DESCRIPTION :

Dr. Barsha Dash, Scientist-F with extensive R&D experience in hydrometallurgy, extractive metallurgy, mineral processing, waste valorization and recovery of strategic/critical metals from primary and secondary resources. Research experience spans laboratory investigations, process optimization, flowsheet development, pilot-scale studies, technology development and industrial R&D. Core expertise includes leaching, precipitation, adsorption, separation, process scale-up and sustainable recovery of valuable metals from ores, industrial wastes, catalysts and anode slimes.Recovery of metals through Deep Eutectic solvent is also an area of her expertise. She is also the coordinator of Dissertation and training of HRD cell.

Scientist-F: Oct 2023 – Present

Principal Scientist: Oct 2018 – Oct 2023

Senior Scientist: Oct 2014 – Oct 2018

Scientist; Oct 2010 – Oct 2014

Junior Scientist: Oct 2007 – Oct 2010

• Hydrometallurgy & extractive metallurgy: Leaching & dissolution kinetics, Precipitation & crystallization
• Separation Adsorption & effluent treatment
• Process flowsheet development
• Critical/strategic metal recovery
• Waste-to-wealth processing
• Alumina & aluminium chemistry
• Potassium/potash recovery
• Mineral & material characterization
• Hydrometallurgical scale-up
• Solvatometallurgical Exptraction

• Featured in a Book “SHE IS” encompassing 75 Women in Chemistry published by Red dot foundation in association with Principal Scientific Advisor to the Govt of India and Royal Society of Chemistry, UK.
• Received Commendation Award from Hindustan Petroleum in New Generation Ideation Contest-2023
• “R.P Das Memorial Award” in recognition of contribution to the field of Hydrometallurgy during the “IIM Annual General Body meeting (IIM-AGBM)” held on 7th Sep 2020.
• Prof. G.B.Behera award for best PhD thesis-2012
• Prof. Dayanidhi Pattnaik award-2010 

