Preparation of short channels SBA-15-PVC membrane and its adsorption properties for removal of uranium(VI)

被引：25

作者：

Gao, Meng-Wei ^{[1
]}

Zhu, Gui-Ru ^{[1
]}

Wang, Xing-Hui ^{[1
]}

Wang, Pan ^{[1
]}

Gao, Cong-Jie ^{[1
]}

机构：

[1] Ocean Univ China, Coll Chem & Chem Engn, Qingdao 266100, Peoples R China

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2015年 / 304卷 / 02期

基金：

中国国家自然科学基金;

关键词：

SBA-15; Short channels; PVC membrane; Uranium; Adsorption; AQUEOUS-SOLUTION; MESOPOROUS SILICA; TRANSPORT; SORPTION; SEPARATION; ION; VI; PRECONCENTRATION; EXTRACTION; URANYL;

D O I：

10.1007/s10967-014-3862-y

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The mesoporous silica SBA-15 with short channels was prepared and added into the solution of polyvinyl chloride (PVC) to form the SBA-15-PVC membrane via the phase-inversion process. Under the optimized preparation conditions with 5 (wt%) of SBA-15 and 10 (wt%) of PVC, the adsorption capacity of uranium( VI) can reach 2,519.8 mg/m(2) at pH 6. Nine repeated adsorption-desorption cycles were carried out, and the adsorption capacity is almost kept the same in the last eight cycles. Therefore, SBA-15-PVC membrane could be as a promising adsorbent for uranium(VI) from aqueous solutions with large adsorption capacity and reusability.

引用

页码：675 / 682

页数：8

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