开发用于 C1-C4 烷烃与二氧化碳进行氧化转化以产生氢气/合成气和有机化合物的纳米复合催化剂的前景:综述

IF 0.7 4区 化学 Q4 CHEMISTRY, MULTIDISCIPLINARY
S. O. Soloviev
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引用次数: 0

摘要

本研究考虑了如何基于金属氧化物系统和沸石(特别是 BEA 型)有针对性地设计有效的纳米复合催化剂,用于甲烷/沼气的干式/超干式转化过程,以获得氢气和合成气(H2/CO 比例可调),以及 C3-C4 烷烃在二氧化碳参与下的氧化脱氢过程,以生产有价值的烯烃和二烯。在烷烃脱氢反应中,孤立的金属阳离子/小簇与块状结构相比具有更高的活性、选择性和稳定性,因为它们的活化涉及阴离子空位上配位不饱和金属阳离子的参与。这为有针对性地开发用于此类过程的高活性、高稳定性催化剂提供了科学依据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Prospects for the Development of Nanocomposite Catalysts for the Oxidative Conversion of C1-C4 Alkanes with Carbon Dioxide to Produce Hydrogen/Synthesis Gas and Organic Compounds: A Review

Prospects for the Development of Nanocomposite Catalysts for the Oxidative Conversion of C1-C4 Alkanes with Carbon Dioxide to Produce Hydrogen/Synthesis Gas and Organic Compounds: A Review

Prospects for the Development of Nanocomposite Catalysts for the Oxidative Conversion of C1-C4 Alkanes with Carbon Dioxide to Produce Hydrogen/Synthesis Gas and Organic Compounds: A Review

The ways of targeted design of effective nanocomposite catalysts based on metal oxide systems and zeolites, in particular BEA type, for the processes of dry/super-dry conversion of methane/biogas for the obtaining of hydrogen and syngas with adjustable H2/CO ratio as well as oxidative dehydrogenation of C3-C4 alkanes with the participation of CO2 producing valuable olefins and dienes are considered. Isolated metal cations/small clusters exhibit higher activity, selectivity, and stability when compared to bulk structures in alkane dehydrogenation reactions since their activation involves the participation of coordinatively unsaturated metal cations on anionic vacancies. This can serve as a scientific basis for the targeted development of highly active and stable catalysts for such processes.

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来源期刊
Theoretical and Experimental Chemistry
Theoretical and Experimental Chemistry CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
1.60
自引率
10.00%
发文量
30
审稿时长
6-12 weeks
期刊介绍: Theoretical and Experimental Chemistry is a journal for the rapid publication of research communications and reviews on modern problems of physical chemistry such as: a) physicochemical bases, principles, and methods for creation of novel processes, compounds, and materials; b) physicochemical principles of chemical process control, influence of external physical forces on chemical reactions; c) physical nanochemistry, nanostructures and nanomaterials, functional nanomaterials, size-dependent properties of materials.
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