Adsorption of organic pollutants from effluents of a Kraft pulp mill on activated carbon and polymer resin

被引：118
|
作者：
Zhang, QL [1 ]
Chuang, KT [1 ]
机构：
[1] Univ Alberta, Dept Chem & Mat Engn, Edmonton, AB T6G 2G6, Canada
来源：
ADVANCES IN ENVIRONMENTAL RESEARCH | 2001年 / 5卷 / 03期
关键词：
activated carbon; resin; bleach plant effluent; adsorption; wastewater treatment; pH;
D O I：
10.1016/S1093-0191(00)00059-9
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Adsorption of acidic bleach plant effluent on activated carbon and a polymer resin (polystyrene divinylbenzene copolymer) was studied at ambient conditions. The adsorption isotherms can be well described using the Freundlich equation. The pH of the wastewater solution influences significantly the adsorption capacity of activated carbon. The maximum adsorption capacity for total organic carbon (TOC) on both activated carbon and the selected resin was obtained at pH 2. The resin is more effective than activated carbon in color removal from pulp mill effluents. The TOC adsorption capacity of the resin can be fully restored by washing with sodium hydroxide solution. Other factors influencing the adsorption capacity are also discussed. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：251 / 258
页数：8
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