COMPETITIVE ACTIVATED CARBON ADSORPTION OF PHENOLIC-COMPOUNDS

被引：15
|
作者：
KNETTIG, E
THOMSON, BM
HRUDEY, SE
机构：
[1] Univ of Alberta, Edmonton, Alberta,, Can, Univ of Alberta, Edmonton, Alberta, Can
来源：
ENVIRONMENTAL POLLUTION SERIES B-CHEMICAL AND PHYSICAL | 1986年 / 12卷 / 04期
关键词：
PHENOLS - Adsorption - WATER TREATMENT - Activated Carbon;
D O I：
10.1016/0143-148X(86)90016-9
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Phenolic, and particularly chlorinated phenolic, compounds are toxic to many aquatic organisms and cause taste and odor problems. Competitive adsorption, by activated carbon, of phenolic compounds from 2- and 3-solute mixtures was studied. Phenols with 2 or 3 chlorine substituents (2,4-dichlorophenol and 2,4,6-trichlorophenol) were strongly adsorbable and adsorbed preferentially to 2-chlorophenol, phenol and m-cresol. Data generally fit Freundlich adsorption isotherms. The dichloro- and trichlorophenols adsorbed more strongly than predicted by the Polanyi-based model when in competition with other phenolics. The cumulative adsorption capacities for the mixtures containing all phenolic compounds were lower than those for individual compounds.
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页码：281 / 299
页数：19
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