Polymer-coated nanoporous carbons for trace seawater uranium adsorption

Polymer-coated mesoporous carbon nanocomposites were prepared from the immobilization of acrylonitrile and acrylic acid copolymers with divinylbenzene as a crosslinker onto a mesoporous carbon framework. High surface areas were maintained after polymerization with accessible porosity. This functiona...

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Published inScience China. Chemistry Vol. 56; no. 11; pp. 1510 - 1515
Main Authors Yue, YanFeng, Sun, XiaoGuang, Mayes, Richard T., Kim, Jungseung, Fulvio, Pasquale F., Qiao, ZhenAn, Brown, Suree, Tsouris, Costas, Oyola, Yatsandra, Dai, Sheng
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 01.11.2013
Springer Nature B.V
Subjects
Acrylic acid
Adsorption
Carbon
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Copolymers
Divinylbenzene
Nanocomposites
Polymer coatings
Polymers
Seawater
Surface area
Surface chemistry
Uranium
丙烯酸共聚物
吸附剂
多孔碳
微量铀
比表面积
海水
纳米复合材料
聚合物涂层
copolymerization
nanocomposite
mesoporous carbon
seawater uranium adsorption
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Summary:Polymer-coated mesoporous carbon nanocomposites were prepared from the immobilization of acrylonitrile and acrylic acid copolymers with divinylbenzene as a crosslinker onto a mesoporous carbon framework. High surface areas were maintained after polymerization with accessible porosity. This functional nanocomposite was tested as an adsorbent for uranium from high salinity solutions. Uranium adsorption results have shown that the adsorption capacities are strongly influenced by the density of the amidoxime groups and the specific surface area.
Bibliography:Polymer-coated mesoporous carbon nanocomposites were prepared from the immobilization of acrylonitrile and acrylic acid copolymers with divinylbenzene as a crosslinker onto a mesoporous carbon framework. High surface areas were maintained after polymerization with accessible porosity. This functional nanocomposite was tested as an adsorbent for uranium from high salinity solutions. Uranium adsorption results have shown that the adsorption capacities are strongly influenced by the density of the amidoxime groups and the specific surface area.
mesoporous carbon, nanocomposite, copolymerization, seawater uranium adsorption
11-5839/O6
USDOE Office of Nuclear Energy (NE)
DE-AC05-00OR22725
ISSN:1674-7291
1869-1870
DOI:10.1007/s11426-013-4995-5