• Bhagyalipi Tripathy, Sasmita Prusty, Manish Bhartia, A. Bandyopadhyay, Barsha Dash, Influence of mineral and organic acids on the structural, morphological and packing properties of silica sand, Journal of Engineering and Applied Science, (2026) 73:128, https://doi.org/10.1186/s44147-026-00988-7 
• Sonidarsani Routray, Binapani Behera, Barsha Marandi, K. Sanjay, M.K. Ghosh, And Barsha Dash, Insight into Cu Extraction Using Deep Eutectic Solvent: Reaction Mechanism, METALLURGICAL AND MATERIALS TRANSACTIONS B, 56, 2025, 292-299.  https://doi.org/10.1007/s11663-024-03320-x  *Corresponding author 
• Jayashree Samantray, Amit Anand, Barsha Dash & Malay K. Ghosh, Low temperature hydrothermal processing to recover aluminum from nepheline syenite roast leach residue, Separation Science and Technology, 58:14, 2505-2518, DOI: 0.1080/01496395.2023.2260084    To link to this article: https://doi.org/10.1080/01496395.2023.2260084 
• Rashmirekha Samal, Surjeet Mahalik, Sonidarshani Routroy, Barsha Dash, Kali Sanjay, High Pure Co (II) Precursor Liquor From Spent Catalyst Leach Liquor, Journal of Sustainable Metallurgy, https://doi.org/10.1007/s40831-023-00693-2  *Corresponding author
• Sonidarshani Routray, Barsha Dash, Abdul R. Sheik, C. K. Sarangi and Kali Sanjay,  Kaolin: An Alternate Resource of Alumina , Sustainable Chemical, Mineral and Material Processing, Select Proceedings of 74th Annual Session of Indian Institute of Chemical Engineers (CHEMCON-2021), 2022, 135-144.  *Corresponding author
• Surjeet Mahalik, A. R. Sheik, Barsha Dash, C. K. Sarangi & K. Sanjay, Reclamation of tungsten from spent HDS catalyst: a detailed study, Indian Chemical Engineer, 2022, 64, 4, 416–429 *Corresponding author
• Jayashree Samantray, Amit Anand, Barsha Dash, Malay Kumar Ghosh, Ajaya Kumar Behera, Silicate minerals - Potential source of potash - A review, Minerals Engineering, 179 (2022) 107463
• Geetanjali Mishra, Sanjit Das, Priyalisa Jena, B. Dash, Synthesis and characterization of template mediated mesoporous alumina nanostructure with efficient and fast adsorption of Congo Red from aqueous solutions, Materials Advances, 3, 2022, 3490-3499.
• G. Mishra, B. Dash, A. R. Sheik, C. K. Sarangi, P. Vijetha, K. Sanjay, M. K. Ghosh, T. Subbaiah, Recovery of Lead as Lead Sulphide from Anode Slime Using Hydrometallurgical Technique, J. Inst. Eng. India Ser. D, 2021, 
• RR Samal, Aneeya K Samantara, S Mahalik, JN Behera, B Dash, K Sanjay, An anionic and cationic surfactant-assisted hydrothermal synthesis of cobalt oxide nanoparticles as the active electrode material for supercapacitors, New Journal of Chemistry, 45 (2021) 2795-2803. *Corresponding author
• Geetanjali Mishra, S.Mahalik, Barsha Dash, K.Sanjay, M.K.Ghosh, Iron control in wet chemical leaching of polymetallic nodule through combined reagent, Analytical Chemistry Research, ACI, 1(1)2021, 9-14.
• Sibani Mahapatra, Jyotsna Rani Sahu, Barsha Dash, Synthesis and characterizations of different aluminosilicate nano matrices, Materials Today: Proceedings, 35 (2021)186-192 *Corresponding author
• Jayashree Samantray, Amit Anand, Barsha Dash, Malay K. Ghosh, and Ajaya K. Behera
• Sustainable Process for the Extraction of Potassium from Feldspar Using Eggshell Powder, ACS Omega 2020 5 (25), 14990-14998 DOI: 10.1021/acsomega.0c00586
• Bibek Dash, Barsha Dash Swagat S. Rath, A thorough understanding of the adsorption of Ni (II), Cd (II) and Zn (II) on goethite using experiments and molecular dynamics simulation, Separation and Purification Technology, 240, 2020, 116649
• Ranjan Kumar Dwari, Chinmaya Kumar Sarangi, Syed Md. Mustakim, Barsha Dash, Bankim Chandra Tripathy, Malay Kumar Ghosh, Suddhasatwa Basu,R&D Efforts of CSIR‑IMMT Toward Solving Some Issues Related to Aluminum Production,  Journal of Sustainable Metallurgy, 6, 2020, 9-17
• Jayashree Samantray, Amit Anand, Barsha Dash, Malay K. Ghosh, Ajay K. Behera,Nepheline syenite—an alternative source for potassium and aluminium, Rare metal technology, 2019, TMS Book chapter, Springer Publication, page 145-159.
• Geetanjali Mishra, Barsha Dash, Sony Pandey, Effect of molecular dimension on gallery height, release kinetics and antibacterial activity of Zn-Al layered double hydroxide (LDH) encapsulated with benzoate and its derivatives. Applied Clay Science, 181, 2019, 105230.*Corresponding author
• J.Samantray, A. Anand, B.Dash, M.K. Ghosh, A.K.Behera, Production of potassium chloride from K-feldspar through Roast-leach-Solvent Extraction route, Trans IIM, https://doi.org/10.1007/s12666-019-01730-z
• Geetanjali Mishra, Barsha Dash, Sony Pandey, Diptipriya Sethi, Ternary layered double hydroxides (LDH) based on Cu-substituted Zn-Al for the design of efficient antibacterial ceramics, Applied Clay Science, 165, 2018, 214-222.*Corresponding author
• A.K.Tripathy, B.Behera, V.Aishwarya, A.R.Sheikh, B.Dash, C.K.Sarangi, B.C.Tripathy, K.Sanjay, I.N.Bhattacharya, Sodium fluoride assisted acid leaching of coal fly ash for the extraction of alumina, Minerals Engineering,  131, 2018, 140-145.
• Meenakshi Rath, Laxmi Priya Behera, Barsha Dash, Abdul Rauf Sheik, Kali Sanjay, Recovery of dimethylglyoxime (DMG) from Ni-DMG complexes, Hydrometallurgy, 176, 2018, 229-234*Corresponding author
• Geetanjali Mishra, Barsha Dash, Sony Pandey, Layered double hydroxides: A brief review from fundamentals to application as evolving biomaterials, Applied Clay Science, 153, 2018, 172-186.*Corresponding author(Most downloaded paper of the journal may 2018 to till now)
