Production of linear alkylbenzene over Ce containing Beta zeolites

Shiqi Zhang; Shengzhi Gan; Baoyu Liu; Jinxiang Dong

doi:10.1016/j.cjche.2023.11.007

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Production of linear alkylbenzene over Ce containing Beta zeolites

Updated：2026-01-06

- Production of linear alkylbenzene over Ce containing Beta zeolites
- Chinese Journal of Chemical Engineering Vol. 67, Issue 3, Pages: 220-227(2024)
- Affiliations：
  
  1. School of Chemical Engineering and Light Industry, Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, Guangzhou Key Laboratory of Clean Transportation Energy Chemistry, Guangdong University of Technology,Guangzhou,China,510006
  2. Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory (Rongjiang Laboratory),Jieyang,China,515200
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2023.11.007
  CLC：
- Published：2024
- Accepted：
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Shiqi Zhang, Shengzhi Gan, Baoyu Liu, Jinxiang Dong. Production of linear alkylbenzene over Ce containing Beta zeolites[J]. Chinese Journal of Chemical Engineering, 2024, 67(3): 220-227.
DOI：

Shiqi Zhang, Shengzhi Gan, Baoyu Liu, Jinxiang Dong. Production of linear alkylbenzene over Ce containing Beta zeolites[J]. Chinese Journal of Chemical Engineering, 2024, 67(3): 220-227. DOI： 10.1016/j.cjche.2023.11.007.

摘要

Abstract

Ce-encapsulated Beta zeolite was synthesized by a one-pot hydrothermal method with citric acid complexing Ce in the absence of Na species. Additional citric acid can effectively prevent the deposition of Ce species during the hydrothermal synthesis of zeolites

leading to uniform distribution of Ce cluster in the framework of Beta zeolites. Moreover

the sodium-free synthesis system resulted that the Brønsted acid sites were mainly located on the straight channels and external surface of Beta zeolites

improving the utilization of Brønsted acid sites. In addition

Ce encapsulated Beta zeolites showed enhanced activity and robust stability in the alkylation of benzene with 1-dodecene based on the synergistic effect between Ce species and Brønsted acid sites

which pave the way for its practical application in the production of alkylbenzene.

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