DESCRIPTION :
Dr. Kali Sanjay is having
twenty eight years of experience in the field of extractive metallurgy,
specifically in process flow-sheet development to recover non-ferrous metals
from low-grade ores/secondaries, design and scale-up of hydrometallurgical
plants, solid waste remediation, utilization of industrial effluents and
computational fluid dynamics. Additionally, he has been working as Professor,
Faculty of Engineering Sciences at CSIR-IMMT, Bhubaneswar for Academy of
Scientific and Innovative Research (AcSIR) since 2011, teaching a postgraduate
course on ‘Recycling of Material Resources’ and supervising M.Tech/Ph.D thesis
works. Dr. Sanjay has been associated with 56 projects as a project leader,
coordinator, or as activity in-charge, carried successfully liasioning with
external agencies, project planning, and implementation. At present, he is
leading projects on strategic, industrial, government, and CSIR projects at
CSIR-IMMT, Bhubaneswar with a budget of above Rs 50 crores for a period of
three years.
Design and scale-up of hydrometallurgical unit operations
Process flow-sheet development to recover non-ferrous metals from low-grade ores/secondaries.
Solid wastes and effluents processing / electroremediation / electrowashing / salt-splitting.
AWARDS & HONOURS :Books
/ Book chapters
‘Polymetallic Nodules’;
Proceedings of National Seminar on Polymetallic Nodules, Editors : Shashi Anand
and Kali Sanjay, 2005.
Book chapter on ‘Aqueous
Electrodeposition of Non-Ferrous Metals’, Tondepu Subbaiah and Kali Sanjay in
‘Electrodeposition: Properties, Processes and Applications’, Nova Science
Publishers, Inc. ISBN-10: 1614708266 & ISBN-13: 978-1614708261, 2011.
Book chapter on ‘Arsenic
Removal from Industrial Effluents through Ferric Arsenate Precipitation’ in
‘Environmental Science and Engineering, Vol. 4: Water Pollution & Waste
Water Treatment’, Barsha Dash,
Geetanjali Mishra, Kali Sanjay and Tondepu Subbaiah, Pages 354-363, Editor of
Volume Dr. J C Singhal, Chief Editor Dr. Bhola R Gurjar, Executive Editor Dr.
J.N. Govil, Publisher Studium Press LLC, USA, ISBN of Series 1-62699-088-3,
ISBN OF Volume 1-62699-092-,2017.
Papers
1. Facile
synthesis, characterization and application of magnetic Fe3O4-coir
pith composites for the removal of methyl violet from aqueous solution:
Kinetics, isotherm, thermodynamics and parametric optimization. Sanjay Sarkar, Nitika Tiwari, Meerambika Behera, Sankha Chakrabortty,
Kavya Jhingran, Kali Sanjay, Shirsendu Banerjee,
Suraj K. Tripathy, Journal of the
Indian Chemical Society 99.5, 100447,2002.
2. Reclamation
of tungsten from spent HDS catalyst: a detailed study, Mahalik, Surjeet, A. R.
Sheik, Barsha Dash, C. K. Sarangi, and K.
Sanjay, Indian Chemical Engineer 1-14,
2022.
3. Ionic
mass transfer at point electrodes located at cathode support plate in an
electrorefining cell in presence of rectangular turbulent promoters, Subbaiah,
T., P. Vijetha, B. Marandi, K. Sanjay, and M. Minakshi., Sustainability 14, no. 2 ,Art-880,
2022
4. Recovery
of Lead as Lead Sulphide from Anode Slime Using Hydrometallurgical Technique,
Mishra, G., B. Dash, A. R. Sheik, C. K. Sarangi, P. Vijetha, K. Sanjay, M. K. Ghosh, and T.
Subbaiah., Journal of The
Institution of Engineers (India): Series D 102, no. 2 489-494, 2021.
5. Citric
acid mediated leaching kinetics study and comprehensive investigation on
extraction of vanadium (V) from the spent catalyst, Mohanty, C., S. S. Behera,
B. Marandi, S. K. Tripathy, P. K. Parhi, and K. Sanjay, Separation
and Purification Technology 276, 119377, 2021.