• Geetanjali Mishra, Barsha Dash, Sony Pandey, Diptipriya Sethi, C. Ganesh Kumar, Comparative Evaluation of Synthetic Routes and Antibacterial/Antifungal Properties of Zn–Al Layered Double Hydroxides Containing Benzoate Anion, Environmental Engineering Science, 35, 2018, 247-260, DOI: 10.1089/ees.2017.0062*Corresponding author
• Geetanjali Mishra, Barsha Dash, Diptipriya Sethi, Sony Pandey, B.K.Mishra, Orientation of organic anions in Zn-Al layered double hydroxides with enhances antibacterial property, Environmental Engineering Science, 34, 2017, 516-527, DOI: 10.1089/ees.2016.0531*Corresponding author
• Geetanjali Mishra, Barsha Dash, Ajit Dash, I.N.Bhattacharya, Surfactant directed synthesis of mesoporous alumina and α-alumina single crystal, Crystal Research and Technology, 51, 2016, 433-440.*Corresponding author
• A.Biswal, S.Mahakud, Sandhyarani Bhuyan, B.Dash, C.K.Sarangi, Kali Sanjay, B.C.Tripathy, T.Subbaiah, I.N.Bhattacharya, Sung-HoJoo, Shun Myung Shin, K.H.Park, Recovery of Co metal and Electrolytic Manganese Dioxide (EMD) from Co–Mn sludge, Hydrometallurgy, 152, 2015, 159-168.
• Ayon Bala Baral, Barsha Dash, Malay K.Ghosh, Tondepu Subbaiah, Manickam Minakshi, Pathway of Sucrose Oxidation in Manganese (Pyrolusite) Nodule, Industrial Engineering and Chemistry Research, 54, 2015, 12233-12241.  
• N.K.Sahu, C.Sarangi, B.Dash, B.C.Tripathy, B.K.Satpathy, D.Meyrick, I.N.Bhattacharya, “Role of hydrazine and hydrogen peroxide in aluminium hydroxide precipitation from sodium aluminate solution, Trans. Nonferrous Met. Soc. China, 25, 2015,615-521.
• G. Barik, E. Pradhan, B.Dash, K.Sarangi, T.Subbaiah, “Preparation of layered nickel aluminium double hydroxide from waste solution of nickel”, Minerals Engineering, 69, 2014, 107-112.
• Biswal, S. Mahakud, B.Dash, K.Sanjay, T. Subbaiah, “Influence of alternative alkali reagents on Fe removal during recovery of Mn as Electrolytic Manganese Dioxide (EMD) from Mn sludge”, Hydrometallurgy, 140, 2013, 151-162.
• Geetanjali Mishra, Barsha Dash, Sony Pandey, Prangya Paramita Mohanty, “Antibacterial actions of silver nanoparticles incorporated Zn-Al layered double hydroxide and its spinel” Journal of Environmental and Chemical Engineering, 1, 2013, 1124-1130.*Corresponding author
• Pinak Patnaik, Swagatika Mohanty, Sangitarani Pradhan, B. Dash, Ajit Dash, R. Sakthivel, T. Subbaiah, "Synthesis and characterization of fibrous nickel hydroxide obtained from nickel spent catalyst" Transactions of Nonferrous Metals Society of China, 23, 2013, 2977-2983.
• Sangeeta R Pradhan, Barsha Dash, Kali Sanjay, T. Subbaiah, “Extraction of Ni (II) from spent hydrodesulfurization HDS catalyst through leaching and electroless precipitation of Ni(OH)2”, Metallurgical and Materials Transactions B, 44 (2), 2013, 469-476. *Corresponding author
• A comparative study on the precipitation of hydrated alumina from different sources, Barsha Dash, B.C.Tripathy, I.N.Bhattacharya, T.Subbaiah, International Journal of Metallurgical Engineering,  1(5), 2012, 78-82 *Corresponding author
• N. K. Sahu, Barsha Dash, Suchismita Sahu, I. N. Bhattacharya, T. Subbaiah,“Extraction of copper by leaching of electrostatic precipitator dust and two step removal of arsenic from leach liquor”, Korean Journal of Chemical Engineering, 29 (11), 2012, 1638-1642. *Corresponding author
• Pravas Ranjan Behera, Barsha Dash, Prodip Kumar Sen, Tondepu Subbaiah and Raj Kishore Paramguru, “Studies on characterization and leaching of malachite ore”, The IUP Journal of Chemical Engineering, Vol. III, No. 3, 2011, 51-61
• *Barsha Dash, I.N.Bhattacharya, B.V.R.Murthy, R.K.Paramguru, “Preparation and characterization of molybdenum trioxide from spent HDS catalyst”, Korean Journal of Chemical Engineering, 28(7), 1546-1549 (2011).*Corresponding author
• *Barsha Dash, B.C.Tripathy, I.N.Bhattacharya, B.K.Mishra, “Additive action on boehmite precipitation in sodium aluminate solution”, Dalton Transaction, 39 (2010), 9108-9111. *Corresponding author
• *Barsha Dash,  B.Das, “Adsorption of Pb (II) ions from Aqueous Solutions using a Low-Grade Iron Ore as an Effective Adsorbent”, Adsorption Science and Technology, 27(5) 2009, 479-491. *Corresponding author
• Manganese recovery from medium grade ore using a waste cellulosic reductant,  D. Hariprasad, B. Dash, M.K.Ghosh, S.Anand,  Indian Journal of Chemical Technology, 16(4), (2009) 322-327.
• B. Dash, B.C.Tripathy, I.N.Bhattacharya, S.C.Das, C.R.Mishra and B.K.Mishra; Precipitation of boehmite in sodium aluminate liquor”, Hydrometallurgy, Volume 95, Issues 3-4, February 2009, Pages 297-301.
• B. Dash, B.R. Das, B.C. Tripathy, I.N. Bhattacharya and S.C. Das; Acid dissolution of alumina from waste aluminium dross”, Hydrometallurgy, Volume 92, Issues 1-2, May 2008, Pages 48-53.   (Top 20th article of Hydrometallurgy 2008).
• D.Hariprasad, B. Dash, M.K.Ghosh and S.Anand; “Leaching of manganese ores using saw dust as a reductant”, Minerals Engineering, Volume 20, Issue 14, November 2007, Pages 1293-1295.
• B. Dash, B.C.Tripathy, I.N.Bhattacharya, S.C.Das, C.R. Mishra and B.S.Pani; “Effect of temperature and alumina/caustic ratio on precipitation of boehmite in synthetic sodium aluminate liquor”, Hydrometallurgy, Volume 88, Issues 1-4, August 2007, Pages 121-126.
• B.R. Das, B. Dash, B.C. Tripathy, I.N. Bhattacharya and S.C. Das; “ Production of η-alumina from waste aluminium dross”, Minerals Engineering, Volume 20, Issue 3, March 2007, Pages 252-258
• *B. Dash, B.C.Tripathy and I.N.Bhattacharya; “Adsorption of Copper and Cadmium on Calcined Aluminium Hydroxide Prepared from Waste Aluminium Dross”, Mines and Minerals Reporter, Volume 3, No.8, December 2006, pages 28-31. *Corresponding author

