Adsorption of phenolic compounds on micro- and mesoporous rice husk-based active carbons

被引：34

作者：

Qi, JR ^{[1
]}

Li, Z ^{[1
]}

Guo, YP ^{[1
]}

Xu, HD ^{[1
]}

机构：

[1] Jilin Univ, Coll Chem, Changchun 130023, Peoples R China

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2004年 / 87卷 / 01期

关键词：

rice husk; active carbon; adsorption; phenolic compounds;

D O I：

10.1016/j.matchemphys.2004.05.008

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The removal of phenolic compounds from aqueous medium by rice husk-based active carbons (RHCs) was first demonstrated. Factors of influence on the RHCs adsorbability were examined in detail. Two series of RHCs were derived by KOH-activation and NaOH-activation at different temperatures for various time, respectively. The difference in the adsorption performance for phenolic compounds were compared and elucidated by their pore size distribution, surface functional groups and the electric capacity, the results showed that the adsorption mainly took place on the external surface and was controlled by chemisorption and increased with the total density of carboxylic and lactonic. (C) 2004 Published by Elsevier B.V.

引用

页码：96 / 101

页数：6

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