6. Sorptive removal of malachite green
from aqueous solution by magnetite/coir pith supported sodium alginate beads:
Kinetics, isotherms, thermodynamics and parametric optimization,
Sanjay Sarkar, Nitika Tiwari, Aradhana Basu, Meerambika Behera, Bhaskar Das,
Sankha Chakrabortty, Kali Sanjay,
Mrutyunjay Suar, Tapan Kumar Adhya, Shirsendu Banerjee, Suraj K Tripathy, Environmental Technology & Innovation, Volume
24, 101818, 2021
7. Manganese
enrichment of polymetallic oceanic nodules via selective leaching process for
energy storage applications, Priyanka Mukherjee, Sushree Pattnaik, Kali Sanjay, Mamata Mohapatra, Journal of Chemical Technology &
Biotechnology, Vol 96(5), 1246-1257, 2021
8. Synthesis
of iron molybdate from molybdenum spent catalyst and evaluation of its
electrochemical properties, Rasmita Barik, Priyanka Mukherjee, Kishor Kumar
Sahu, Kali Sanjay, Malay Kumar
Ghosh, Mamata Mohapatra, Environmental
Progress & Sustainable Energy, Vol 40 (3), 13560, 2021
9. An anionic and cationic
surfactant-assisted hydrothermal synthesis of cobalt oxide nanoparticles as the
active electrode material for supercapacitors,
RR Samal, Aneeya K Samantara, S Mahalik, JN Behera, B Dash, K Sanjay, New Journal of Chemistry, Vol 45 (5), 2795-2803, 2021
10. Solvent
Extraction of Copper Enhanced by Mixing Cavities in Micromixer, Abdul Rauf Sheik, Amol A Kulkarni, Kali Sanjay, Solvent Extraction Research and Development,
Japan, Vol 28 (1), 37-47, 2021
11. Unravelling
for 1st time electrochemical sensing of As (III) by 3D cavitized kagome type
lattice, Priyanka Mukherjee, Benjamin Raj, Arun Kumar Padhy, Kali Sanjay, Suddhasatwa Basu, Mamata
Mohapatra, Journal of Electroanalytical
Chemistry, Volume 877, 114725, 15 November 2020.
12. Leaching
of Rare Earth Elements from the Residue Generated by the Lixiviation of Waste
Phosphor with Sulphuric Acid, A Anand, R Singh, J Samantray, MK Ghosh, K Sanjay, Transactions of the Indian Institute of Metals,1-11, 2020
13. A
pyro-hydrometallurgical process for the recovery of alumina from waste
aluminium dross, A K Tripathy, S Mahalik, C K Sarangi, B C Tripathy, K Sanjay, IN Bhattacharya, Minerals Engineering, Vol 137, 181-186, 2019.
14. Sodium
fluoride assisted acid leaching of coal fly ash for the extraction of alumina,
AK Tripathy, B Behera, V Aishvarya, A R Sheik, B Dash, C K Sarangi, B C
Tripathy, K Sanjay, I N
Bhattacharya, Minerals Engineering,
Vol 131, 140-145, 2019.
15. Raman
analysis of the formation of dithionate during copper electrowinning, Tondepu
Subbaiah, Chinmaya Kumar Sarangi, Kali
Sanjay, Manickam Minakshi Sundaram, World
of Metallurgy – ERZMETALL, Vol. 71, Issue. 2, 92-98, 2019.
16. Leaching and Preparation of Co-Mo Sulfide/Oxide Nanoparticles from Spent Catalyst, Mamata Mohapatra, Suchismita Sahu, Rasmita Barik, Eliza Padhan, Priyanka Mukherjee, Mahasweta Moharana, Alfara A. Baba, Kali Sanjay, JOM, Vol. 70, No. 10, 1-7, 2018.
17. Factorial
design for process optimization and generation of kinetic data for yttrium and
europium leaching, Amit Anand, Randhir Singh, Malay Kumar Ghosh, Kali Sanjay, Mineral Processing and Extractive Metallurgy, 1-9, 2018.
