| Microbial leaching of marmatite by Acidithiobacillusferrooxidans and Acidithiobacillus thiooxidans |
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| 作者姓名： | 王军 邱冠周 覃文庆 张雁生 |
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| 作者单位： | School of Resources Processing and Bioengineering Central South University Changsha 410083 China，School of Resources Processing and Bioengineering Central South University Changsha 410083 China，School of Resources Processing and Bioengineering Central South University Changsha 410083 China，School of Resources Processing and Bioengineering Central South University Changsha 410083 China |
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| 基金项目： | 国家自然科学基金;国家重点基础研究发展计划(973计划) |
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| 摘 要： | 1 Introduction Microbial leaching of metals from sulfide minerals has been practiced over hundreds of years without realizing that microorganisms were involved. Copper, zinc, gold, etc can be recovered from sulfide ores by microbial leaching1?5]. Zinc s…
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| 关 键 词： | 铁闪锌矿 生物浸取 淋溶率 微生物浸矿 |
| 收稿时间： | 2005-10-28 |
| 修稿时间： | 2006-03-17 |
Microbial leaching of marmatite by Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans |
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| WANG Jun,QIU Guan-zhou,QIN Wen-qing,ZHANG Yan-sheng.Microbial leaching of marmatite by Acidithiobacillusferrooxidans and Acidithiobacillus thiooxidans[J].Transactions of Nonferrous Metals Society of China,2006,16(4):937-942. |
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| Authors: | WANG Jun QIU Guan-zhou QIN Wen-qing ZHANG Yan-sheng |
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| Affiliation: | 1. Department of Molecular Microbiology and Biotechnology, Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel;2. MIGAL, Galilee Research Center, Kiriat Shmone, Israel;1. Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA;2. Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, PR China;1. Department of Chemistry and Bioengineering, Tampere University of Technology, P.O. Box 541, FI-33101 Tampere, Finland;2. Institute of Chemistry, UNESP, Univ. Estadual Paulista, Araraquara, SP CEP 14.901-970, Brazil;3. Department of Microbiology, Ohio State University, 484 West 12th Avenue, Columbus, OH 43210, USA |
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| Abstract: | The bioleaching of marmatite in shaken flasks was studied. After leaching for 29 days, the leaching ratio of zinc was 91%. Three kinds of bacteria, mixture-based bacteria, 9K-based bacteria and sulfur-based bacteria were used in marmatite leaching, of which the mixture-based bacteria have the best leaching result while the sulfur-based bacteria have the worst. By analyzing the leaching residue using SEM and EDXA, the marmatite leaching mechanism was discussed. |
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| Keywords: | marmatite bioleaching leaching ratio Acidithiobacillus ferrooxidans Acidithiobacillus thiooxidans |
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