钌基费托催化剂研究进展

doi:10.16085/j.issn.1000-6613.2017-0420

摘要/Abstract

摘要： 综述了近年来Ru基费托催化的研究进展，并展望了其应用前景。Ru基催化剂在成本上高于当前普遍应用的Co、Fe基催化剂，但其在催化活性等方面具有优势。研究表明，Ru基费托催化剂的活性、选择性受到Ru源物质、载体、催化剂助剂等多种因素的影响。其中SiO₂、Al₂O₃、ZrO₂等氧化物以及分子筛、活性炭、碳纳米管等载体能赋予催化剂高机械强度、高比表面积，大幅度增加Ru的利用效率从而提高催化效能。一些碱金属、碱土金属以及过渡金属助剂可与载体共同调变活性相的结构并产生电子效应，有望提高催化剂的活性和对目标烃类产物的选择性。除此以外，通过对Ru来源物质的选择以及整体制备工艺的优化，均可增强Ru基费托催化剂的性能。

关键词: 费托合成, 催化剂, 钌, 催化剂载体, 催化剂助剂

Abstract: This article reviewed the recent progress of ruthenium-based catalysts for Fischer-Tropsch(FT)synthesis,and discussed the prospects of its application.In spite of the high cost,Ru-based catalyst possesses higher catalytic activity than currently widely used Co,Fe based catalysts.Studies showed that performance of Ru catalysts is influenced by factors such as Ru precursors,catalyst supports,promoters,and so on.Zeolites,activated carbon,carbon nanotube,and oxides such as SiO₂,Al₂O₃ and ZrO₂ could work as supports,giving the catalyst high mechanical strength,high surface area,and significantly increasing the utilization efficiency of Ru.Alkali metals,alkaline earth metals and transition metals could be selected as promoters,which modify the catalyst's microstructure and provide electronic effects,together with the supports.In addition,screening of Ru precursors,as well as optimization of the preparation process,could enhance the performance of Ru catalysts.

Key words: Fischer-Tropsch synthesis, catalyst, ruthenium, catalyst support, catalyst promoter

中图分类号:

O643

崔登科, 陈崧哲, 陈靖, 范煜. 钌基费托催化剂研究进展[J]. 化工进展, 2017, 36(S1): 228-234.

CUI Dengke, CHEN Songzhe, CHEN Jing, FAN Yu. Research progress in ruthenium-based catalysts for Fischer-Tropsch synthesis[J]. Chemical Industry and Engineering Progress, 2017, 36(S1): 228-234.

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