18. Recovery
of dimethylglyoxime (DMG) from Ni-DMG complexes, Meenakshi Rath, Laxmi Priya
Behera, Barsha Dash, Abdul Rauf Sheik, Kali
Sanjay, Hydrometallurgy, Vol 176,
229–234, 2018.
19. Influence of synthesis
temperature on the growth and surface morphology of Co3O4 Nanocubes for supercapacitor applications, Rashmirekha
Samal, Barsha Dash, Chinmaya Kumar Sarangi, Kali Sanjay, Tondepu Subbaiah, Gamini Senanayake, Manickam
Minakshi, Nanomaterials, Vol 7(11),
356, 2017.
20. Electrochemical
fencing of Cr (VI) from industrial wastes to mitigate ground water
contamination, N Shukla, MK Harbola, K
Sanjay, R Shekhar, Transactions of
the Indian Institute of Metals, Vol 70 (2), 511-518, 2017.
21. Branched
Platinum Nanostructures on Reduced Graphene: An excellent Transducer for
Nonenzymatic Sensing of Hydrogen Peroxide and Biosensing of Xanthine, Tapan
Kumar Behera, Subash Chandra Sahu, Biswarup Satpati, Bamaprasad Bag, Kali Sanjay, Bikash Kumar Jena, Electrochimica
Acta, Vol 206, 238–245, 2016.
22. Processing Nigerian
pyrolusite ore, Part I: Characterization and dissolution kinetics analysis, A. A. Baba, L. Ibrahim, R. B. Bale, A. G.
F. Alabi, F. A. Adekola, M. K. Ghosh, K.
Sanjay, and A. R. Sheik, Canadian
Institute of Mining, Metallurgy and Petroleum Journal, Vol 7(1), 43-51,
2016.
23. Micellar
mediated selective leaching of manganese nodule in high temperature sulfuric
acid medium, R. Barik, K. Sanjay,
B.K. Mishra, M. Mohapatra, Hydrometallurgy,
Vol 165(1), 44–50, 2016.
24. Reactor
and column leaching studies for extraction of copper from two low grade
resources: A comparative study, Sandeep Panda, Geetanjali Mishra, Chinmaya
Kumar Sarangi, Kali Sanjay, Tondepu
Subbaiah, Subir Kumar Das, Kadambini Sarangi, Malay Kumar Ghosh, Nilotpala
Pradhan, Barada Kanta Mishra, Hydrometallurgy,
Vol 165(1), 111–117, 2016.
25. Electrolytic
manganese dioxide (EMD): a perspective on worldwide production, reserves and
its role in electrochemistry, Avijit Biswal, Bankim Chandra Tripathy, Kali Sanjay, Tondepu Subbaiah and
Manickam Minakshi, RSC Adv., 5,
58255–58283, 2015.
26. Aluminium
recovery from NALCO fly ash by acid digestion in the presence of fluoride ion, A.K. Tripathy,C.K. Sarangi, B.C. Tripathy, K. Sanjay, I.N. Bhattacharya, B.K. Mahapatra, P.K. Behera, B.K. Satpathy, International
Journal of Mineral Processing, Vol
138, 44–48, 10 May
2015.
27. Recovery
of Co metal and Electrolytic Manganese Dioxide (EMD) from Co–Mn sludge, A. Biswal, S. Mahakud, Sandhyarani Bhuyan,
B. Dash, C.K. Sarangi, Kali Sanjay,
B.C. Tripathy, T. Subbaiah, I.N.
Bhattacharya, Sung-Ho Joo, Shun Myung Shin, K.H. Park, Hydrometallurgy, Vol 152, 159–168, 2015.
28. Ligand
mediated eco-friendly leaching of zinc from spent catalyst in alkaline media,
M. Mohapatra, Banaja Nayak, K. Sanjay,
T. Subbaiah, B.K. Mishra, Journal of Industrial and Engineering Chemistry,
Vol 20, Issue 4, 2217–2223, 2014.
