Effect of Ethylenediamine-N,N′-disuccinic acid (EDDS) on the speciation and bioavailability of Fe²⁺ in the presence of sulfide in anaerobic digestion

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• 作者：Pham Minh Thanh^a ; ^b ; Balachandran Ketheesan^b ; Zhou Yan^b ; ^c ; David Stuckey^b ; ^{d.stuckey@imperial.ac.uk}
• 关键词：Chelating agent ; Metal speciation ; Metal bioavailability ; Sulfide ; Anaerobic digestion
• 刊名：Bioresource Technology
• 出版年：2017
• 出版时间：April 2017
• 年：2017
• 卷：229
• 期：Complete
• 页码：169-179
• 全文大小：2115 K
• 卷排序：229

文摘

Speciation and bioavailability of Fe2+ was determined at steady state conditions. Sulfide precipitated Fe2+ as FeS and hence reduced the performance of the SAMBR. EDDS was able to compete with sulfide and improve Fe2+ bioavailability in a SAMBR.