective scenario of E-waste recycling in India. In Proceedings of  Second Symposium, Recycling of Electronic Waste II, TMS Annual Meeting and Exhibition, San-Diego Convention Centre, San-Diego, USA. pp. 73-80.
  94. Archana Kumari, Manis Kumar Jha, Vinay Kumar, Jinki Jeong, Jae-chun Lee, 2010. Recovery of lead from the solder of waste printed circuit boards. XI International Seminar on Mineral Processing Technology (MPT-2010), NML, Jamshedpur, pp. 891-897.
  95. Pankaj Kumar Choubey, Manis Kumar Jha, Vinay Kumar, Jinki Jeong, Jae-chun Lee, 2010. Leaching studies for the recovery of tin from the solder of waste printed circuit boards. XI International Seminar on Mineral Processing Technology (MPT-2010), NML, Jamshedpur, pp. 884-890.
  96. Abhishek Kumar, Manis Kumar Jha, Vinay Kumar, Jinki Jeong, Jae-chun Lee, 2010. Solvent extraction: a potential tool for the separation of metals from leach liquor of electronics scraps.  XI International Seminar on Mineral Processing Technology (MPT-2010), NML, Jamshedpur, pp. 905-912.
  97. Vinay Kumar, Manis Kumar Jha, Manoj Kumar, Jinki Jeong, Jae-chun Lee, 2010. Extractions of copper from sulfate leach solution containing minor metallic constituents in mixer settler unit. 139th Annual Meeting and Exhibition (TMS-2010). In: EPD Congress 2010, The Minerals, Metals and Materials Society 2010, pp. 413-420.
  98. Manis Kumar Jha, Shivendra, Vinay Kumar, Banshi Dhar Pandey, Rakesh Kumar, Jae-chun Lee, 2010. Leaching studies for the recovery of metals from the waste printed circuit boards (PCBs). 139th Annual Meeting and Exhibition (TMS-2010). In: EPD Congress 2010, The Minerals, Metals and Materials Society 2010, pp. 945-952.
  99. Vinay Kumar, Manoj Kumar, Manis Kumar Jha, Jae-chun Lee, 2009. Extraction and separation of metals using LIX-84 and D2EHPA diluted in kerosene from sulphate solution. In Proceedings of EPD, The Mineral, Metals and Materials Society (TMS-2009), Annual Meeting and Exhibition, Feb. 15-19, 2009, San Francisco, California, USA, pp. 1089-1094.
  100. Nghiem Van Nguyen, Jae-chun Lee, Manis Kumar Jha, Jinki Jeong, Taek Sung Hwang, 2008. Ion-exchange of copper from the chloride wash water of electronic industry. In Proceedings of Hydrometallurgy 2008, 6th International Symposium Honoring Robert Shoemaker.  August 17-20, 2008, JW Marriott Desert Ridge Resort, Phoenix, Arizona,USA  pp. 201-208.
  101. Nghiem Van Nguyen, Jae-chun Lee, Manis Kumar Jha, Jae-Min Yoo, Jinki Jeong, 2008. Treatment of CPM waste effluent to recover copper by DOWEX G-26 resin. In: Proceedings of the Workshop on Promoting Development of Environmental Industry in Vietnam, September 4, 2008, INEST, Hanoi, Vietnam, pp. 57-67.
  102. Vinay Kumar, Manoj Kumar, D. Bagchi,.Manis Kumar Jha, Jinki Jeong, Jae-chun Lee, 2007. Solvent extraction studies for removal of hazardous metals from the sulfate leach solution of electronic wastes. Proceedings of International Symposium of Resource Recycling (ISSR-2007) November 27-28, 2007, Haevichi, Jeju, S. Korea pp.138-143.
  103. Manis Kumar Jha, Vinay Kumar, Jae-chun Lee, 2007. Processing of electroplating effluent for the recovery of zinc and chromium using ion exchange technique. In EPD-2007, Proceedings of TMS-2007, Hydrometallurgy: Metal recovery, The Minerals, Metals and Materials Society, USA, pp. 77-86.
  104. Jae-chun Lee, Manis Kumar Jha, Jinki Jeong, Min-seuk Kim, Kyoungkeun Yoo, 2007. Separation of Ni /Fe from industrial waste acid by solvent extraction technique using D2EHPA. In EPD-2007, Proceedings of TMS-2007, Hydrometallurgy: Waste water treatment, The Minerals, Metals & Materials Society, USA, pp. 1-10.
