金属硫化物的细菌浸出通过两种间接机制进行，一种是通过硫代硫酸盐，另一种是通过多硫化物和硫。
Bacterial leaching of metal sulfides proceeds by two indirect mechanisms via thiosulfate or via polysulfides and sulfur.
作者信息
Schippers A, Sand W
机构信息
Abteilung Mikrobiologie, Institut fur Allgemeine Botanik, Universit at Hamburg, D-22609 Hamburg, Germany.
出版信息
Appl Environ Microbiol. 1999 Jan;65(1):319-21. doi: 10.1128/AEM.65.1.319-321.1999.
Abstract
The acid-insoluble metal sulfides FeS2, MoS2, and WS2 are chemically attacked by iron(III) hexahydrate ions, generating thiosulfate, which is oxidized to sulfuric acid. Other metal sulfides are attacked by iron(III) ions and by protons, resulting in the formation of elemental sulfur via intermediary polysulfides. Sulfur is biooxidized to sulfuric acid. This explains leaching of metal sulfides by Thiobacillus thiooxidans.
摘要
酸不溶性金属硫化物FeS2、MoS2和WS2会受到六水合铁（III）离子的化学侵蚀，生成硫代硫酸盐，硫代硫酸盐会被氧化成硫酸。其他金属硫化物会受到铁（III）离子和质子的侵蚀，通过中间多硫化物生成元素硫。硫会被生物氧化成硫酸。这就解释了嗜硫代硫杆菌对金属硫化物的浸出作用。
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