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. In the present work, acidophilus bioleaching organisms Ferroplasma thermophilum, Leptospirillum ferriphilum and Acidithioobacillus ferrooxidans were cultured. It was found that they can live in low pH environment... and synthesizing ferruginous nano-particles. Key words: jarosite; extracellular polymer substance; bioleaching; ferruginous nano-particles 1 Introduction Acidithioobacillus ferrooxidans is a kind......
Mutagenic breeding of silver-resistant Acidithiobacillus ferrooxidans and exploration of resistant mechanism WU Xue-ling(吴学玲), QIU Guan-zhou(邱冠周), GAO Jian(高 健), DING Jian-nan(丁建南), KANG Jian(康 健...; Abstract: The silver-resistant Acidithiobacillus ferrooxidans were isolated from 22 acid mine drainage (AMD) samples collected from Dexing Copper Mine and Chengmen Mountain Mine......
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conditioning with Acidithiobacillus ferrooxidans and Acidithiobacillus caldus was evaluated by Zeta-potential, adsorption studies, FT-IR spectra and contact angle measurement. The Zeta-potential studies show... on chalcopyrite surface, the contact angle and surface hydrophobicity of chalcopyrite increase at the initial bioleaching stage. Chalcopyrite bioleaching by Acidithiobacillus ferrooxidans has higher copper......
铅S.A. Hiscock,周以英摘 要:<正> 1985年铅象最近几年来一样,基本上仍处于稳定状态.有些厂矿盈利,有些厂矿亏关键词:......
黄铜矿细菌浸出过程中的多因素影响 任浏祎1,何小娟2,覃文庆1,王军1,张雁生1 (1.中南大学资源加工与生物工程学院,湖南,长沙,410083;2.广州有色金属研究院,广东,广州,510651) 摘要:运用取自大宝山(简称DB)的嗜酸氧化亚铁硫杆菌(Acidithiobacillus ferrooxidans,简称A.f)和嗜酸氧化硫硫杆菌(Acidi-thiobacillus thiooxidans,简称A.t)的混合菌对广东某硫化铜矿的黄铜矿进行摇瓶浸出试验研究.结果表明,黄铜矿摇瓶细菌浸出率受菌种,矿浆浓度,pH值,接种量多种因素的影响.细菌浸出黄铜矿的适宜条件为温度30℃,矿浆浓度5%,pH值为2.0,接种量为3×107个/mL. 关键词:细菌浸出; 黄铜矿; 摇瓶浸出; 浸出率; [全文内容正在添加中] ......
Trans. Nonferrous Met. Soc. China 23(2013) 804-811 Comparison of Fe2+ oxidation by Acidithiobacillus ferrooxidans in rotating-drum and stirred-tank reactors Jian JIN1, Shao-yuan SHI1,2, Guo-liang... of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China Received 10 January 2012; accepted 15 May 2012 Abstract: Fe2+ oxidation by Acidithiobacillus ferrooxidans......
PREPARATION OF NANOMETER ZINC OXIDE BY EVAPORATION METHOD Y.Fu1,A.A.A.Saleh1,Y.C.Zhai1,X.J.Zhai1 (1.School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China) Abstract:Nanometer ZnO particles were synthesized by evaporating of zinc powders of averageparticle size of 370μ......
) 摘 要:比较了3种典型嗜中温铁/硫代谢菌--Acidithiobacillus ferrooxidans,Leptospirillum ferriphilum及Acidithiobacillus thiooxidans单独及混合浸出黄铜矿过程中细菌硫氧化,铁氧化情况.同时利用XRD,硫的K边X射线吸收近边结构光谱(XANES)等分析手段研究3种细菌单独/混合浸出黄铜矿过程中矿物组成... activities of three typical mesosphilic bioleaching bacteria, such as Acidithiobacillus ferrooxidans, Leptospirillum ferriphilum and Acidithiobacillus thiooxidans, were studied and their mixture......
STUDY ON NANOMETER ZINC PARTICLES FABRICATED BY GAS EVAPORATION METHOD Y.Fu1,A.A.A.Saleh1,Y.C.Zhai1,A.L.Zhang1,X.J.Zhai1 (1.School of Materials and Metallurgy, Northeastern University, Shenyang,110004, China) Abstract:Nanometer Zn particles with mean diameters 12-100nm made by evaporating its pow......
