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Bioleaching of pyrite by A. ferrooxidans and L. ferriphilum ZHANG Lin(张 麟), QIU Guan-zhou(邱冠周), HU Yue-hua(胡岳华), SUN Xiao-jun(孙小俊), LI Jian-hua(李建华), GU Guo-hua(顾帼华) School of Minerals... of A. ferrooxidans and L. ferriphilum, in which different pulp concentration, inoculation amount, external addition of Fe3+ and initial pH value were performed. It is found that A. ferrooxidans and L......
; Preparation of jarosite by Acidithiobacillus ferrooxidans oxidation LIU Jian-she(柳建设), LI Bang-mei(李邦梅), ZHONG De-yi(钟得意), XIA Le-xian(夏乐先), QIU Guan-zhou(邱冠周) (School of Mineral Processing and Bioengineering, Central South University, Changsha 410083, China) Abstract: The formation of jarosite in the presence of Acidithiobacillus ferrooxidans (A. ferrooxidans......
Trans. Nonferrous Met. Soc. China 22(2012) 1250-1254 Electrochemical oxidation behavior of pyrite bioleaching by Acidthiobacillus ferrooxidans GU Guo-hua1, SUN Xiao-jun1,2, HU Ke-ting1, LI...., Huangshi 435005, China Received 9 May 2011; accepted 30 August 2011 Abstract: The electrochemical oxidation behavior of pyrite in bioleaching system of Acidthiobacillus ferrooxidans was investigated......
Development and evaluation of whole-genome oligonucleotide array for Acidithiobacillus ferrooxidans ATCC 23270 LI Qian(李 乾), SHEN Li(申 丽), LUO Hai-lang(罗海良), YIN Hua-qun(尹华群...; Abstract: To effectively monitor the characteristic of Acidithiobacillus ferrooxidans ATCC 23270 at the whole-genomic level, a whole-genome 50-mer-based......
mesophilic and acidophilic ferrous ion-oxidizing bacteria Acidithiobacillus ferrooxidans (A. ferrooxidans), mesophilic and acidophilic sulfur-oxidizing bacteria Acidithiobacillus thiooxidans... agent. In conclusion, liquid-nitrogen cryopreservation is a simple and effective method for autotrophic bioleaching microorganisms. Key words: A. ferrooxidans; A. thiooxidans; Acidianus......
冶金模式微生物Acidithiobacillus ferrooxidans表面质子吸附特性的研究周姗1,栗树珍1,钟慧2,贺治国11. 中南大学资源加工与生物工程学院生物冶金教育部重点实验室2. 中南大学生命科学学院摘 要:为了探究生物冶金过程及矿山酸性废水中的关键微生物Acidithiobacillus ferrooxidans的表面质子吸附机理,该研究通过酸碱滴定,ProtoFit模拟,电泳迁移率测定及傅里叶变换衰减全反射红外光谱法(ATR-FTIR)系统地揭示不同能源(S0,Fe2+,FeS2)和离子强度(0.001~0.1 mol/L NaNO3)对A.ferrooxidans表面性质的影响及参与质子化/去质子化反应的关键官能团.结果表明:三位点的Donnan壳静电模型能较好地适用于分析......
. [6] WANG S F, XIAO Li, LI Y Q, FANG Z, QIU G Z, LI J. Electrogenerative leaching for sphalerite-MnO2 in the presence of Acidithiobacillus ferrooxidans [J]. Journal of Thermal Analysis... of China, 2007, 17(5): 1045-1051. [8] XIAO Li, FANG Zheng, QIU Guan-zhou, LIU Jian-she. Electro-generative mechanism for simultaneous leaching of pyrite and MnO2 in presence of A. ferrooxidans [J......
leaching efficiency in mixed leaching systems of Leptospirillum ferrooxidans (L. ferrooxidans) and Acidithiobacillus thiooxidans (A. thiooxidans) was significantly higher than that in any single......
Trans. Nonferrous Met. Soc. China 23(2013) 2153-2159 Effects of Acidiphilium cryptum on biosolubilization of rock phosphate in the presence of Acidithiobacillus ferrooxidans Chun-qiao XIAO, Ru-an CHI...: The bioleaching of pyrite and biosolubilization of rock phosphate (RP) in 9K basal salts medium were compared by the following strains of an autotrophic acidophilic bacterium, Acidithiobacillus ferrooxidans......
EPS-contact-leaching mechanism of chalcopyrite concentrates by A. ferrooxidans YU Run-lan(余润兰), TAN Jian-xi(谭建锡), YANG Peng(杨 鹏), SUN Jing(孙 静), OU Yang(欧 阳), XIONG Jing(熊 晶), DAI Yun-jie(戴云杰...; Abstract: The effect of extracelluar polymeric substances(EPS) on the bioleaching chalcopyrite concentrates in the presence of iron- and sulphur-oxidizing bacteria (A. ferrooxidans) was studied......
