Effects of Colloidal Silica Binder on Catalytic Activity and Adhesion of HZSM-5 Coatings for Structured Reactors

Guozhu Liu; Jinhua Guo; Fanxu Meng; Xiangwen Zhang; Li Wang

doi:10.1016/j.cjche.2014.06.010

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Effects of Colloidal Silica Binder on Catalytic Activity and Adhesion of HZSM-5 Coatings for Structured Reactors

第四届整体式结构化催剂与反应器国际会议专栏 | Updated：2026-01-06

- Effects of Colloidal Silica Binder on Catalytic Activity and Adhesion of HZSM-5 Coatings for Structured Reactors
- Chinese Journal of Chemical Engineering Vol. 22, Issue 8, Pages: 875-881(2014)
- Affiliations：
  
  Department of Chemical Engineering, Texas A&M University, College Station,TX,USA,77843
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2014.06.010
  CLC：
- Published：2014
- Accepted：
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Guozhu Liu, Jinhua Guo, Fanxu Meng, Xiangwen Zhang, Li Wang. Effects of Colloidal Silica Binder on Catalytic Activity and Adhesion of HZSM-5 Coatings for Structured Reactors[J]. Chin.J.Chem.Eng., 2014, 22(8): 875-881.
DOI：

Guozhu Liu, Jinhua Guo, Fanxu Meng, Xiangwen Zhang, Li Wang. Effects of Colloidal Silica Binder on Catalytic Activity and Adhesion of HZSM-5 Coatings for Structured Reactors[J]. Chin.J.Chem.Eng., 2014, 22(8): 875-881. DOI： 10.1016/j.cjche.2014.06.010.

摘要

Abstract

HZSM-5 coating using three colloidal silica binders

acidic colloidal silica (ACS)

neutral colloidal silica (NCS) and basic colloidal silica (BCS)

was prepared to study the effect of binders on their adhesion and catalytic activity. Scanning electron microscopy characterization indicated that the zeolite coating using BCS shows the smoothest surface with higher homogeneity and adherence strength. The specific surface area

relative crystallization and acid site strength of zeolites are also dependent on the binder used. Catalytic cracking of supercritical n-dodecane over the series of zeolite coating with various binders indicated that HZSM-5 coating with BCS exhibits the highest and the most stable catalytic activity compared with other kinds of binders

and also exhibits a stable catalytic activity ascribed to its proper acid property and microstructure.

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