Rational design and synthesis of monodispersed hierarchical SiO2@layered double hydroxide nanocomposites for efficient removal of pollutants from aqueous solution

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成果类型：

期刊论文

作者：

Yang, Dongxu;Song, Shuang;Zou, Yidong;Wang, Xiangxue;Yu, Shujun;...

通讯作者：

Wang, Hongqing;Wang, Xiangke

作者机构：

[Wang, Xiangke; Wang, Hongqing; Yang, Dongxu] Univ South China, Sch Chem & Chem Engn, 28 Changsheng West Rd, Hengyang 421001, Hunan, Peoples R China.

[Wang, Xiangke; Wen, Tao; Yang, Dongxu; Wang, Xiangxue; Song, Shuang; Wang, HQ; Wang, XK; Zou, Yidong; Yu, Shujun] North China Elect Power Univ, Sch Environm & Chem Engn, Beijing 102206, Peoples R China.

[Wang, Xiangke; Hayat, Tasawar; Alsaedi, Ahmed] King Abdulaziz Univ, Fac Sci, NAAM Res Grp, Jeddah 21589, Saudi Arabia.

[Wang, Xiangke; Wang, Hongqing; Wen, Tao; Yang, Dongxu; Wang, Xiangxue; Song, Shuang; Zou, Yidong; Hayat, Tasawar; Alsaedi, Ahmed; Yu, Shujun] Soochow Univ, Sch Radiol & Interdisciplinary Sci, Jiangsu Higher Educ Inst, Collaborat Innovat Ctr Radiat Med, Suzhou 215123, Peoples R China.

通讯机构：

[Wang, HQ; Wang, XK] N

North China Elect Power Univ, Sch Environm & Chem Engn, Beijing 102206, Peoples R China.

语种：

英文

关键词：

Layered double hydroxides;Methyl orange;SiO2@LDH;Sorption;U(VI)

期刊：

Chemical Engineering Journal

ISSN：

1385-8947

年：

2017

卷：

323

页码：

143-152

DOI：

10.1016/j.cej.2017.03.158

基金类别：

This work was supported by National Natural Science Foundation of China (21577032, 21403064, 91326202), the Fundamental Research Funds for the Central Universities (JB2015001), the Furong Scholarship of Hunan Province, and the Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection and the Priority Academic Program Development of Jiangsu Higher Education Institutions. X. Wang acknowledges the CAS Interdisciplinary Innovation Team of Chinese Academy of Sciences.

机构署名：

本校为第一机构

院系归属：

化学化工学院

摘要：

Hierarchical silicon dioxide-@-layered double hydroxide (SiO2@LDH) nanocomposites were synthesized by a facile in situ co-precipitation method, and characterized by XRD, FESEM, FT-IR and XPS in detail. The sorption of uranium (U(VI)) and methyl orange (MO) on SiO2@LDH were investigated as a function of pH, ionic strength, contact time and temperature. The results indicated that the sorption of U(VI) and MO were strongly dependent on pH, and weakly dependent on ionic strength, demonstrating that the interaction of U(VI) was mainly dominated by i...

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Rational design and synthesis of monodispersed hierarchical SiO2@layered double hydroxide nanocomposites for efficient removal of pollutants from aqueous solution

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