RECOVERY OF URANIUM BY IMMOBILIZED POLYHYDROXYANTHRAQUINONE

被引：36

作者：

SAKAGUCHI, T

NAKAJIMA, A

机构：

[1] Miyazaki Medical Coll, Miyazaki, Jpn, Miyazaki Medical Coll, Miyazaki, Jpn

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 1986年 / 21卷 / 05期

关键词：

HEAVY METALS - Adsorption - RADIOACTIVE MATERIALS - Separation - SEAWATER - URANIUM COMPOUNDS;

D O I：

10.1080/01496398608056132

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Nine species of polyhydroxyanthraquinone and two of polyhydroxynaphthoquinone were screened to determine which have the greatest ability to accumulate uranium. To improve the adsorbing characteristics of these compounds, these compounds were immobilized by coupling with diazotized aminopolystyrene. The immobilized 1,2-dihydroxyanthraquinone has the most favorable features for uranium recovery; high selective adsorption ability to uranium, rapid adsorption rate, and applicability in both column and batch systems. This adsorbent can recover uranium almost quantitatively from natural seawater. Almost all uranium adsorbed is desorbed with a solution of 1 N HCl. Thus, immobilized 1,2-dihydroxyanthraquinone can be used repeatedly in the adsorption-desorption process.

引用

页码：519 / 534

页数：16

共 20 条

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