29. Electro-crystallization
of Antimony from Acidic and Alkaline Baths in Diaphragm-less Cell, Chinmaya
Kumar Sarangi, Ayonbala Baral, Jayasmita Panigrahi, Kali Sanjay, Tondepu Subbaiah, Barada Kanta Mishra, Advanced Materials Research, Vol. 828,
65-72, 2014.
30. Behaviour
of arsenic(III) and antimony(III) during electrowinning of nickel from aqueous
sulphate solutions; R.R. Samal, C.K. Sarangi, B.C. Tripathy, K. Sanjay, I.N. Bhattacharya, T. Subbaiah., Hydrometallurgy, Vol. 139, 39-45,
2013.
31. Aqueous processing of nickel spent catalyst for a value added product; Sheik, A.R., Ghosh, M.K., Sanjay, K., Subbaiah, T., Mishra, B.K., Baba, A.A.; Korean Journal of Chemical Engineering, Vol. 30 (2), 400-404, 2013.
32. Extraction
of Cu and Cr from a spent Cu–Cr catalyst: Recovery enhancement through
mechanical activation; Swaroopa, S., Ghosh, M. K., Sanjay, K. and Mishra, B. K. Hydrometallurgy,
Vol. 136, 8–14, 2013.
33. Extraction
of Ni (II) from Spent Hydrodesulfurization HDS Catalyst Through Leaching and Electroless
Precipitation of Ni(OH)2., Pradhan, S.R., Dash, B., Sanjay, K., Subbaiah, T. Metallurgical
and Materials Transactions B: Process Metallurgy and Materials Processing
Science, Vol. 44(2), 469-476, 2013.
34. Dissolution
kinetics of nickel from spent catalyst in nitric acid medium. Sheik, A.R.,
Ghosh, M.K., Sanjay, K., Subbaiah,
T., Mishra, B.K. Journal of the Taiwan
Institute of Chemical Engineers, Vol. 44, Issue 1, 34-39, 2013.
35. Influence
of the microstructure and its stability on the electrochemical properties of
EMD produced from a range of precursors, A Biswal, BC Tripathy, K Sanjay, D Meyrick, T Subbaiah, M
Minakshi, Journal of Solid State
Electrochemistry 17 (12), 3191-3198, 2013.
36. Influence
of alternative alkali reagents on Fe removal during recovery of Mn as
Electrolytic Manganese Dioxide (EMD) from Mn sludge, Avijit Biswal, Barsha
Dash, BC Tripathy, T Subbaiah, Shun Myung Shin, Kali Sanjay, BK Mishra, Hydrometallurgy
140, 151-162, 2013.
37. Insights
into heap bioleaching of low grade chalcopyrite ores — A pilot scale study., S.
Panda, K. Sanjay, L.B. Sukla, N.
Pradhan, T. Subbaiah, B.K. Mishra, M.S.R. Prasad, S.K. Ray., Hydrometallurgy., Vol. 125-126.,
157-165, 2012.
38. Electrokinetic cleaning of industrial residues; Sanjay, K., Shekhar, R.; Transactions of the Institutions of Mining and Metallurgy, Section C: Mineral Processing and Extractive Metallurgy, Vol 121 (2), 117-120, 2012.
39. Electroosmotic pump: Rate controlling mechanism for unusually fast electroremediation kinetics of Cr(VI) in basic Kanpur soil; Sanjay Kali, R.P. Das, Rajiv Shekhar; Electrochimica Acta, Vol 86, 80-88, 2012.
PATENTS :International
A process for extraction
of nickel from low-grade chromite ore (International Patent Numbers: European
Patent (EP1697549 B1); Australian Patent (AU 2002348824 B2); Indian patent
(234452 (0483/DEL/2003)).
An electrochemical system
and process for the reduction of nitric acid concentration using electrolytic
cell (Patent File No. 3198/DEL/2012; US 20150291451 A1; WO 2014057505 A4).
Hydrometallurgical
process for the recovery of tellurium from high lead-bearing copper refinery
anode slime. (Paten File No: 2459DEL2013; US Patent App. US20150053572 A1).