• A Process for Production of Crystalline Boehmite by Precipitating from Supersaturated Sodium aluminate Liquor under Atmospheric conditions at a Temperature as low as 50oC. I.N. Bhattacharya, B. Dash, B.C. Tripathy, K. Sanjay, S.C. Das, V.N. Misra, C.R. Mishra and S.P. Mohapatra. Indian patent No. 0907DEL2006, Granted in India -267384  Date-16/07/2015
• A novel hydrometallurgical process for the production of tellurium from high lead bearing copper refinery anode slime, Tondepu Subbaiah, Barada Kanta Mishra, Malay Kumar Ghosh, Kali Sanjay, Indra Narayan Bhattacharya, Chinmaya Kumar Sarangi, Barsha Dash, Abdul Rauf Sheik, CSIR patent number- 2459DEL2013, Dt. 20.08.2013
• Hydrometallurgical  Process  For The  Recovery  Of  Tellurium  From High  Lead  Bearing  Copper  Refinery Anode  Slime. Tondepu  Subbaiah, Barada  Kanta  Mishra,  Malay  Kumar  Ghosh,  Kali Sanjay,  Indra  Narayan Bhattacharya,  Chinmaya Kumar  Sarangi, Barsha Dash,  Abdul  Rauf  Sheik. Patent No.US  2015/0053572  A1, Dt.26.02.2015, Granted . No- US9630844B2, Dt. 25.04.2017
• A process for the preparation of thermally treated composite of Zn-Al layered double hydroxide having antibacterial activity,  Barsha Dash, Sony Pandey, Geetanjali Mishra,  CSIR patent number- 2893 DEL 2013, Dt.30.09.2013 Granted : 349714, 21 October 20