Biosorption of heavy metals from landfill leachate onto activated sludge

被引：22
|
作者：
Çeçen, F [1 ]
Gürsoy, G [1 ]
机构：
[1] Bogazici Univ, Inst Environm Sci, TR-80815 Istanbul, Turkey
来源：
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING | 2001年 / 36卷 / 06期
关键词：
landfill leachate; heavy metal; activated sludge; biosorption; isotherm;
D O I：
10.1081/ESE-100104126
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The removal of various heavy metals was studied when activated sludge was exposed to heavy metals in landfill leachate. Batch uptake tests were conducted for this purpose. Adsorption was the main mechanism of removal when biomass was contacted with heavy metals. Activated sludge had a high biosorption capacity and equilibrium was reached in a short time with respect to copper, iron, manganese, zinc and chromium. Adsorption isotherms were generated for those heavy metals and the Freundlich constants were calculated. Among the metals studied, manganese became very concentrated on activated sludge with time.
引用
收藏
页码：987 / 998
页数：12
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