The Effect of Hydrophobic Modification of Zeolites on CO<sub>2</sub> Absorption Enhancement

卢素敏; 马友光; 朱春英; 沈树华; 何清

doi:10.1016/S1004-9541(09)60029-X

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The Effect of Hydrophobic Modification of Zeolites on CO₂ Absorption Enhancement

Updated：2026-01-06

- The Effect of Hydrophobic Modification of Zeolites on CO₂ Absorption Enhancement
- Chinese Journal of Chemical Engineering Vol. 17, Issue 1, Pages: 36-41(2009)
- Affiliations：
  
  1. Department of Material and Chemical, Tianjin Polytechnic University,Tianjin,China,300160
  2. School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University,Tianjin,China,300072
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(09)60029-X
  CLC：
- Published：2009
- Accepted：
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Absorption Enhancement[J]. , 2009, 17(1): 36-41.
DOI：

Absorption Enhancement[J]. , 2009, 17(1): 36-41. DOI： 10.1016/S1004-9541(09)60029-X.

摘要

Two methods of the modification of zeolite were employed:framework element modification and surface coating

and the influence of the zeolites before and after modification on the CO

absorption was investigated.It was found that although hydrophobicity of zeolite could be obtained by means of the surficia

l organic coating in the method of surface coating modification

partial channel of zeolite would be plugged

as a result

leading to the surface area reducing greatly.Distinctively

the framework element modification method could maintain not only complete lattice structure and adsorption capability of zeolite

but would also obtain a good hydrophobic property.Consequently

significant enhancement on gas absorption by this modified zeolite was achieved and up to a maxi-mum enhancement factor of 2.62.This shows that the solid particles with good enhancement role to gas absorption need not only good adsorptive capability but also certain hydrophobicity.An unsteady heterogeneous model was employed to predict enhancement factor and the calculated results agree well with the experimental data.

Abstract

Two methods of the modification of zeolite were employed:framework element modification and surface coating

and the influence of the zeolites before and after modification on the CO

absorption was investigated.It was found that although hydrophobicity of zeolite could be obtained by means of the surficial organic coating in the method of surface coating modification

partial channel of zeolite would be plugged

as a result

leading to the surface area reducing greatly.Distinctively

the framework element modification method could maintain not only complete lattice structure and adsorption capability of zeolite

but would also obtain a good hydrophobic property.Consequently

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The Effect of Hydrophobic Modification of Zeolites on CO2 Absorption Enhancement

DOI：10.1016/S1004-9541(09)60029-X

摘要

Abstract

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The Effect of Hydrophobic Modification of Zeolites on CO₂ Absorption Enhancement