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author:

颜爱 (颜爱.) [1] | 卞琼 (卞琼.) [2] | 刘明华 (刘明华.) [3]

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CQVIP PKU CSCD

Abstract:

以接枝改性后的纤维素SCB为载体,采用液相还原法制备改性纤维素负载零价铁吸附剂ZVI—SCB,利用XRD、ESEM进行表征,并研究其对三氯甲烷(TCM)的去除性能.系统探讨了不同材料、ZVI—SCB投加量、TCM的初始质量浓度、pH值和氯离子质量浓度对TCM去除性能的影响.在ZVI—SCB投加量为5g/L,TCM的初始质量浓度为36.7mg/L,pH值为3.1时,TCM的去除率高达84.4%.采用准一级方程和准二级方程对ZVI—SCB去除TCM的过程进行拟合,准二级动力学方程相关系数R的范围为0.996-0.999,证明ZVI—SCB对TCM的去除过程符合二级动力学模型.

Keyword:

三氯甲烷 吸附剂 纤维素 零价铁

Community:

  • [ 1 ] 福州大学环境与资源学院,福建福州350108
  • [ 2 ] 福建省生物质资源化技术开发基地,福建福州350108

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Source :

中国环境科学

ISSN: 1000-6923

Year: 2014

Issue: 1

Page: 105-110

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: -1

30 Days PV: 3

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