The use of graphene oxide membranes for the softening of hard water

被引：14
|
作者：
Liang JiaJie [1 ]
Huang Yi [1 ]
Zhang Fan [1 ]
Zhang Yi [1 ]
Li Ning [1 ]
Chen YongSheng [1 ]
机构：
[1] Nankai Univ, Ctr Nanoscale Sci & Technol, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Key Lab Funct Polymer Mat,Inst Polymer Chem,Coll, Tianjin 300071, Peoples R China
来源：
SCIENCE CHINA-TECHNOLOGICAL SCIENCES | 2014年 / 57卷 / 02期
基金：
中国国家自然科学基金;
关键词：
graphene oxide membranes; soften hard water;
D O I：
10.1007/s11431-014-5467-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Strong chemical interactions between the oxygen-containing functional groups on graphene oxide (GO) sheets and the ions of divalent metals were exploited for the softening of hard water. GO membranes were prepared and evaluated for their ability to absorb Ca2+ and Mg2+ ions. These GO membranes can effectively absorb Ca2+ ions from hard water; a 1 mg GO membrane can remove as much as 0.05 mg Ca2+ ions. These GO membranes can be regenerated and used repeatedly.
引用
收藏
页码：284 / 287
页数：4
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