Effective As(III) and As(V) immobilization from aqueous solution by nascent ferrous hydroxide colloids (FHC)

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• 作者：Zhipan Wen^a ; ^b ; Yalei Zhang^b ; ^{zhangyalei@tongji.edu.cn} ; Xuefei Zhou^b ; Rong Chen^a ; ^{rchenhku@hotmail.com}
• 关键词：Nascent FHC ; Arsenic immobilization ; Redox transformation ; Mineral transformation ; Mechanism
• 刊名：Separation and Purification Technology
• 出版年：2017
• 出版时间：4 April 2017
• 年：2017
• 卷：176
• 期：Complete
• 页码：395-401
• 全文大小：1496 K
• 卷排序：176

文摘

Lower dosage of nascent FHC showed higher uptake of As(III) than that of As(V). As(III) could be effectively removed directly by FHC without a pre-oxidation step. Redox transformation of arsenic in liquid-solid phase was simultaneously explored. Mineral transformation of nascent FHC contributed to the As(III) oxidation.