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Author:

万京京 (万京京.) | 郝瑞霞 (郝瑞霞.) | 马静雨 (马静雨.) | 王丽沙 (王丽沙.) | 刘思远 (刘思远.)

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Abstract:

针对污水厂尾水脱氮除磷问题,采用共沉淀法制备了镁铝铁类水滑石(Mg/Al/Fe–LDHs),在450℃下焙烧3h得到焙烧态类水滑石(Mg/Al/Fe–LDO).研究了Fe(Ⅲ)掺杂对Mg/Al-LDO吸附氮磷的影响及吸附特性.结果表明,当Mg/Al/Fe物质的量比为3:0.6:0.4时,Mg/Al/Fe-LDO对氮磷吸附性能较好,最大吸附容量分别为28.57mg/g和231.46mg/g.吸附过程均符合Langmuir吸附等温模型,拟合相关系数(R~2)达到0.99以上.根据XRD、FTIR的表征结果可以推断,Mg/Al/Fe–LDO是通过"记忆效应"、静电引力作用完成对氮磷的吸附,对磷的吸附...

Keyword:

吸附机理 吸附 Mg/Al/Fe–LDO 吸附特性 Fe(Ⅲ)掺杂

Author Community:

  • [ 1 ] 北京工业大学北京市水质科学与水环境恢复工程重点实验室

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Source :

中国环境科学

Year: 2018

Issue: 04

Volume: 38

Page: 1295-1303

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 12

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