Preparation and application of hierarchical ZSM-5 based catalysts for upgradation of Saudi Arabia’s medium crude oil

In this work, the effect of hierarchical pores in ZSM-5 based catalysts was investigated for upgradation of Saudi Arabia’s medium crude oil under methane environment. Such pores were created in the HZSM-5 by sequential desilication-dealumination treatment. Ag and Ga species were incorporated in the...

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Veröffentlicht in:Journal of porous materials 2024-04, Vol.31 (2), p.463-471
Hauptverfasser: Zhong, Jie, Li, Kang, Lei, Jie, Lv, Jin, Liu, Junjie, Subhan, Fazle, Peng, Peng, Wang, Youhe, Yan, Zifeng
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container_end_page 471
container_issue 2
container_start_page 463
container_title Journal of porous materials
container_volume 31
creator Zhong, Jie
Li, Kang
Lei, Jie
Lv, Jin
Liu, Junjie
Subhan, Fazle
Peng, Peng
Wang, Youhe
Yan, Zifeng
description In this work, the effect of hierarchical pores in ZSM-5 based catalysts was investigated for upgradation of Saudi Arabia’s medium crude oil under methane environment. Such pores were created in the HZSM-5 by sequential desilication-dealumination treatment. Ag and Ga species were incorporated in the samples by incipient wetness impregnation (IWI). The samples were characterized by XRD, N 2 physisorption, TEM, NH 3 -TPD, and Pyridine-FTIR. The hierarchical ZSM-5 based catalysts performed well in the product oil and light aromatics, which is mainly attributed to the fact that the hierarchical catalysts alleviated the diffusion limitations for the heavy components. Furthermore, when the Ga content is 2 wt% and the Ag content is 1 wt%, the best product oil was obtained, and light aromatics increased to 16.04 wt%. This is because of the matching of hierarchical ZSM-5 supports and metal components to produces an appropriate ratio of Brønsted acid to Lewis acid.
doi_str_mv 10.1007/s10934-023-01506-3
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subjects Ammonia
Catalysis
Catalysts
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Crude oil
Lewis acid
Physical Chemistry
Silver
title Preparation and application of hierarchical ZSM-5 based catalysts for upgradation of Saudi Arabia’s medium crude oil
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