Recent Advances for Selective Catalysis in Benzene Methylation: Reactions, Shape-Selectivity and Perspectives

IF 2.1 4区 化学 Q3 CHEMISTRY, PHYSICAL Catalysis Surveys from Asia Pub Date : 2021-05-24 DOI:10.1007/s10563-021-09337-5
Dongliang Wang, Xin Su, Zongliang Fan, Zhuoyu Wen, Ning Li, Yong Yang
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引用次数: 7

Abstract

Benzene methylation over zeolite offers an alternative route to produce high-value toluene or para-xylene directly from benzene and C1 chemical sources, especially for countries with a shortage of crude oil but abundant coal, natural gas, or biomass. It also serves as a green “molecular engineering” to reduce costs of energy intensive separation for C8 isomers by selective catalysis. Since numerous zeolite-based catalysts have been synthesized, characterized and evaluated in alkylation process, this review aims to present the roles of the zeolite topology and acidity in selective catalysis based on the reaction network and mechanisms for benzene methylation system during the recent years. It covers concise details in the shape-selective catalysis of zeolite topology and acidity to provide a theoretical basis of the chemical modification under reaction conditions, which give directions to or identify the catalyst design for benzene methylation, and also will provide the mechanistic insights and technical reference as an integral part of other aromatics production.

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苯甲基化选择性催化研究进展:反应、形状选择性及展望
沸石上的苯甲基化提供了直接从苯和C1化学来源生产高价值甲苯或对二甲苯的替代途径,特别是对于原油短缺但煤炭、天然气或生物质丰富的国家。它还可以作为一种绿色的“分子工程”,通过选择性催化降低能源密集型分离C8异构体的成本。由于沸石基催化剂在烷基化过程中的合成、表征和评价较多,本文从近年来苯甲基化体系的反应网络和机理出发,综述了沸石拓扑结构和酸度在选择性催化中的作用。简要介绍了沸石拓扑结构和酸度的形状选择性催化,为反应条件下的化学改性提供理论依据,为苯甲基化催化剂的设计提供指导或鉴定,也将为其他芳烃生产提供机理见解和技术参考。
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来源期刊
Catalysis Surveys from Asia
Catalysis Surveys from Asia 化学-物理化学
CiteScore
4.80
自引率
0.00%
发文量
29
审稿时长
>12 weeks
期刊介绍: Early dissemination of important findings from Asia which may lead to new concepts in catalyst design is the main aim of this journal. Rapid, invited, short reviews and perspectives from academia and industry will constitute the major part of Catalysis Surveys from Asia . Surveys of recent progress and activities in catalytic science and technology and related areas in Asia will be covered regularly as well. We would appreciate critical comments from colleagues throughout the world about articles in Catalysis Surveys from Asia . If requested and thought appropriate, the comments will be included in the journal. We will be very happy if this journal stimulates global communication between scientists and engineers in the world of catalysis.
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