| 细菌还原Au^3＋制备金催化剂的研究 |
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| 引用本文： | 刘月英,傅锦坤.细菌还原Au^3＋制备金催化剂的研究[J].微生物学报,1999,39(3):260-263. |
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| 作者姓名： | 刘月英 傅锦坤 |
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| 作者单位： | 厦门大学生物学系，厦门大学化学系 |
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| 基金项目： | 国家自然科学基金,固体表面物理化学国家重点实验室资助 |
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| 摘 要： | 从不同来源的细菌菌株筛选获得一株吸附还原Ａｕ３＋较强的菌株Ｄ０１，经鉴定为巨大芽孢杆菌（Ｂａｃｉｌｕｓｍｅｇａｔｈｅｒｉｕｍ）Ｄ０１。菌株Ｄ０１在Ａｕ３＋浓度６００ｍｇ／Ｌ下仍能较好生长。从电化学反应表明，该菌具有较强的还原力，它能将金催化剂的前驱体Ａｕ３＋／αＦｅ２Ｏ３还原成具有催化ＣＯ＋Ｏ２→ＣＯ２的高分散度的Ａｕ０／αＦｅ２Ｏ３催化剂
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| 关 键 词： | Au~(3＋)还原，金催化剂，巨大芽孢杆菌 |
Studies on reduction of Au3+ by bacteria for preparing gold catalyst] |
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| Y Liu,J Fu,R Hu,B Yao,S Weng.Studies on reduction of Au3+ by bacteria for preparing gold catalyst][J].Acta Microbiologica Sinica,1999,39(3):260-263. |
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| Authors: | Y Liu J Fu R Hu B Yao S Weng |
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| Institution: | Department of Biology, Department of Chemistry, Xiamen University, Xiamen 361005. |
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| Abstract: | The strain D01, screened from different source bacterial strains, has relatively strong ability of adsorbing Au3+. The strain D01 was identified as Bacillus megatherium D01 and still grew well in the medium containing 600 mg/L Au3+. The results of electrochemical reaction indicated that the strain D01 had a strong ability of reduction. It could reduce the Au3+/alpha-Fe2O3(precursor of the gold catalyst) to highly dispersive Au0/alpha-Fe2O3 catalyst which could catalyze the reaction of CO + O2-->CO2. |
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