期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 121, 期 1-3, 页码 233-241出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2004.10.027
关键词
phenolic compounds; adsorption isotherm; polymeric adsorbent; amination; site energy distribution
Adsorption of phenolic compounds from aqueous solution to a macroporous polymeric adsorbent (CHA-111), its animated derivative (MCH-111) and a reference weakly anion exchanger (ND-900) was studied. Experimental results indicated that amino functional groups on the polymeric matrix play an important role in phenol adsorption by MCH-111 and ND-900, which was attributed to the formation of hydrogen bonding between the phenol molecule and the amino group on the polymeric matrix. The semi-empirical Freundlich isotherm equation and its reduced form were employed to interpret the adsorption behavior. A site energy distribution model based on the Polanyi adsorption potential theory can elucidate the adsorption mechanism reasonably. (c) 2005 Elsevier B.V. All rights reserved.
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