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基于竹炭基活性炭电极的电吸附去离子性能的研究

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成果类型:
期刊论文
作者:
张玲;曹忠;陈平;崔正丹;盛智勇;...
通讯作者:
Zhang, L.
作者机构:
[陈平; 张玲; 崔正丹; 曹忠; 盛智勇] School of Chemistry and Environmental Engineering, Changsha University of Science and Technology, Changsha 410076, China
[徐芬; 孙立贤] Materials and Thermochemistry Laboratory, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
通讯机构:
[Zhang, L.] S
School of Chemistry and Environmental Engineering, Changsha University of Science and Technology, China
语种:
中文
关键词:
竹炭;活性炭电极;电吸附;电容去离子;金属离子
关键词(英文):
Activated carbon electrode;Bamboo char;Capacitive deionization;Electrosorption;Metal ion
期刊:
功能材料
ISSN:
1001-9731
年:
2008
卷:
39
期:
10
页码:
1727-1730
基金类别:
国家自然科学基金资助项目(20775010,50671098) 湖南省科技计划资助项目(2007GK3038) 湖南省教育厅科学研究基金资助项目(06C098,07C098)
机构署名:
本校为第一且通讯机构
院系归属:
化学与生物工程学院
摘要:
在高温和空气隔绝的条件下利用竹节炭化制备高比表面积活性炭,以竹炭基活性炭作电极的吸附材料,考察了活性炭电极在通电的情况下对溶液中金属离子的电吸附去除性能,详细研究了电压、两电极片间距和溶液的PH值对电容去离子效果的影响。结果表明,当电压为1.55V、电极片间距为2.0cm、pH值为5.16时,电极的去离子性能达到最佳状态,对不同类型金属离子的去除效果次序分别为:Cu~(2+)〉Cr~(2+);Cu~(2+)〉Pb~(2+)〉Cr~(3+)〉Cd~(2+)〉Ca~(2+)〉Mg~(2+);Na~+〉K~+。
摘要(英文):
The high surface specific area activated carbon was prepared by bamboo char that was in carbonization under high temperature and air isolation, which was used as the absorption material of the activated bamboo carbon electrode. The electrosorptive deionization ability of the electrode to metal ions in solution was examined under electric voltage applied. The effects of capacitive deionization on the applied voltage, the distance between the electrode plates and pH value of solution have been investigated in detail. It showed that the electrode possessed an optimal deionization ability while at...

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