Recovery of U(VI) from simulated wastewater with thermally modified palygorskite beads

被引：12

作者：

Zhou, Aixia ^{[1
]}

Wang, Jinsheng ^{[1
]}

机构：

[1] Beijing Normal Univ, Coll Water Sci, Beijing 100088, Peoples R China

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2018年 / 318卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Palygorskite(Pal); Sodium alginate; Adsorption; Uranium; Wastewater; FIXED-BED COLUMN; AQUEOUS-SOLUTION; HEAVY-METALS; URANIUM VI; SODIUM ALGINATE; ADSORPTION; REMOVAL; ATTAPULGITE; SORPTION; IONS;

D O I：

10.1007/s10967-018-6163-z

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Natural palygorskite has a restricted adsorption capacity. The uranium ion removal ability of thermally modified palygorskite (T/Pal) beads from simulated wastewater was evaluated. T/Pal and T/Pal beads were characterized by several analytical methods. The influence of pH, contact time, temperature, and initial U(VI) concentration on the adsorption of T/Pal beads was investigated. The adsorption efficiency of U(VI) by T/Pal beads reached 99% within 20min and the adsorption capacity was 20.23mgg(-1) at 313K. The reusability of T/Pal bead was demonstrated by five sorption-desorption cycles. T/Pal beads are promising, economical adsorbents for the recovery of U(VI), and for radioactive wastewater decontamination.

引用

页码：1119 / 1129

页数：11

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