Relation between the Solubility Product and the Rate of Metal Sulfide Oxidation by Thiobacillus ferrooxidans : Part of this work was presented at the Ninth Research Conference organized by the Foundation for Research Conferences in Chemistry

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概要

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• The microbiological oxidation of analytically pure heavy metal sulfides has been investigated with a strain of Thiobacillus ferrooxidans. The applicability of an adapted Monod equation in the kinetic description of the metabolic oxidation of metal sulfides has been demonstrated. In this process the rate of metal dissolution was found to be directly proportional to the initial surface area of the substrates. The most important finding of this work is the relationship between the rate of metal sulfides oxidation and their solubility product. The highest rate was obtained with the substrate having the highest solubility product and the following order of the rate of metal dissolution was estabilished for the substrates studies : NiS>Co>ZnS>CdS>CuS>Cu_2S. It has been suggested that the first step in the metal sulfide oxidation is the dissociation of the substrates.

• 公益社団法人日本生物工学会の論文
• 1978-06-25

著者

• Torma Arpad

  Department Of Metallurgical And Materials Engineering New Mexico Institute Of Mining And Technology

• Sakaguchi Hiromichi

  Department Of Biochemistry Faculty Of Science And Engineering Laval University

関連論文

• Relation between the Solubility Product and the Rate of Metal Sulfide Oxidation by Thiobacillus ferrooxidans : Part of this work was presented at the Ninth Research Conference organized by the Foundation for Research Conferences in Chemistry

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