Effect of photocatalysis on Fischer-Tropsch synthesis activity and selectivity of the TiO2 nanotube supported Co Catalyst
首发时间:2016-12-27
Abstract:To explore a method with high activity and selectivity,is the key to improve Fischer-Tropsch synthesis(FTS) technology and the main focus in academic field. Herein,a photocatalytic route was employed into traditional thermochemical FTS,constituting a photothermocatalytic system.The 20%Co/TiO2 nanotube catalyst was prepared by the incipient wetness impregnation method, and applied to phtothermocatalytic process to investigate the role of illumination for the FTS reaction.The introduction of light dramatically improved CO conversion, from 9.18% to 63.92%.In addition,illumination gave rise to an increase in light paraffin selectivity.The present work demonstrates that photothermocatalysis could be a promising research direction on enhancing FTS catalytic performance and adjusting product distribution .
keywords: photothermocatalysis 20%Co/TiO2 nanotube Fischer-Tropsch synthesis illumination product distribution
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光催化对TiO2纳米管负载Co催化剂费托合成性能的影响
摘要:开发一种能够提高催化活性和调控产物选择性的方法,一直以来是费托合成研究中的焦点问题。本文将光催化技术引入到传统的热能驱动CO加氢反应中,构成光热共同催化费托合成体系。采用浸渍法制备了20%Co/TiO2纳米管催化剂,进行光热催化费托合成实验,考察了光照对反应性能的影响。结果表明,引入光照会显著提高CO转化率,从9.18% 增加到63.92%。同时,光照有利于短链烷烃的生成。光热催化为提高费托合成反应活性和调控产物分布指明了较有前景的发展方向。
关键词: 光热催化 20%Co/TiO2 纳米管 费托合成 光照 产物分布
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No.4714367114198814****
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