  105. Manis Kumar Jha, Jae-chun Lee, Jinki Jeong, Min-seuk Kim, 2007. Purification of nickel sulphate solutions following diffusion dialysis and solvent extraction process. Fall meeting, Dated 14-15 Nov. 2007, The Korean society for Geosystem Engineering, Lamada Hotel, Jeju, S. Korea, pp. 526.
  106. Nghiem Van Nguyen, Manis Kumar Jha, Jae-chun Lee, Taek Sung Hwang, 2007. Ion exchange of copper from chloride effluent of electronic industry using Amberlite IR-120 (Na). In: Proceedings of Fall meeting, Dated 14-15 Nov. 2007, The Korean society for Geosystem Engineering, Lamada Hotel, Jeju, S. Korea pp. 524.
  107. Eun-young Kim, Min-seuk Kim, Jae-chun Lee, Manis Kumar Jha, Kyoungkeun Yoo, Jinki Jeong, 2007. Effect of current density and stirring speed on copper leaching using electrogenerated chlorine, Spring confererence, KIGAM, Daejeon, 19th April 2007, The Korean society for Geosystem Engineering, KIGAM, S. Korea, pp.379.
  108. Manis Kumar Jha, Vinay Kumar, Dulal Bagchi, Ram Janam Singh, Jae-chun Lee, 2006. Recycling of rayon industry effluent for the recovery and separation of Zn/Ca using thiophosphinic extractant. In: Proceedings of Spring Meeting and 27th Conference, The Korean Institute of Resources recycling, 18-19th May 2006, In-chon University, Inchon, S. Korea, pp. 78-85.
  109. Jae-chun Lee, Z. Tun, Manis Kumar Jha, 2006.  Solvent extraction of Cu(I) from chloride solution with TBP in 1-octanol. In: Proceedings of Conference, The Korean Society for Geosystem Engineering, 14-15th Nov. 2006, Kangwonland, Kangwon, S. Korea, pp. 301-306.
  110. Manis Kumar Jha, Rewati Raman Upadhyay, Jae-chun Lee, Vinay Kumar, 2006. Recycling of zinc from textile effluent using ion-exchange process. In: Proceedings of Fall Meeting and 28th Conference, The Korean Institute of Resources Recycling, 16-17th Nov. 2006, Hoseu University, S. Korea, pp. 67-71.
  111. Rakesh Kumar, T.C. Alex, Manis Kumar Jha, Z.H. Khan, S.P. Mahaptra, C.R. Mishra, 2004. Mechnochemistry and the bayer process of alumina production, Light Metals, TMS-Annual Meet-2004 at Charlotte, NC, USA. pp.31-34.

Talk (National and International):

  1. Manis Kumar Jha, Archana Kumari, Rekha Panda, Pankaj Kumar Choubey, Rajesh Gupta, 2020. Recycling of EV Li-ion waste batteries to reclaim valuable metals/ materials. In: National Symposium on “Opportunities and Challenges in Materials for Energy Generation and Storage for Electric Vehicles” in Pune from 03/01/2020 to 04/01/2020.
  2. Manis Kumar Jha,2019. E-waste: Status, Prospects and Contribution of CSIR-NML, India. In: BCSIR Congress 2019 in Dhaka, Bangladesh from 12/12/2019 to 14/12/2019.
  3. Manis Kumar Jha, 2019. Developed processes for the recovery of rare earth metals (REMs) from primary and secondary resources at CSIR-NML, India. In: STAR 2019 in Mumbai from 05/12/2019 to 07/12/2019.
  4. Archana Kumari, Manis Kumar Jha, Devendra Deo Pathak, 2019. Improved process to dephosphorize monazite to recover rare earth metals (REMs) as value added product. In: STAR 2019 in Mumbai from 05/12/2019 to 07/12/2019.
  5. Rukshana Parween, Archana Kumari, Sanchita Chakravarty, Manis Kumar Jha, 2019. Indian coal ash a potential alternative resources to recover rare earth metals (REMs) using hydrometallurgical techniques, India. In: STAR 2019 in Mumbai from 05/12/2019 to 07/12/2019.
