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Improtance of fundamental study in hydrometallurgy

  • The 1995 Extraction and Processing Lecture the Minerals, Metals & Materials Society
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Abstract

Recent developments in modeling and optimization studies using computer technology have had a remarkable effect on all areas of extractive metallurgy. However, a lack of fundamental data regarding, for instance, activities, diffusion coefficients, limiting current densities,etc. obstructs the reliable use of this method. In studying hydrometallurgy, I recognized the importance of fundamental analysis and continued such works throughout my university life. For example, activities of water and solutes of the solution systems H2SO4−Mx(SO4)y−H2O and HCl−MClx−H2O were determined, and the results were employed to analyze the dissolution mechanism of metal oxides as well as metal sulfides in those solutions. In this article, fundamental studies mainly made in my laboratory to understand hydrometallurgical phenomena will be discussed.

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Authors and Affiliations

  1. Kyoto University, Kyoto, Japan

    Hiroshi Majima (professor emeritus, standing advisor for Titan Kogyo K.K.)

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  1. Hiroshi Majima
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Dr. Majima received his Bachelor of Engineering and Doctor of Engineering degrees from Kyoto University. In the past 40 years, he has served as an associate professor at the Research Institute of Mineral Dressing and Metallurgy of Tohoku University, a professor at the Department of Mineral Engineering of the University of British Columbia, and a professor at the Department of Metallurgy of Kyoto University. His research interest is directed toward thermodynamics related to hydrometallurgy. He is the recipient of awards from the Mining and Metallurgical Institute of Japan and the surface Finishing Society of Japan. The Extraction and Processing Lecturer Award honors an outstanding scientific leader in the Field of nonferrous extractive metallurgy with an invitation to present a comprehensive lecture at the TMS Annual Meeting.

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Majima, H. Improtance of fundamental study in hydrometallurgy. Metall Mater Trans B 26, 1109–1122 (1995). https://doi.org/10.1007/BF02653995

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