Indian
A process for production
of crystalline boehmite by precipitating from supersaturated sodium aluminate
liquor under atmospheric conditions at a temperature as low as 500C (Patent No.
267384 Dated 28/07/2015).
An improved process for
the continuous conversion of Fe (III) present in phosphoric acid to Fe(II) by
electrolytic reduction (Patent File
No.0063/DEL/2008).
A pyro-hydrometallurgical
process for the recovery of alumina and calcium silicate from flyash (Patent
File No: 0252NF2015)
1. ‘Technology development (Extractive metallurgy) for Polymetallic nodules (PMN)’ (Project Leader); Ministry of Earth Sciences, Govt. of India.
2. ‘Recovery of Electrolytic Manganese Dioxide (EMD) from Manganese Ore: Process optimization for existing plant at MOIL, alternate process development and Basic Engineering Package preparation’; (Project Leader); Manganese Ore India Ltd. (MOIL), Nagpur.
3. ‘Technology transfer of cobalt manufacture’; (Project Leader); Mishra Dhatu Nigam Limited, (MIDHANI), Hyderabad.
4. ‘Evaluation of suitability of Nano iron/ iron oxide powders for energy and sensor applications’; (Project Leader); National Minerals Development Corporation (NMDC), Hyderabad.
5. ‘Cobalt technology from impure cobalt hydroxide: Process flow sheet development’; (Project Leader); Mishra Dhatu Nigam Limited (MIDHANI), Hyderabad.
6. ‘Technology Development for holistic utilization of Red Mud’ (Project Leader); HINDALCO, NALCO and VEDANTA.
7. ‘Preparation of Basic Engineering Package (BEP) for setting up of pilot plant on use of fly ash/pond ash for production of wear resistant ceramic tiles’; (Co-Project Leader); National Aluminium Company Ltd. (NALCO), Bhubaneswar
8. ‘Optimization of process for the treatment of Spent Pot Lining carbon for the recovery of valuables and bench scale testing’; (Co-Project Leader); National Aluminium Company Ltd. (NALCO), Bhubaneswar
9. ‘Development of process for production of pure and white Alumina Tri Hydrate (ATH) for solid surface application’; (Co-Project Leader); National Aluminium Company Ltd. (NALCO), Bhubaneswar
10. ‘Sedimentation studies, up-scale testing and basic engineering for thickener for treatment of Mn ore fines’; (Co-Project Leader); Manganese Ore India Ltd. (MOIL), Nagpur.
1. ‘Detailed Engineering Design of Solvent Extraction – Electrowinning for extraction of cobalt from super alloy scraps: 200 kg/day capacity’. M/s Rubamin Ltd., Baroda.
2. ‘Modelling of the electrorefining cell in the pyroprocessing demonstration facility’, IGCAR (DAE), Kalpakkam.
3. ‘Development of electrochemical mixer-settler and optimization studies for the recovery of palladium from high-level liquid waste’, IGCAR (DAE), Kalpakkam.
4. ‘Extraction of Tungsten values from Hutti gold mine tailings concentrate and scrap: process flow sheet development, bench scale studies and pilot scale testing’; Defense Metallurgical Research Laboratory (DRDO).
5. ‘Recovery of alumina from Fly ash – modifications and validation of flow sheet’; National Aluminium Company Ltd. (NALCO), Bhubaneswar.
6. ‘Technology development, demonstration and shifting of 1000 cm2 EM cell for splitting of sodium sulphate solution to sodium hydroxide and sulphuric acid’; Heavy Water Board, Mumbai.
7. ‘Electroremediation of soils contaminated with heavy metals / organic pollutants and radio nuclides’, CSIR Taskforce.
8. ‘Waste to wealth through Hydro & Electrometallurgical processing’, CSIR Non-network project.
9. ‘Engineering consultancy work for development of Electrolytic – Membrane process for conversion of effluent sodium sulphate solution to sodium hydroxide and sulphuric acid‘; HWB (DAE), Mumbai.
