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Catalysis engineering of bifunctional solids for the one-step synthesis of liquid fuels from syngas: a review

机译:双功能固体的催化工程,用于一步合成液体燃料的合成:综述

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摘要

The combination of acidic zeolites and Fischer-Tropsch synthesis (FTS) catalysts for one-step production of liquid fuels from syngas is critically reviewed. Bifunctional systems are classified by the proximity between FTS and acid functionalities on three levels: reactor, catalyst particle, and active phase. A thorough analysis of the published literature on this topic reveals that efficiency in the production of liquid fuels correlates well with the proximity of FTS and acid sites. Moreover, possible side reactions over the FTS metal, including direct CO hydrogenation and hydrocarbon hydrogenolysis, are addressed. The contribution of these side reactions should carefully be considered and separated from that of the zeolite function when evaluating the performance and product spectrum of zeolite-containing catalysts.
机译:严格回顾了酸性沸石和Fischer-Tropsch合成(FTS)合成(FTS)催化剂,以一步产生合成气的液体燃料。 双功能系统通过三个级别的FT和酸功能之间的接近度进行分类:反应器,催化剂粒子和活性相。 对有关该主题的已发表文献的彻底分析表明,液体燃料生产的效率与FTS和酸性位点的接近性良好。 此外,解决了FTS金属上的可能的侧反应,包括直接CO氢化和烃氢解。 在评估含沸石的催化剂的性能和产品光谱时,应仔细考虑这些侧反应的贡献并与沸石功能的贡献。

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