<i>In-situ</i> Synthesis and Catalytic Properties of ZSM-5/Rectorite Composites as Propylene Boosting Additive in Fluid Catalytic Cracking Process

刘海燕; 曹丽媛; 魏宝莹; 范煜; 石冈; 鲍晓军

doi:10.1016/S1004-9541(12)60376-0

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In-situ Synthesis and Catalytic Properties of ZSM-5/Rectorite Composites as Propylene Boosting Additive in Fluid Catalytic Cracking Process

Updated：2026-01-06

- In-situ Synthesis and Catalytic Properties of ZSM-5/Rectorite Composites as Propylene Boosting Additive in Fluid Catalytic Cracking Process
- Chinese Journal of Chemical Engineering Vol. 20, Issue 1, Pages: 158-166(2012)
- Affiliations：
  
  State Key Laboratory of Heavy Oil Processing, China University of Petroleum,Beijing,China,102249
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(12)60376-0
  CLC： TE624.94
- Published：2012
- Accepted：
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Synthesis and Catalytic Properties of ZSM-5/Rectorite Composites as Propylene Boosting Additive in Fluid Catalytic Cracking Process[J]. Chinese Journal of Chemical Engineering, 2012, 20(1): 158-166.
DOI：

Synthesis and Catalytic Properties of ZSM-5/Rectorite Composites as Propylene Boosting Additive in Fluid Catalytic Cracking Process[J]. Chinese Journal of Chemical Engineering, 2012, 20(1): 158-166. DOI： 10.1016/S1004-9541(12)60376-0.

摘要

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Abstract

Using rectorite extrudates from calcined rectorite powder as the starting material

a series of ZSM-5/rectorite composites were prepared via the

in-situ

crystallization method.The physicochemical properties and propylene boosting performance of the resulting samples were characterized by using X-ray diffraction

scan-ning electronic microscopy/energy dispersive spectrometer

adsorption-desorption

and Fourier transformed in-frared spectroscopy of pyridine adsorption

respectively

and assessed by using Daqing atmospheric residue as feed-stock.The results showed that the ZSM-5/rectorite composites in which the ZSM-5 phase grows in-situ as a 2-3 μm thick layer on rectorite particles have a trimodal microporous-mesoporous-macroporous structure and thus exhibit outstanding propylene boosting performance.Compared with a commercial ZSM-5 incorporated fluid catalytic cracking catalyst

the ZSM-5/rectorite composite incorporated catalyst increased the yield and selectivity of pro-pylene by 2.44% and 5.35%

respectively.

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In-situ Synthesis and Catalytic Properties of ZSM-5/Rectorite Composites as Propylene Boosting Additive in Fluid Catalytic Cracking Process

DOI：10.1016/S1004-9541(12)60376-0

摘要

Abstract

关键词

Keywords

references