  6. Pankaj Kumar Choubey, Devendra Deo Pathak, Manis Kumar Jha, 2019. Overview on recycling of energy-storage element Lithium from spent lithium-ion batteries (LIBs). In: Advancement MMT 2019 in Bhubaneswar on 30/10/2019.
  7. Sweta Verma, Archana Kumari, Pankaj Kumar Choubey, Om Shankar Dinkar, Manis Kumar Jha, 2019. Process for the recycling of germanium (Ge) from secondary sources. In: Advancement MMT 2019 in Bhubaneswar on 30/10/2019.
  8. Pankaj Kumar Choubey, Archana Kumari, Rina Sahu, Devendra Deo Pathak, Manis Kumar Jha, 2019. Overview on recycling of discarded Lithium ion batteries (LIBs). In: Advancement in Materials Processing Technology (AMPT 2019) in Jamshedpur from 30/08/2019 to 31/08/2019.
  9. Om Shankar Dinkar, Rekha Panda, Pankaj Kumar Choubey, Rina Sahu, Devendra Deo  Pathak, Manis Kumar Jha, 2019. Recovery of gold from e-waste and related effluents. In: Advancement in Materials Processing Technology (AMPT 2019) in Jamshedpur from 30/08/2019 to 31/08/2019.
  10. Sweta Verma, Archana Kumari, Jhumki Hait, Manis Kumar Jha, 2019. Recovery of strategic metal germanium (Ge) using hydrometallurgical techniques. In: Advancement in Materials Processing Technology (AMPT 2019) in Jamshedpur from 30/08/2019 to 31/08/2019.
  11. Rekha Panda, Shiva Dandiya, Pankaj Kumar Choubey, Devendra Deo Pathak, Manis Kumar Jha,2019. Recovery of silver from the computer keyboards: An alternative resource. In: Advancement in Materials Processing Technology (AMPT 2019) in Jamshedpur from 30/08/2019 to 31/08/2019.
  12. Manis Kumar Jha, 2019. Processes for recycling of e-waste developed at CSIR-NML, India. In: India E-waste Conference in Bangalore from 27/02/2019 to 03/03/2019.
  13. Manis Kumar Jha, 2018. Exploration of the utilization of E-waste for valuable metal recovery. In: 7th Bihar Science Conference 2018 in Patna from 04/12/2018 to 06/12/2018.
  14. Rekha Panda, Manis Kumar Jha, Devendra Deo Pathak,2018. Hydrometallurgical processing of E-waste to recover precious metals. In: 7th Bihar Science Conference 2018 in Patna from 04/12/2018 to 06/12/2018.
  15. Archana Kumari, Manis Kumar Jha, Devendra Deo Pathak, D.D., 2018. Rare earth metals recovery from waste material. In: 7th Bihar Science Conference 2018 in Patna from 04/12/2018 to 06/12/2018.
  16. Manis Kumar Jha,2018. Commercial processes developed at CSIR-NML for electronic waste (e-waste) recycling. In: International Conference on Environmental Challenges and Sustainability in Ranchi from 31/10/2018 to 02/11/2018.
  17. Rekha Panda, Manis Kumar Jha, Devendra Deo Pathak, 2018. Recovery of precious metals from alternative resources. In: International Conference on Environmental Challenges and Sustainability in Ranchi from 31/10/2018 to 02/11/2018.
  18. Rekha Panda, Manis Kumar Jha, Devendra Deo Pathak, 2018. Recovery of gold from industrial effluent using adsorption technique. In: International Conference on Environmental Challenges and Sustainability in Ranchi from 31/10/2018 to 02/11/2018.
  19. Archana Kumari, Manis Kumar Jha, Devendra Deo Pathak, 2018. Sustainable environmental processes for rare earth metals (REMs) recovery from various resources: Indian context. In: International Conference on Environmental Challenges and Sustainability in Ranchi from 31/10/2018 to 02/11/2018.
  20. Archana Kumari, Manis Kumar Jha, Devendra Deo Pathak, D.D., 2018. Environmental friendly sustainable processes to recover rare earth metals (REMs) from secondary resources. In: International Conference on Environmental Challenges and Sustainability in Ranchi from 31/10/2018 to 02/11/2018.
  21. Rekha Panda, Devendra Deo Pathak, Manis Kumar Jha, 2018. Process flow-sheet for the recovery of precious metals from e-waste. In: International Seminar on Mineral Processing Technology (MPT 2018) in Dhanbad from 10/10/2018 to 12/10/2018.
