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is extracted from chalcopyrite by using strain ZW-1 as inocula.
Key words: moderately thermophilic acidophilic bacterium; biochemical and physiological characteristics; phylogenetic analysis; chalcopyrite
......SEPARATION OF PYRITE FROM CHALCOPYRITE WITH ORGANIC DEPRESSANT CTP
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来源: 《中国有色金属学报(英文版)1998年第1期》——Chen Jianhua Feng Qiming Ou Leming
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......
of chalcopyrite YIN Hua-qun(尹华群), QIU Guan-zhou(邱冠周), WANG Dian-zuo(王淀佐), CAO Lin-hui(曹琳辉), DAI Zhi-min(戴志敏), WANG Jie-wei(王杰伟), LIU Xue-duan(刘学端) (School of Minerals Processing and Bioengineering... (Dexing Copper Mine, Qibaoshan Copper Mine and Yaogangxian Tungsten Mine, China) were analyzed using 16S rDNA PCR-RFLP approach. The efficiencies of chalcopyrite bioleaching were compared using......
工业冷却塔流体力学辨义和应用彭昕摘 要:通过对流体力学应用于冷却塔的一些基本概念的辨义与研究,阐述了冷却塔中特殊的空气动力特性和不同截面的压力关系,对冷却塔风机全压,静压,动压的关系式及动能回收的计算方法进行了推导,提出了物理意义明确的计算式,适宜于冷却塔工程设计,现场测试以及产品开发的计算应用.关键词:冷却塔;流体力学;概念辨义;风压特性;动能回收;......
基于流体力学的煤矿排水管路分析吴东明河南煤化鹤煤集团摘 要:笔者从流体力学的角度分析了煤矿井下排水泵扬程,电动机有效功率与排水管内壁粗糙(结垢)的关系,管内壁粗糙(结垢)对排水管路沿程阻力和局部阻力损失的影响.说明了煤矿井下现场使用中,由于管内壁附着积垢随着使用年限的增加而逐年增加,排水管路阻力增大,使得水泵排水效率降低,电动机功率增大,经过化学法清洗后,排水效率提高提高,节约了电能.关键词:排水管路;管内壁粗糙;水泵扬程及效率;化学法清洗;......
Mechanochemical leaching of chalcopyrite concentrate by sulfuric acidFarhad Khorramshahi Mohammadabad1,Sina Hejazi2,Jalil Vahdati khaki1,Abolfazl Babakhani11. Materials and Metallurgical Engineering...="ChDivSummary">This study aimed to introduce a new cost-effective methodology for increasing the leaching efficiency of chalcopyrite concentrates at ambient temperature and pressure. Mechanical......
; 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......
for Nonferrous Metals摘 要:This study is to assess the effect of magnesiumrich gangue dissolution on the ore containing chalcopyrite and carrollite from Democratic... stable, much less than that when Mg2concentration is below 20 gáL-1. Meanwhile, the extractions of Cu2and Co2from chalcopyrite with carrollite obviously inhibited by Mg2concentration of over20 gáL-1were......