10. ‘Multifunctional electrodes and electrolytes for futuristic electrochemical technologies’; CSIR XII plan (CSC0101), New Delhi.
11. ‘Feasibility studies to recover Mn metal from low grade Mn ore’; TATA Steel Ltd., Jamshedpur.
12. ‘Process scale-up and feasibility study for improving Mn/Fe ratio of low grade manganese ore’; TATA Steel Ltd., Jamshedpur.
13. ‘Evaluation of design parameters for dewatering of manganese nodules’; National Institute of Ocean Technology (NIOT), Chennai.
14. ‘Recovery of alumina from Fly ash’; CSIR (FTT Project).
15. ‘Nickel Technology ProvingPlant at RRL by GTZ-CSIR-HZL ‘ (10 tpd raw material processing ‘Technology Proving Plant’); German Agency for Technical Collaboration (GTZ), CSIR & HZL.
16. ‘Development of process for extraction of Cu, Ni, Co & Mn from deep sea ocean nodules and testing in pilot scale (Technology Proving Plant in a scale of 500 kg/day nodules) ‘; Ministry of Earth Sciences, New Delhi.
17. ‘Advice on processing of secondary cobalt containing materials‘; M/s Rubamin Ltd, Baroda.
18. ‘Literature survey on electrolytic nickel hydroxide‘; M/s Techno Chemicals, Mumbai.
19. ‘Preparation of engineering package for a 1200 tpa nickel electrowinning plant‘; M/s NICOMET Ind. Ltd., Mumbai.
20. ‘Pressure leaching of Ni-Co sulphides of M/s Nicomet Industries Ltd. ‘; M/s NICOMET Ind. Ltd., Mumbai.
21. ‘Development of a process for recovery of metal values from dust and sludges of Durgapur Steel Plant‘; RDCIS, Ranchi.
22. ‘Preparation of Nickel Hydroxide suitable to Nickel Cadmium and Nickel metal hydride batteries‘; MNES, New Delhi.
23. ‘Solid and liquid waste inventorisation, characterization and disposal plan for the proposed second phase expansion for NALCO production and handling plants. (Smelter at ANGUL) ‘; National Aluminium Company Ltd. (NALCO), Bhubaneswar.
24. ‘Basic study on precipitation of Boehmite‘; National Aluminium Company Ltd. (NALCO), Bhubaneswar.
25. ‘Technical know-how and experimental back up for electrolytic reduction of iron (III) present in phosphoric acid to iron (II) state‘; Heavy Water Board (DAE).
26. ‘Prevention of coal dust at mechanical coal handling plant‘; Paradip Port Trust, Odisha.
27. ‘Recovery of copper and tellurium from secondary raw materials‘; M/s Grishma Special Chemicals, Mumbai.
28. ‘Development and design of diaphragm-less cells for electrolytic acid killing‘; IGCAR (DAE), Kalpakkam.
29. ‘Recovery of copper from copper bearing slag tailings‘; Aditya Birla Copper, Mumbai.
30. ‘Chromite recovery from COB plant tailings and sub grade chromite ore‘; Jindal Stainless Steel, Bhubaneswar.
31. ‘Consultancy assistance for setting up of the 500TPD commercial chromite beneficiation plant and to assist its flotation plant performance evaluation‘; Jindal Stainless Steel, Bhubaneswar.
32. ‘Laboratory scale study on alumina trihydrate productivity using catalyst‘; National Aluminium Company Ltd. (NALCO), Bhubaneswar.
33. ‘Collection characterization and screening of potential micro algae from West Bengal and Odisha coast and pilot scale demonstration of algal oil production‘; Department of Biotechnology, New Delhi.
34. ‘Microbial desulphurization of calcined petroleum coke (Phase I & II) ‘; ALCOA, USA.
35. ‘Laboratory testing of copper oxide ore, Oman; Engineers India Ltd. ‘, New Delhi.
36. ‘Production of manganese sulphate from low grade manganese ore of Gujarat by non-conventional leaching techniques‘; Gujarat Mineral Development Corporation, Gujarat.
