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Fischer-Tropsch合成中的CO活化机理 被引量:3

CO ACTIVATION MECHANISM IN FISCHER-TROPSCH SYNTHESIS
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摘要 Fischer- Tropsch( F- T)合成是将煤炭、天然气和生物质等含碳资源间接转化为液体燃料的关键工艺步骤,深入了解其反应机理,对于完善F- T合成催化剂设计以及优化其工业操作条件具有重要的理论价值.对近年来有关F- T合成中关键的CO活化机理研究进行了总结和评述,着重介绍了不同过渡金属元素对CO的吸附和活化性质,并就金属晶面与CO的相互作用、催化助剂的影响以及F- T合成反应中与H2 的共吸附作用等方面进行分析,为进一步的研究工作提供理论参考. Fischer-Tropsch synthesis(FTS) is one of the key processes in the conversion of coal,natural gas and biomass to liquid fuels via syngas.The selection of new catalysts and optimum operation conditions in its industrial applications need a sound scientific foundation,which entail detailed information of its mechanism.In this paper,the development of the mechanistic researches for CO activation in FTS are reviewed.The important parts includig the nature of catalytic surface,the orientation in CO-surface interaction and the effects of promoters and co-adsorbents are introduced in detail.
出处 《煤炭转化》 CAS CSCD 北大核心 2005年第2期1-6,17,共7页 Coal Conversion
基金 国家自然科学基金重大项目 (2 0 5 90 3 60 ) 山西省自然科学基金资助项目 (2 0 0 2 10 2 4)
关键词 Fischer—Tropsch合成 反应机理 CO吸附 CO活化 Fischer-Tropsch synthesis,mechanism,CO adsorption,CO activation
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