Transalkylation of Multi-secbutylbenzenes with Benzene over Hierarchical Beta Zeolite

Yingxia Li; Can Luo; Xuan Wang; Chongpin Huang; Biaohua Chen

doi:10.1016/j.cjche.2014.06.013

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Transalkylation of Multi-secbutylbenzenes with Benzene over Hierarchical Beta Zeolite

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

- Transalkylation of Multi-secbutylbenzenes with Benzene over Hierarchical Beta Zeolite
- Chinese Journal of Chemical Engineering Vol. 22, Issue 8, Pages: 898-902(2014)
- Affiliations：
  
  Changling Petrochemical Engineering Design Co. Ltd.,Yueyang,China,414000
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2014.06.013
  CLC：
- Published：2014
- Accepted：
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Yingxia Li, Can Luo, Xuan Wang, Chongpin Huang, Biaohua Chen. Transalkylation of Multi-secbutylbenzenes with Benzene over Hierarchical Beta Zeolite[J]. Chin.J.Chem.Eng., 2014, 22(8): 898-902.
DOI：

Yingxia Li, Can Luo, Xuan Wang, Chongpin Huang, Biaohua Chen. Transalkylation of Multi-secbutylbenzenes with Benzene over Hierarchical Beta Zeolite[J]. Chin.J.Chem.Eng., 2014, 22(8): 898-902. DOI： 10.1016/j.cjche.2014.06.013.

摘要

Abstract

A hierarchical beta zeolite synthesized by quasi-solid phase conversion method was characterized by BET

scanning electron microscope (SEM)

transmission electron microscope (TEM)

X-ray diffraction (XRD)

temperature-programmed desorption of ammonia (NH

-TPD)

Al and

Si magic angle spinning nuclear magnetic resonance (

Aland

Si MAS NMR)

and its catalytic performance was compared with that of conventional microporous beta zeolite for liquid phase transalkylation of multi-secbutylbenzenes (MSBBs) with benzene. The results indicate that the hierarchical beta zeolite consists of nanosized crystals with a meso/microporous structure and has stronger acid strength than the microporous beta zeolite. The higher conversion of tri-secbutylbenzene (TSBB) and selectivity of sec-butylbenzene (SBB) are achieved on hierarchical beta zeolite than microporous beta zeolite

while the conversion of di-secbutylbenzene (DSBB) is slightly higher. The improvement of catalytic performance over hierarchical beta zeolite can be ascribed to the presence of mesopores

nanosized crystals and stronger acidity.

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