标题:Respirometry studies of bioleaching of low-grade chalcopyrite ore using six acidophilic strains
作者:Jian Song;Peter D. Franzmann;Jianqiang Lin
通讯作者:Kaksonen, AH
作者机构:[Song, J] CSIRO Land and Water, Underwood Avenue, Floreat, WA 6014, Australia, State Key Lab of Microbial Technology, Shandong University, Jinan 25010 更多
会议名称:Bio and Hydrometallurgy
会议日期:NOV, 2010
来源:Minerals Engineering
出版年:2011
卷:24
期:11
页码:1139-1145
DOI:10.1016/j.mineng.2011.03.011
关键词:Bioleaching;Biotechnology;Sulphide ores
摘要:Respirometry was used to study the growth and activity of six pure cultures of acidophilic bioleaching strains grown on a concentration series of low-grade chalcopyrite ores under various pH conditions. Sulf-olobus metallicus, Acidithiobacillus ferrooxidans, Acidianus brierleyi and Leptospirillum ferriphilum were able to grow on a very low-grade ore (equivalent to 0.1% Cu content). However, the two sulphur-oxidising bacteria Acidithiobacillus caldus and Acidithiobacillus thiooxidans grew poorly on the low-grade ore. Growth rates of all strains, except for perhaps S. metallicus at highest ore grades, displayed growth that was limited by substrate availability on this low-grade ore (0.5% Cu content in the ore). The decrease in solution pH from 3.0 to 1.0 enhanced both the cell growth and Cu dissolution.
收录类别:CPCI-S;EI;SCOPUS;SCIE
WOS核心被引频次:3
Scopus被引频次:4
资源类型:会议论文;期刊论文
原文链接:https://www.scopus.com/inward/record.uri?eid=2-s2.0-79961028796&doi=10.1016%2fj.mineng.2011.03.011&partnerID=40&md5=d341f7db1b8f606bd7772c4ac1228419
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