  22. Rekha Panda, Devendra Deo Pathak, Manis Kumar Jha, 2018. Studies for the recovery of precious metals from e-waste. In: International Seminar on Mineral Processing Technology (MPT 2018) in Dhanbad from 10/10/2018 to 12/10/2018.
  23. Archana Kumari, Devendra Deo Pathak, Manis Kumar Jha, 2018. Hydrometallurgical process for the extraction of rare earth metals (REMs) from diluted aqueous solution. In: International Seminar on Mineral Processing Technology (MPT 2018) in Dhanbad from 10/10/2018 to 12/10/2018.
  24. Archana Kumari, Rukshana Parween, Sanchita Chakravarty, Kavita Parmar, Devendra Deo Pathak, Manis Kumar Jha, 2018. Extraction of rare earth metals (REMs) from coal and coal ash. In: International Seminar on Mineral Processing Technology (MPT 2018) in Dhanbad from 10/10/2018 to 12/10/2018.
  25. Manis Kumar Jha, 2018. E-waste recycling practices and prospects. In: Seminar of Special Lectures in Jamshedpur on 15/04/2018.
  26. Archana Kumari, Manis Kumar Jha, Devendra DeoPathak, 2016. Recovery of rare earth metal as a value-added product from scrap hard disc of personal computers. In: 7th Conference of the Indian Science Congress Association (Haridwar Chapter) on Science and Technology for National Development from 20/11/2016 to 22/11/2016.
  27. Rekha Panda, Manis Kumar Jha, Dong Eun Kim, Sushanta Kumar Sahu, Kyoungkeun Yoo, 2016. Hydrometallurgical reclamation of copper (Cu) from industrial convertor slag. In: 7th Conference of the Indian Science Congress Association (Haridwar Chapter) on Science and Technology for National Development from 20/11/2016 to 22/11/2016.
  28. Deblina Dutta, Sudha Goel, Manis Kumar Jha, 2016. Recovery of Copper (Cu), Iron (Fe) and Lead (Pb) from printed circuit boards (PCBs) of obsolete computers. In: 7th Conference of the Indian Science Congress Association (Haridwar Chapter) on Science and Technology for National Development from 20/11/2016 to 22/11/2016.
  29. Archana Kumari, Devendra Deo Pathak, Manis Kumar Jha, 2016. Hydrometallurgical recovery of rare earth metals from fluorescent tubes. In: 7th Conference of the Indian Science Congress Association (Haridwar Chapter) on Science and Technology for National Development from 20/11/2016 to 22/11/2016.
  30. Rekha Panda, Manis Kumar Jha, Jhumki Hait, J., 2016. Recovery of zinc (Zn) and chromium (Cr) from the electroplating effluent. In: 7th Conference of the Indian Science Congress Association (Haridwar Chapter) on Science and Technology for National Development from 20/11/2016 to 22/11/2016.
  31. Deblina Dutta, Sudha Goel, Manis Kumar Jha, 2016. E-waste: Management and Strategies. In: 7th Conference of the Indian Science Congress Association (Haridwar Chapter) on Science and Technology for National Development from 20/11/2016 to 22/11/2016.
  32. Manis Kumar Jha,2016. Processing of lithium ion batteries to recover cobalt as a valuable product. In: Hydrometallurgy Conference 2016 “Sustainable Hydrometallurgical Extraction of Metals” Cape Town, South Africa from 31/07/2016 to 03/08/2016.
  33. Anjan Kumari, Manis Kumar Jha, Jhumki Hait, Sushanta Kumar Sahu, Rajendra Prasad Singh, 2015. Recovery of metals from pyrolysed PCBs by pressure leaching. In: Workshop on Modern Methods of Chemical Analysis (MMCA 2015).
  34. Archana Kumari, Manis Kumar Jha, Sushanta Kumar Sahu, Jhumki Hait, 2015. Recovery of metals from e-waste: processes developed at CSIR-NML, India. In: Workshop on Modern Methods of Chemical Analysis (MMCA 2015).
  35. Rekha Panda, Jhumki Hait, Sushanta Kumar Sahu, Manis Kumar Jha, 2015. Recovery of zinc and chromium from the industrial effluent. In: Workshop on Modern Methods of Chemical Analysis (MMCA 2015).
