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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...
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中国环境科学
Year: 2018
Issue: 04
Volume: 38
Page: 1295-1303
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SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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Chinese Cited Count:
30 Days PV: 12
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