Article ID Journal Published Year Pages File Type
578194 Journal of Hazardous Materials 2012 8 Pages PDF
Abstract
► Arsenate immobilization upon microbial Fe2+ oxidation in acid sulfate water was investigated. ► The schwertmannite model was invalid for explaining the process in the complex acid sulfate water. ► Arsenate was initially removed through co-precipitation of non-Fe metals, arsenate and phosphate. ► Followed by formation of mixed Fe, arsenate and phosphate phases after sufficient Fe3+ was produced. ► The last step involved surface complexation with HAsO42− being the dominant adsorbed As species.
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Physical Sciences and Engineering Chemical Engineering Chemical Health and Safety
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