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Abstract

A. R. Shahverdi, Dept. of Biotechnology,
Faculty of Pharmacy, Tehran Medical Sciences
University
M. Oliazadeh, Dept. of Mining Engineering,
Faculty of Engineering, University of Tehran
B. M. Tabatabae Yazdi , Dept. of
Biotechnology, Faculty of Pharmacy, Tehran
Medical Sciences University
S. A. Seyed Bagheri, Hydrometallurgy
Section, R&D, Sarcheshmeh Copper Complex
A moderately thermophilic bacterium designated as TSB isolated from Gotovosii acidic hot spring. This strian was a Gram positive rods which oxidized pyrite and sulfur as sole energy source.
Mouteh pyritic concentrate was leached in shake flasks at different pulp density. After bio-treatment the recovery of gold by CIL method compared with non-treated concentrate. The results show significant improvement in gold recovery that can be obtained using this integrated process