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moderately with the increase of the porosity ranging from 6.2% to 9.25%, and increased rapidly with porosity from 9.25% to 12.8%.The coupling effect mainly embodied in disappeared mutation point of capillary......
and reductive dissolution of ferric iron-containing minerals by moderately thermophilic iron-oxidizing bacteria[J]. Applied Environmental Microbiology, 1998, 64(6): 2181-2190. [11] Johnson D B, Bridge T...] Rawling D E. The molecular genetics of Thiobacillus ferrooxidans and other mesophilic, acidophilic, chemolithotrophic iron- or sulfur-oxidizing bacteria[J]. Hydrometallurgy, 2001, 59(2/3): 187-201......
and moderately thermophilic acidophilic consortium enriched from same copper mine water sample[J]. Bioresource Technology, 2008, 99(17): 8331-8336. [18] JOHNSON D B, GHAURI M A, SAID M F. Isolation and characterization of an acidophilic, heterotrophic bacterium capable of oxidizing ferrous iron[J]. Applied and Environmental Microbiology, 1992, 58: 1423-1428. [19] VIRAMONTES-GAMBOA G, RIVERA-VASQUEZ......
P, ZENG W, XIE Y, WU C, QIU G. Isolation and characterization of Ferroplasma thermophilum sp nov., a novel extremely acidophilic, moderately thermophilic archaeon and its role in bioleaching...Trans. Nonferrous Met. Soc. China 27(2017) 1150-1155 Transformation of iron in pure culture process of extremely acidophilic microorganisms Jing-hua FANG1, Yong LIU1, Wan-li HE1,2,3, Wen-qing QIN2,3......
难处理金矿预氧化高效嗜热菌的选育研究 宋永胜1,姚国成1,温建康1,阮仁满1 (1.北京有色金属研究总院矿物资源与冶金材料研究所,北京,100088) 摘要:采集南方某煤矿酸性矿坑水并从中选育分离出一株中等嗜热菌;利用分子生物学鉴定方法确定其为Sulfobacillus属, 典型种为Sulfobacillus thermosulfidooxidans. 将该菌株应用于黄铁矿单体矿物的氧化, 通过扫描电镜观察发现, 黄铁矿浸出前颗粒完整,结构致密, 经预氧化后, 结构疏松, 形成空洞和裂纹, 黄铁矿致密结构被破坏;经过16 d生物预氧化, 单体黄铁矿被氧化60%以上, 达到暴露单体金的目的......
the pure and mixed moderate thermophilic acidophilic microorganisms to leach pyrite in bioreactors operating at a constant pH and optimized the microbial composition in the mixed leaching system using.... Biooxidation of pyrite by defined mixed cultures of moderately thermophilic acidophiles in pH controlled bioreactors: Significance of microbial interactions [J]. Biotechnology and Bioengineering, 2004, 87(5......
at temperatures in the range of 30-40 °C. These sulphides are much more easily dissolved by extremely thermophilic bacteria compared to mesophilic and moderately thermophilic bacteria. However... of silver. If the concentrate contains silver, it will have a negative impact on the thermophiles’ growth [18]. Leaching by moderately thermophilic and extremely thermophilic bacteria requires higher energy......
. (in Chinese) [13] MARHUAL N P, PRADHAN N, KAR R N, SUKLA L B, MISHRA B. Differential bioleaching of copper by mesophilic and moderately thermophilic acidophilic consortium enriched from same copper.... Analysis of community composition during moderately thermophilic bioleaching of pyrite, arsenical pyrite, and chalcopyrite [J]. Microbial Ecology, 2004, 48(1): 19-28. [18] POGLIANI C, DONATI E......
or A. f.) growth [13,14]. A. ferrooxidans, an acidophilic chemolithoautotrophic bacterium that obtains energy through oxidation of ferrous species and reduced sulfur compounds, is the most widely... W, QIU G. Effect of redox potential on bioleaching of chalcopyrite by moderately thermophilic bacteria: An emphasis on solution compositions [J]. Hydrometallurgy, 2015, 151: 141-150. [9] MA Y L, LIU H......
transformation range in steel with comparatively low carbon and silicon contents. Retained austenite is blocky and very fine and moderately stabilized due to C enrichment. The elongation......
