COPPER ADSORPTION BY A SCHISTIC SOIL - APPLICATION OF SEWAGE-SLUDGE

被引：4
|
作者：
MESQUITA, ME
SILVA, JMV
DOMINGUES, H
机构：
[1] Departamento de Pedologia, Estação Agronómica Nacional, Quinta do Marquês, Oeiras
来源：
ENVIRONMENTAL TECHNOLOGY | 1994年 / 15卷 / 11期
关键词：
ADSORPTION; COPPER; SEWAGE SLUDGE; ISOTHERMS; SEQUENTIAL EXTRACTION;
D O I：
10.1080/09593339409385518
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Copper adsorption on a schistic soil and its distribution in soil fractions were studied. Copper was added either as the nitrate salt or in sewage sludge. Adsorption data fitted the Langmuir adsorption isotherm. Desorbed copper was represented by a Freundlich isotherm. In soil samples incubated with sludge, only a small amount of copper was adsorbed by the soil. In sludge and incubated soil samples the metal was adsorbed on the manganese oxides. Most of the copper from sludge was specifically adsorbed and only small amounts were transferred to the soil.
引用
收藏
页码：1089 / 1094
页数：6
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