Dr. Chandra  Sekhar Gahan

Dr. Chandra Sekhar Gahan

Senior Scientist
Korea Institute of Geoscience and Mineral Resources, South Korea


Highest Degree
Ph.D. in Engineering from Lulea University of Technology, Sweden

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Biography

Dr. Chandra Sekhar Gahan is currently working as Senior Researcher at Korea Institute of Geoscience and Mineral Resources (KIGAM), South Korea. He has completed his PhD in Engineering from Lulea University of Technology, Sweden, and Postdoctoral Fellow from University of Cape Town, South Africa and Lulea University of Technology, Sweden. Previously he was appointed as Guest Faculty at Utkal University, Bhubaneswar, India, and Project Assistant at Institute of Minerals and Materials Technology (CSIR) Bhubaneswar, India. He successfully supervised 1 PhD, 1 MSc, and 1 BSc student. He has published 23 research articles in journals, 5 edited book and book chapter, and 6 technical reports. Dr. Chandra received honors include Best Student Award from Bhubaneswar Chapter of Indian science Congress Association ISCA, Certified and awarded for securing first position in order of merit among all the students in M.Sc degree and Special Incentive Award from LTU. He is life member of Orissa Botanical Society (OBS), annual member of Association of Microbiologists of India, and member of the South Africa Society of Microbiology. He is member of editorial board in International Journal of Biometrics and Bioinformatics (IJBB), Computer Science Journals (CSC Journals), Kuala Lumpur, Malaysia. He is also serving as reviewer for international scientific journals such as Mineral Processing and Extractive Metallurgy Review, Taylor and Francis Group, Journal of Chemical Technology & Biotechnology, John Wiley & Sons, Inc, Canadian Metallurgical Quarterly, Hydrometallurgy, Elsevier, International Biodeterioration and Biodegradation, Elsevier, Waste Management & Research, SAGE Journals, and International Journal of Biometrics and Bioinformatics (IJBB), Computer Science Journals (CSC Journals), Kuala Lumpur, Malaysia. He also participated in number of national international conference. He also participated in 10 industrial, consultancy projects.

Area of Interest:

Engineering
100%
Process Metallurgy
62%
Microbiology
90%
Hydrometallurgy
75%
Instrumental Analysis
55%

Selected Publications

  1. Srichandan, H., C.S. Gahan, D.J. Kim and S.W. Lee, 2012. Bioleaching of spent catalyst using moderate thermophiles with different pulp densities and varying size fractions without fe supplemented growth medium. Int. J. Chem. Environ. Eng., 6: 22-28.
  2. Pradhan, D., D.J. Kim, J. G. Ahn, C.S. Gahan, H.S. Chung and S.W. Lee, 2011. Comparison of bioleaching kinetics of spent catalyst by adapted and unadapted iron oxidizing bacteria - effect of pulp density; particle size; temperature. Korean J. Metals Mater., 49: 956-966.
  3. Kim, D.J., H. Srichandan and C.S. Gahan, 2011. Biohydrometallurgical Extraction of Metal Values From Spent Catalyst: Mini Review. In: Microbial Biotechnology Applications, Thatoi, H.N.(Eds.)., Biotech Books Publications, India,.
  4. Gahan, C.S., J.E. Sundkvist, F. Engstrom and A. Sandstrom, 2011. Utilisation of steel slags as neutralising agents in biooxidation of a refractory gold concentrate and their influence on the subsequent cyanidation. Resour. Conserv. Recycl., 55: 541-547.
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  5. Gahan, C.S., D.J. Kim and H. Srichandan, 2011. Biohydroemtallurgy and Biomineral Processing: A Review on Past Present and Future. In: Microbial Biotechnology Applications, Thatoi, H.N.(Eds.)., Biotech Books Publications, India,.
  6. Gahan, C.S., M.L. Cunha, J.E. Sundkvist and A. Sandstrom, 2010. Application of Industrial Oxidic By-products as Neutralising Agent in Bioleaching. In: Microbial Biotechnology, 1st Edition, Mishra B.B. and H.N. Thatoi (Eds.)., APH Publishing Corporation, New Delhi. India, pp: 254-297.
  7. Gahan, C.S., J.E. Sundkvist, M. Dopson and A. Sandstrom, 2010. Effect of the chloride ions on ferrous-iron oxidation by Leptospirillum ferriphilum-dominated chemostat culture. Biotechnol. Bioeng., 106: 422-431.
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  8. Gahan, C.S., J.E. Sundkvist and A. Sandstrom, 2010. Use of mesalime and electric arc furnace (EAF) dust as neutralising agents in biooxidation and their effects on gold recovery in subsequent cyanidation. Miner. Eng., 23: 731-738.
  9. Gahan, C.S., M.L. Cunha and A. Sandstrom, 2009. Comparative study on different steel slags as neutralising agent in bioleaching. Hydrometallurgy, 95: 190-197.
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  10. Gahan, C.S., J.E. Sundkvist and A. Sandstrom, 2009. A study on the toxic effects of chloride on the biooxidation efficiency of pyrite. J. Hazard. Mater., 172: 1273-1281.
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  11. Sundkvist, J.E., C.S. Gahan and A. Sandstrom, 2008. Modeling of Leptospirillum ferrooxidans-dominated chemostat culture. Biotech. Bioeng., 99: 378-389.
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  12. Gahan, C.S., M.L. Cunha and A. Sandstrom, 2008. Study on the possibilities to use ashes, eaf dust and lime sludge as neutralising agent in bioleaching. Open Miner. Process. J., 1: 26-36.
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  13. Cunha, M.L., C.S. Gahan, N. Menad and A. Sandstrom, 2008. Possibilities to use oxidic by-products for precipitation of Fe/As from leaching solutions for subsequent base metal recovery. Miner. Eng., 21: 38-47.
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  14. Cunha, M.L., C.S. Gahan, N. Menad and A. Sandstrom, 2008. Leaching behaviour of industrial oxidic by-products: possibilities to use as neutralisation agent in bioleaching. Mater. Sci. Forum, 587-588: 748-752.
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  15. Pradhan, N., B. Das, C.S. Gahan, R.N. Kar and L.B. Sukla, 2006. Beneficiation of iron ore slime using Aspergillus niger and Bacillus circulans. Biores. Technol., 97: 1876-1879.
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