  36. Swati Pramanik, Manish Kumar Sinha, Manis Kumar Jha, Sushanta Kumar Sahu, 2015. Utilization of phosphor powder of waste fluorescent lamps for the recovery of rare earth oxide. In: Workshop on Modern Methods of Chemical Analysis (MMCA 2015).
  37. Manis Kumar Jha, 2015. Developed process for the recovery of metals from E-waste at CSIR-NML, India. In: Critical Metal Symposium in Sendai, Japan from 28/10/2015 to 30/10/2015.
  38. Anjan Kumari, Manis Kumar Jha, Jhumki  Hait, Vinay Kumar, Rajendra Prasad Singh, 2015. Novel process for the recovery of copper from poly-cracker ash of PCBs. In: International conference on Processing of lean grade ores (IC-LGO 2015) from 20/01/2015 to 22/01/2015.
  39. Archana Kumari, Manis Kumar Jha, Jhumki Hait, Sushanta Kumar Sahu, Jyothi Rajesh Kumar, Jin Young Lee, 2015. Effect of acid and alkaline leaching on removal of phosphate present in rare earth minerals. In: International conference on Processing of lean grade ores (IC-LGO 2015) from 20/01/2015 to 22/01/2015.
  40. Rekha Panda, Manis Kumar Jha, Jhumki Hait, Girendra Kumar, Ram Janam Singh, 2015. Extraction of lanthanum and neodymium from leach liquor containing rare earth metals (REMs). In: International conference on Processing of lean grade ores (IC-LGO 2015) from 20/01/2015 to 22/01/2015.
  41. Divika Gupta, Manis Kumar Jha, Vinayachal Kishore Jha, 2015. Recovery of cobalt from waste Li-ion mobile phone batteries of Delhi municipality. In: International conference on Processing of lean grade ores (IC-LGO 2015) from 20/01/2015 to 22/01/2015.
  42. Archana Kumari, Manis Kumar Jha, Jhumki Hait, Sushanta Kumar Sahu, Vinay Kumar, 2013. Processing of Korean monazite concentrate for the recovery of rare earth metals (REMs). In: Workshop on Modern Methods of Chemical Analysis (MMCA 2013) from 20/11/2013 to 22/11/2013.
  43. Rekha Panda, Manis Kumar Jha, Vinod Kumar, Vinay Kumar, 2013. Hydrometallurgical reclamation of precious metals from waste printed circuit boards (PCBs). In: Workshop on Modern Methods of Chemical Analysis (MMCA 2013) from 20/11/2013 to 22/11/2013.
  44. Divika Gupta, Manis Kumar Jha, Vinod Kumar, Vinay Kumar, 2013 Process for the recovery of rare and rare earth metals at CSIR-NML. In: Workshop on Modern Methods of Chemical Analysis (MMCA 2013) from 20/11/2013 to 22/11/2013.
  45. Anjan Kumari, Rajendra Prasad Singh, Manis Kumar Jha, Vinod Kumar, 2013. Extraction of copper from small electronic devices populated on discarded PCBs. In: Workshop on Modern Methods of Chemical Analysis (MMCA 2013) from 20/11/2013 to 22/11/2013.
  46. Pankaj Kumar Choubey, Manis Kumar Jha, Vinay Kumar, 2013. Role of solvent extraction for the treatment of acidic effluent. In: Workshop on Modern Methods of Chemical Analysis (MMCA 2013) from 20/11/2013 to 22/11/2013.
  47. Amrita Kumari Jha, Manis Kumar Jha, Vinay Kumar, Rina Sahu, 2013. E-waste: an alternative resource for extraction of rare earth metals (REMs). In: Workshop on Modern Methods of Chemical Analysis (MMCA 2013) from 20/11/2013 to 22/11/2013.
  48. Vinod Kumar, Archana Kumari, Manis Kumar Jha, Ari Vidyadhar, Jae-chun Lee, Vinay Kumar, 2013. Enrichment of valuable and rare metals in the metallic concentrate from printed circuit boards (PCBs) by physical beneficiation and hydrometallurgical techniques. In: NMD-ATM 2013, 12-15th November, 2013, Varanasi.
  49. Amrita Kumari Jha, Manis Kumar Jha, Vinay Kumar, Ari Vidyadhar, Neha Kumari, Jhumki  Hait, Vinod Kumar, 2013. Electronic waste recycling in India and development of eco-friendly processes at CSIR-NML. 26th National Convention and National Seminar LGO-2013 from 22/01/2013 to 23/01/2013.
