Uranium extraction from a low-grade, stockpiled, non-sulfidic ore: Impact of added iron and the native microbial consortia

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• 作者：Xabier Vá ; zquez-Campos^a ; Andrew S. Kinsela^a ; Richard N. Collins^a ; Brett A. Neilan^b ; ^{brett.neilan@newcastle.edu.au} ; T. David Waite^a ; ^{d.waite@unsw.edu.au}
• 刊名：Hydrometallurgy
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：167
• 期：Complete
• 页码：81-91
• 全文大小：1615 K
• 卷排序：167

文摘

Natural weathering of low-grade stockpiled ore may alter U oxidation state. Fe(III) enhances U recovery through oxidation, possibly aided by ion exchange processes. Native microbial community continuously oxidises Fe(II) in the absence of sulfides. Fe-oxidisers different to those found in mesophilic sulfidic ore leaching Major differences exist between benthic and planktic bacteria.