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图分类号:TF18 文献标志码:A 文章编号:1672-7207(2012)01-0001-07 Temperature influence on chalcopyrite bioleaching... and Environmental Engineering, University of Science & Technology Beijing, Beijing 100083, China; 4. Chinese Academy of Engineering, Beijing 100088, China) Abstract: Bioleaching of chalcopyrite......
Dual effects of sodium sulfide on the flotation behavior of chalcopyrite:Ⅰ. Effect of pulp potentialBijan Taheri1,Mahmoud Abdollahy1,Sied Ziaedin Shafaei Tonkaboni2,Soheyla Javadian31. Mining... the flotation behavior of chalcopyrite in the presence of different concentrations of sodium sulfide(Na2S·9H2O) at pH 12 under controlled potential conditions.It was observed that the flotation......
to the Acidiphilium cryptum (Y18446) with 99.69% sequence similarity. The bioleaching experiment of chalcopyrite revealed that the DY strain has little efficiency of leaching chalcopyrite, but when it is coupled with acidophilic autotrophilic bacteria Acidithiobacillus ferrooxidans ATCC 23270, it can increase the chalcopyrite leaching efficiency by 35.98% after 30 d, compared with Acidithiobacillus......
Relationship and effect of redox potential, jarosites and extracellular polymeric substances in bioleaching chalcopyrite by acidithiobacillus ferrooxidans YU Run-lan1, 2, ZHONG Dai-li1, 2, MIAO... ions and Cu2+ with the time of bioleaching chalcopyrite concentrates by acidithiobacillus ferrooxidans were investigated under the different conditions of initial total-iron amount as well......
Trans. Nonferrous Met. Soc. China 28(2018) 1444-1455 Leaching of chalcopyrite with hydrogen peroxide in hydrochloric acid solution Sanja J. PETROVI1, Grozdanka D. BOGDANOVI2, Milan M. ANTONIJEVI2 1... 23 October 2017 Abstract: The aim of this work was to investigate the leaching of chalcopyrite concentrate in hydrochloric acid with hydrogen peroxide as a strong oxidizing agent. The effects......
Table 1 Element content of chalcopyrite by XRF (mass fraction, %) 1.3 iBCTU溶液标准曲线 准确称量0.176 g iBCTU,溶解在1000 mL蒸馏水中得到0.001 mol/L iBCTU溶液,稀释成各个浓度的溶液,在最大吸收波长256 nm处,用紫外分光光度计测定其吸光度(A),然后以吸光度为纵坐标...过程是吸热过程,升高温度对吸附有促进作用. 图2 pH和浮选回收率的关系 Fig. 2 Effect of pH values on flotation recovery of chalcopyrite 图3 iBCTU初始浓度和黄铜矿浮选回收率的关系 Fig. 3 Relationship between iBCTU initial......
Trans. Nonferrous Met. Soc. China 31(2021) 1784-1795 Selective depression of copper-activated sphalerite by polyaspartic acid during chalcopyrite flotation Qian WEI, Fen JIAO, Liu-yang DONG, Xue-duan... flotation reagent, polyaspartic acid (PAPA), was tested as a potential selective depressant in the flotation separation of chalcopyrite and Cu-activated sphalerite. The depression mechanism of PAPA......
学研究[J]. 中国有色金属学报, 2021, 31(x): xxxx-xxxx. DOI: 10.11817/j.ysxb.1004.0609.2021-37760 PENG Yu-ping, PENG Tang-jian, ZENG Wei-min. Electrochemical studies and synergistic bioleaching of chalcopyrite...; Chemical compositions of mineral samples (%) 图1 黄铜矿和斑铜矿的XRD谱 Fig. 1 XRD patterns of chalcopyrite(a) and bornite(b) samples 1.2 生物浸出实验 微生物浸出实验在250 mL的细颈摇瓶中进行.取120 mL的基础盐培养基和不同质量比的矿物6 g于摇......
Flotation separation of chalcopyrite from galena by sodium humate and ammonium persulfate Rui-zeng LIU1, Wen-qing QIN1, Fen JIAO1, Xing-jie WANG1, Bin PEI2, Yong-jun YANG2, Chun-hua LAI3 1. School... Mining Co., Ltd., Honghe 662400, China Received 3 March 2015; accepted 15 June 2015 Abstract: The flotabilities of chalcopyrite and galena with sodium humate (HA) and ammonium persulfate (APS......
′′′-oxydiethylenedicarbonyl bis(thiourea) with chalcopyrite LIU Guangyi, ZHANG Huili, REN Heng, WANG Yongquan, XIAO Jingjing, GAO Jinliang, FAN Jiazhi, ZHONG Hong (School of Chemistry and Chemical... kinetics and thermodynamics with chalcopyrite were investigated. The results indicate that the recommended pHs for DiPODECTU adsorbing on chalcopyrite surface are 5-10 and the adsorption decreases......