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
收藏
页码：1201 / 1208
页数：8
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