37. ‘Globally competitive chemical processes and products‘; CSIR taskforce project.
38. ‘Consultancy for installation and commissioning of a commercial plant to produce 8 tpd of high pure Cu cathode through acid leaching – electrowinning route‘; M/s ASSM General Trading Company, UAE.
39. ‘Recovery of nickel from chromite over burden of Orissa Mining Corporation‘; Orissa Mining Corporation, Bhubaneswar.
40. ‘Detailed Design, Inspection, Testing and Commissioning of Electrolytic Reduction Cell Assembly for TDP at RCF, Trombay‘; Heavy Water Board (DAE), Mumbai.
41. ‘Nickel recovery from refinery electrolyte (Phase-I&II) ‘; Hindalco Industries (Birla copper unit), Dahej.
42. ‘Recovery of tellurium powder from anode slimes‘; Hindalco Industries (Birla copper unit), Dahej.
43. ‘Recovery of lead from anode slimes‘; Hindalco Industries (Birla copper unit), Dahej.
44. ‘Basic engineering process package for recovery of tellurium powder and removal of lead from anode slimes‘; Hindalco Industries (Birla copper unit), Dahej.
45. ‘Metallurgical test work on recovery of Cu from leach residue‘; M/s. Chandra Proteco Ltd., Silvassa, India.
46. ‘Preparation of techno-economic feasibility report for 700 tpd low grade rock phosphate ore beneficiation plant for RSMML, Rajasthan‘; Rajasthan State Mines & Minerals Ltd.,Udaipur, Rajasthan.
47. ‘Recovery of copper from copper bearing slag tailings‘; Aditya Birla copper, Mumbai.
48. ‘Preparation and characterization of EMD suitable for batteries from slurry containing Mn and Co‘; KIGAM, South Korea.
49. Recycling of Lithium ion batteries; Renault Nissan Technology, Chennai.
50. ‘An investigation on recovery of alumina in NALCO fly ash through pyro-hydrometallurgical / bioprocessing methods‘; National Aluminium Company Ltd. (NALCO), Bhubaneswar.
51. ‘Electrochemical process for improving productivity of alumina in Bayer liquor‘; National Aluminium Company Ltd. (NALCO), Bhubaneswar.
52. ‘Recyclability strategy of value added utilization of iron/ manganese ore tailing /low grade ore: evaluation of energy storage capacities‘; Ministry of Mines, Govt. of India.
53. ‘Processing of secondary resources for the production of battery materials‘; CSIR-FTT Project.
54. ‘Manganese nodules slurry characteristics and pumping studies for vertical transport‘; NIOT, Chennai.
55. ‘Multi-helical microfluidic system for integrated extraction- separation of metal ions‘; Department of Science and Technology (DST), Govt. of India.
56. ‘Feasibility of bauxite leaching under high temperature conditions‘; HINDALCO Industries Limited, Belagavi.
TECHNOLOGY COMMERCIALIZED :Splitting of sodium
sulphate bearing effluent through electro-membrane process for the production
of sodium hydroxide and sulphuric acid; 2017; M/s Heavy Water Board, Mumbai
Recovery of Pd from spent
nuclear fuel effluent (High level liquid waste) using ionic liquids; 2015; Indira
Gandhi Centre for Atomic Research (IGCAR), Kalpakkam
Recovery of high pure Te,
Cu and Pb from anode slime; 2012; M/s Hindalco Industries Ltd., Dahej, Gujarat.
Electrochemical reduction
cell assembly design; 2008; M/s Heavy Water Board, Mumbai
Chromite recovery from
COB plant tailings and sub-grade chromite ore; 2008; M/s Jindal Stainless Steel
Limited, Bhubaneswar
Recovery of cobalt
carbonate from cobalt bearing slag of South Africa; 1998; M/s Shalina Trading
Corporation Ltd., Mumbai
Recovery of cobalt from
superalloy scrap/sludge; 1997; M/s Rubamin Ltd., Baroda
Production of Copper
cathode from secondary sources; 1997; M/s Hydromet India Ltd, Kancheepuram