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Trans. Nonferrous Met. Soc. China 22(2012) 442-446 Experimental measurements of short-term adsorption of Acidithiobacillus ferrooxidans onto chalcopyrite WANG Zhao-hui1, XIE Xue-hui1, LIU Jian-she1... investigated to explore the relationship among them and bacterial adsorption. The adsorption was a rapid process for bacterial adhesion to chalcopyrite. The extent of adsorption increased......
Trans. Nonferrous Met. Soc. China 31(2021) 545-554 Cyclic voltammetry and potentiodynamic polarization studies of chalcopyrite concentrate in glycine medium Maryam KHEZRI1, Bahram REZAI1, Ali Akbar... and potentiodynamic polarization analyses were utilized to investigate the mechanism and kinetics of glycine leaching reactions for chalcopyrite. The effects of pH (9-12), temperature (30-90 °C......
collectors of chalcopyrite SUN Wei1, YANG Fan1, HU Yue-hua1, HE Guo-yong2, LIU Wen-li1 (1. School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China; 2. Tongling... and their quantum chemical indices was investigated to discuss the feasibility of applying them in screening chalcopyrite collectors. The results show that for collectors of the same kind......
is extracted from chalcopyrite by using strain ZW-1 as inocula.
Key words: moderately thermophilic acidophilic bacterium; biochemical and physiological characteristics; phylogenetic analysis; chalcopyrite
for chalcopyrite bioleaching
YANG Yu1, 2, WAN Min-xi1, PENG Hong1, QIU Guan-zhou1, 2, HUANG Ju-fang2, HU Yue-hua1, 2
(1. School of Minerals Processing and Bioengineering, Central South University... concentration is 60 mg/L while the control is only 10 mg/L after 27 d. This bacteria can be used to leach chalcopyrite in industry application.
Key words: Acidithiobacillus ferrooxidans; bioleaching; Iro......一株黄铜矿专属浸出细菌的分离与鉴定
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来源: 《中南大学学报(自然科学版)2007年第4期》——杨宇 万民熙 彭宏 邱冠周 黄菊芳 胡岳华
Leaching of copper from chalcopyrite concentrate by using ammonium persulphate in an autoclave: Determination of most suitable impeller type by using response surface methodologyM. D. Turan1, H. S...; 23279, Turkey)Abstract:Some effective parameters on the copper extraction from Küre chalcopyrite concentrate were optimized by using response surface methodology (RSM). Experiments designed by RSM......
Effect of EPS on adhesion of Acidithiobacillus ferrooxidans on chalcopyrite and pyrite mineral surfaces YU Run-lan, OU Yang, TAN Jian-xi, WU Fa-deng, SUN Jing, MIAO Lei, ZHONG Dai-li Key... with 2-keto-3-deoxyoctonic acid (KDO) as the indicator of EPS by spectrophotometry. Then the effect of EPS of A. ferrooxidans on the adhesion on chalcopyrite and pyrite surfaces was studied through a series......
; 文献标识码:A Isolation, characterization of heterotrophic acidothermophile TC-2 and its influence on bioleaching of chalcopyrite WU Xue-ling1, 2, ZHU... compounds to support fast growth, but can not utilize chalcopyrite as energy source. 16s rRNA gene Analysis reveal that this strain closely relates to Alicyclobacillus sendaiensis, with over 99% sequence......
. 图1 低品位黄铜矿受萃取有机物污染前后的红外光谱 Fig. 1 Infrared spectra of low-grade chalcopyrite ore before and after being contaminated 2.2 细胞在受污染矿石表面的吸附行为 图2所示为在低品位黄铜矿表面受污染前后At. thiooxidans细胞的吸附特征.由图2可...密集. 图2 At. thiooxidans细胞在低品位黄铜矿被污染前后的吸附率 Fig. 2 Adsorption ratio of At. thiooxidans on uncontaminated/ contaminated low-grade chalcopyrite ores 2.3 受污染黄铜矿的生物浸出特征 被萃取有机物污染的低品位黄铜矿,与清洁......
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