Adsorption of Cu2+ and Zn2+ by extracellular polymeric substances (EPS) in different sludges: Effect of EPS fractional polarity on binding mechanism
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- 作者：Liangliang Weia ; Yang Lia ; Daniel R. Noguerab ; Ningbo Zhaoa ; Yue Songa ; Jing Dinga ; Qingliang Zhaoa ; zhql1962@163.com" class="auth_mail" title="E-mail the corresponding author ; Fuyi Cuia
- 关键词：Sludge EPS ; Heavy metals ; Adsorption ; Fractionation ; Kinetics
- 刊名：Journal of Hazardous Materials
- 出版年：2017
- 出版时间：5 January 2017
- 年：2017
- 卷：321
- 期：Complete
- 页码：473-483
- 全文大小：3047 K
文摘
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Anaerobic granular sludge adsorbed more Zn and Cu than other two sludges.
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Hydrophilic EPS of anaerobic granular sludge adsorbed more Zn and Cu than HPO-A.
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Freundlich model for hydrophilic EPS adsorption while Langmuir equation for HPO-A EPS.
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Amides 2 group was essential for heavy metals adsorption of anaerobic granular sludge.