High-temperature Fischer-Tropsch synthesis over FeTi mixed oxide model catalysts: Tailoring activity and stability by varying the Ti/Fe ratio

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• 作者：Vera P. Santos^a ; ^c ; ^{vpsantos@dow.com} ; Liam Borges^a ; Sina Sartipi^a ; Bart van der Linden^a ; A. Iulian Dugulan^b ; Adam Chojecki^c ; Thomas Davidian^d ; Matthijs Ruitenbeek^d ; Garry R. Meima^c ; ^d ; Freek Kapteijn^a ; Michiel Makkee^a ; Jorge Gascon^a ;
• 关键词：Bulk Fe-based catalysts ; Ti/Fe ratio ; Pseudobrookite ; Fischer-Tropsch ; Reduction ; Carburization ; Deactivation
• 刊名：Applied Catalysis A: General
• 出版年：2017
• 出版时间：5 March 2017
• 年：2017
• 卷：533
• 期：Complete
• 页码：38-48
• 全文大小：2495 K
• 卷排序：533

文摘

Ti/Fe ratio determines the overall Fischer-Tropsch performance of Fe-based bulk systems. Fe2TiO5 mediates iron reduction/carburization rate and minimizes oxidation of iron carbides under syngas conditions. Stable and active Fischer-Tropsch performance is achieved for Ti/Fe 0.48.