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《Bulletin of the Chinese Ceramic Society》 2013-11
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Synthesis of SiO_2/α-Fe_2O_3 Porous Structure and Cr( VI) Adsorption Property

WANG Wei-wei;YAO Jia-liang;School of Materials Science and Engineering,Shandong University of Technology;Editorial Department of Journal ( Natural Science Edition) ,Shandong University of Technology;  
Fabricating porous structures is an effect method to improve its performance in heavy metal adsorption. In this study,SiO2/β-FeOOH core shell structures were prepared by stober method. The influences of the mol ratio of tetraethylorthosilicate to ammonia and the coating times on the thickness of SiO2 layer were investigated. After calcination at 500 ℃,SiO2/ α-Fe2O3 porous structures were obtained and showed great adsorption property. Their adsorption activities were determined using Cr(VI) aqueous solution. The kinetic removal of Cr(VI),the equilibrium adsorption isotherm,and the influences of the thickness of SiO2 layer were studied. SiO2/α-Fe2O3porous structures with the thickness of SiO2 layer of 50 nm exhibited better Cr(VI) adsorption property.
【Fund】: 山东省自然科学基金资助项目(ZR2010EM059);; 山东理工大学青年教师发展支持计划(4072:110019)
【CateGory Index】: X703
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【Citations】
Chinese Journal Full-text Database 3 Hits
1 HAO Jian-wen1,CHAI Duo-li2,YANG Bao-jun2(1.Department of Chemical Engineering,Anhui Vocational and Technical College,Hefei 230011,China; 2.School of Chemical Engineering,Hefei University of Technology,Hefei 230009,China);Adsorption Equilibrium and Kinetics of Adsorbing Lead Ion on Nanoflake Magnesium Hydroxide[J];Bulletin of the Chinese Ceramic Society;2012-05
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1 ZHU Wei-jie1,FAN Hai-hong1,LI Bin-bin1,LI Wen2,YANG Kang1 (1.College of Materials and Mineral Resources,Xi'an University of Architecture and Technology,Xi'an 710055,China;2.College of Mechanical and Electrical Engineering,Xi'an University of Architecture and Technology,Xi'an 710055,China);Curing of Heavy Metals in Cement Clinker and the Impact on Burnability and Mineral Composition[J];Bulletin of the Chinese Ceramic Society;2013-05
2 LIU Jing;WANG Lan;KAO Hong-tao;WANG Xin;College of Materials Science and Engineering,Nanjing University of Technology;State Key Laboratory of Green Building Materials,China Buliding Materals Academy;;Effect of Heavy Metal Ions on Structure and Morphology of C-S-H Gel[J];Bulletin of the Chinese Ceramic Society;2013-09
3 WANG Yue;WANG Lan;WANG Xin;Research Institute of Cement and New Building Materials,China Buliding Materals Academy;State Key Laboratory of Green Building Materials;;Incorporation Features of Cu~(2+)、Zn~(2+)、Cr~(6+)、Cd~(2+) and Pb~(4+) Ions in Cement Clinker[J];Bulletin of the Chinese Ceramic Society;2013-09
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7 ZHOU ShiMin;CHEN BaiHua;LI Yuan;GUO JingWei;CAI XiaoJiao;QIN Zhi;BAI Jing;NA Ping;School of Chemical Engineering and Technology,Tianjin University;Institute of Nuclear physics and chemistry,Chinese Academy of Engineering Physics;Institute of Modern Physics,Chinese Academy of Sciences;;Synthesis, characterization, thermodynamic and kinetic investigations on uranium(Ⅵ) adsorption using organic-inorganic composites: Zirconyl-molybdopyrophosphate-tributyl phosphate[J];中国科学:化学(英文版);2013-11
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