Release of heavy metals during long-term land application of sewage sludge compost: Percolation leaching tests with repeated additions of compost

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• 作者：Wen Fang^a ; ^b ; Rossane C. Delapp^b ; David S. Kosson^b ; ^{jgliu@tsinghua.edu.cn} ; Hans A. van der Sloot^c ; Jianguo Liu^a ; ^{david.kosson@vanderbilt.edu}
• 关键词：Sewage sludge compost ; Land application ; Heavy metals ; Leaching assessment
• 刊名：Chemosphere
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：169
• 期：Complete
• 页码：271-280
• 全文大小：2715 K
• 卷排序：169

文摘

Leaching of heavy metals during repetitive land application of SSC was evaluated. Percolation and pH-dependent leaching test were used to understand the leaching behavior. Repeated additions of SSC favored the formation of reducing condition. Establishment of reducing conditions can enhance the release of accumulated As.