REMOVAL OF HEXAVALENT CHROMIUM USING SPHAGNUM MOSS PEAT

被引：324

作者：

SHARMA, DC ^{[1
]}

FORSTER, CF ^{[1
]}

机构：

[1] UNIV BIRMINGHAM,SCH CIVIL ENGN,EDGBASTON,ENGLAND

来源：

WATER RESEARCH | 1993年 / 27卷 / 07期

关键词：

PEAT; HEXAVALENT CHROMIUM ADSORPTION;

D O I：

10.1016/0043-1354(93)90012-7

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Batch adsorption studies have shown that sphagnum moss peat, which is essentially oligotrophic, in concentrations ranging from 4 to 40 g/l can be used effectively to remove hexavalent chromium from aqueous solutions. The process is pH dependent, the optimum range being 1.5-3. Treatment of the exhausted peat with 1 M NaOH removed only 50% of the sorbed metal, suggesting that the binding to the peat involved strong chemisorption forces.

引用

页码：1201 / 1208

页数：8

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