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JSIR Vol.68(01) [January 2009] >


Title: Synthesis and adsorption property of hypercross-linked sorbent
Authors: Dongguang, Li
Yanli, Zhang
lei, Zhang
Keywords: Adsorption
Benzene
Kinetics
Sorbent
Thermodynamics
Issue Date: Jan-2009
Publisher: CSIR
Abstract: A novel hypercross-linked fiber sorbent (HFS) was prepared by cross-linking polypropylene grafted styrene-divinylbenzene (PP-ST-DVB) fiber with p-xylylenedichloride using Friedel-Crafts (F-C) reaction. A series of synthesis tests were conducted and effects of reaction temperature, reaction time, catalyst type, and material ratio on F-C reaction were investigated. Compared with PP-ST-DVB fiber, HFS has an excellent adsorption capacity for benzene vapor. Adsorption equilibrium for benzene vapor on HFS was measured at 298, 323 and 348K by a static volumetric technique. Isosteric heat curve, derived from equilibrium data, indicated that HFS has an energetically heterogeneous surface. HFS showed faster adsorption rate and higher adsorption capacity than that of PP-ST-DVB fiber.
Page(s): 52-56
ISSN: 0022-4456
Source:JSIR Vol.68(01) [January 2009]

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