  50. Pankaj Kumar Choubey, Anjan Kumari, Vinod Kumar, Manis Kumar Jha, Ratnakar Singh, Vinay Kumar, Ari Vidyadhar, B.K. Soni, 2013. Physical and hydrometallurgical beneficiation of polycracker ash to enrich the metal concentrate. 26th National Convention and National Seminar LGO-2013 from 22/01/2013 to 23/01/2013.
  51. Rekha Panda, Archana Kumari, Manis Kumar Jha, Sushanta Kumar Sahu, Jhumki Hait, Vinay Kumar, 2013. Leaching of rare earth metals from Korean monazite using hydrochloric acid. 26th National Convention and National Seminar LGO-2013 from 22/01/2013 to 23/01/2013.
  52. Archana Kumari, Manis Kumar Jha, Sushanta Kumar Sahu, Jhumki Hait, Vinay Kumar, 2013. Dephosphorization of Korean monazite using alkaline leaching and soda roasting for the recovery of rare earth metals (REMs). 26th National Convention and National Seminar, LGO-2013.
  53. Pankaj Kumar Choubey, Manis Kumar Jha, Vinay Kumar, Jinki Jeong, Jae-chun Lee, 2013. A complete process flow sheet for the recovery of Copper and Nickel from waste PCBs. 26th National Convention and National Seminar LGO-2013 from 22/01/2013 to 23/01/2013.
  54. Divika Gupta, Amrita Kumari Jha, Manis Kumar Jha, Vinay Kumar, 2013. Extraction and separation of cobalt and lithium as valuable products from spent mobile phone batteries. 26th National Convention and National Seminar LGO-2013 from 22/01/2013 to 23/01/2013.
  55. Yasho Vardhan, Ram Janam Singh, Manis Kumar Jha, Shashank Chandrayan, Rajesh Prasad, R., 2013. Recovery of Cu, Fe and Pb from leach liquor of crushed printed circuit boards using hydrometallurgical processes. 26th National Convention and National Seminar LGO-2013 from 22/01/2013 to 23/01/2013.
  56. Shashank Chandrayan, Ram Janam Singh, Yasho Vardhan, Rajesh Prasad, Manis Kumar Jha, Vinay Kumar, 2013. Leaching of metals present in the printed circuit boards (PCBs) of obsolete computers. 26th National Convention and National Seminar LGO-2013 from 22/01/2013 to 23/01/2013.
  57. Anjan Kumari, Manis Kumar Jha, Vinay Kumar, Sushanta Kumar Sahu, Jhumki Hait, 2013. Thermal treatment of Korean monazite for dephosphorization by TG/DTA method. 26th National Convention and National Seminar LGO-2013 from 22/01/2013 to 23/01/2013.
  58. Archana Kumari, Manis Kumar Jha, Sushanta Kumar Sahu, Jhumki Hait, Vinay Kumar, Jyothi Rajesh Kumar, Jin Young Lee, 2012. Recovery of rare earth metal from Korean monazite using alkaline roasting and acid leaching. In: International Symposium on: Converting challenges into opportunities: Iron and steel, 66th Annual technical Meeting of the Indian Institute of Metals, (NMD-ATM 2012), 16-19th November, 2012, Jamshedpur.
  59. Manish Kumar Sinha, Manis Kumar Jha, Vinay Kumar, Banshi Dhar Pandey, Jinki Jeong, Jae-chun Lee, 2012. Recovery of copper and nickel from the sulphate leach liquor of waste PCBs. In: International Symposium on: Converting challenges into opportunities: Iron and steel, 66th Annual technical Meeting of the Indian Institute of Metals, (NMD-ATM 2012), 16-19th November, 2012, Jamshedpur.
  60. Pankaj Kumar Choubey, Manis Kumar Jha, Vinay Kumar, Jinki Jeong, Jae-chun Lee, 2012. Extraction and separation of copper, zinc, cadmium and nickel from sulfate solution. In: International Symposium on: Converting challenges into opportunities: Iron and steel, 66th Annual technical Meeting of the Indian Institute of Metals, (NMD-ATM 2012), 16-19th November, 2012, Jamshedpur.
