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Author:

王卫东 (王卫东.) | 郝瑞霞 (郝瑞霞.) | 张晓娴 (张晓娴.) | 万京京 (万京京.) | 钟丽燕 (钟丽燕.)

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Abstract:

针对污水中磷的去除问题,采用优化后的恒定pH值共沉淀法制备了Mg/Al-layered double hydroxides(Mg/Al-LDHs),经高温焙烧得到高效磷吸附剂Mg/Al-layered double oxide(Mg/Al-LDO);在对其吸附特性研究的基础上,并结合Zeta电位、XRD、FTIR分析吸附前后材料等电点、晶体结构及层间阴离子的变化,探讨Mg/Al-LDO吸附除磷机制.结果表明,采用优化后的共沉淀法,在Mg/Al比为2∶1,焙烧温度450℃,焙烧时间2 h条件下制备出的Mg/Al-LDO对磷酸根吸附性最好,最大吸附容量可达到176.94 mg·g-1,与理论吸附容...

Keyword:

吸附特性 磷吸附剂 Mg/Al-LDO 吸附机制 制备条件

Author Community:

  • [ 1 ] 北京工业大学建筑工程学院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 :

环境科学

Year: 2017

Issue: 02

Volume: 38

Page: 572-579

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: 1

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