  61. Divika Gupta, Amrita Kumari Jha, Manis Kumar Jha, Vinay Kumar, 2012. Recovery of cobalt and lithium as value added products from discarded batteries. In: International Symposium on: Converting challenges into opportunities: Iron and steel, 66th Annual technical Meeting of the Indian Institute of Metals, (NMD-ATM 2012), 16-19th November, 2012, Jamshedpur.
  62. Ritika Sadanand Joshi, Pankaj Kumar Choubey, Manis Kumar Jha, Vinay Kumar, Jinki Jeong, Jae-chun Lee, 2012. Extraction and recovery of nitric acid and copper from leach liquor of waste PCBs. In: International Symposium on: Converting challenges into opportunities: Iron and steel, 66th Annual technical Meeting of the Indian Institute of Metals, (NMD-ATM 2012), 16-19th November, 2012, Jamshedpur.
  63. Rekha Panda, Archana Kumari, Jhumki Hait, Sushanta Kumar Sahu, Manis Kumar Jha, Vinay Kumar, Jyothi Rajesh Kumar, Jin Young Lee, 2012. Leaching of Korean monazite for the recovery of rare earth metals. In: International Symposium on: Converting challenges into opportunities: Iron and steel, 66th Annual technical Meeting of the Indian Institute of Metals, (NMD-ATM 2012), 16-19th November, 2012, Jamshedpur.
  64. Amrita Kumari Jha, Manis Kumar Jha, Vinay Kumar, Jinki Jeong, Jae-chun Lee, 2012. Review on e-waste recycling scenario and development of eco-friendly processes at CSIR-NML. In: International Symposium on: Converting challenges into opportunities: Iron and steel, 66th Annual technical Meeting of the Indian Institute of Metals, (NMD-ATM 2012), 16-19th November, 2012, Jamshedpur.
  65. Anjan Kumari, Manis Kumar Jha, Sushanta Kumar Sahu, Jhumki Hait, Vinay Kumar, Jyothi Rajesh Kumar, Jin Young Lee, 2012. TG/DTA studies of the mixture of Korean monazite and sodium carbonate to get optimum condition for phosphate decomposition. In: International Symposium on: Converting challenges into opportunities: Iron and steel, 66th Annual technical Meeting of the Indian Institute of Metals, (NMD-ATM 2012), 16-19th November, 2012, Jamshedpur.
  66. Vinod Kumar, Manis Kumar Jha, Jae-chun Lee, Jinki Jeong, Ari Vidyadhar, Mamta Sharma, Ratnakar Singh, 2012. Current status and future prospect for the recycling of valuable metals from e-waste using physical beneficiation techniques. In: International Symposium on: Converting challenges into opportunities: Iron and steel, 66th Annual technical Meeting of the Indian Institute of Metals, (NMD-ATM 2012), 16-19th November, 2012, Jamshedpur.
  67. Manis Kumar Jha, Jinki Jeong, Jae-chun Lee, Min-seuk Kim, Byung-Su Kim, 2008. Recovery of copper from printed circuit boards (PCBs) scraps by mechanical pre-treatment and hydrometallurgical routes. In proceedings of TMS-2008, Symposium: Recycling, Session: Electronics recycling, 9 -13th March 2008, New Orleans, Louisiana, USA.
  68. Nghiem Van Nghiem, Jae-chun Lee, Manis Kumar Jha, Jae-Min Yoo, Kyoungkeun Yoo, Taek-Sung Hwang, 2008. Adsorption of copper from the effluents of electronic industry using the cation exchange resin Amberlite IR-120 (Na). In proceedings of TMS-2008, Symposium: Recycling, Session: Electronics recycling, 9 -13th March 2008, New Orleans, Louisiana, USA.
  69. Jae-chun Lee, Z. Tun, Manis Kumar Jha, Kyoungkeun Yoo, 2007. Solvent extraction of Cu(I) from chloride solution using TBP diluted in 1-octanol, In: Proceedings of Conference, Bio-hydrometallurgy-2007, Falmouth Beach Resort Hotel, Falmouth, UK, May 1-2, 2007.
  70. Eun-young Kim, Min-seuk Kim, Jae-chun Lee, Kyoungkeun Yoo, Jinki Jeong, Manis Kumar Jha, 2007. Behavior of electrochemical reactions at anode during leaching of copper using electro-generated chlorine, In: Proceedings of Conference, Bio-hydrometallurgy-2007, Falmouth Beach Resort Hotel, Falmouth, UK, May 1-2, 2007.