方传艳,位健,王锐,葛庆杰,徐恒泳.Cu-Fe基催化剂上合成气直接制取低碳烯烃的研究[J].分子催化,2015,(1):27-34 |
Cu-Fe基催化剂上合成气直接制取低碳烯烃的研究 |
Catalytic Conversion of Syngas to Light Olefins over Cu-Febased Catalyst |
投稿时间:2014-10-23 修订日期:2015-02-04 |
DOI: |
中文关键词: Cu-Fe基催化剂 合成气 低碳烯烃 |
英文关键词:Cu-Fe based catalyst Syngas Light olefins. |
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中文摘要: |
本文研究了γ-Al2O3负载Cu-Fe基催化剂的合成气直接制低碳烯烃反应性能,初步探讨了Cu-Fe基催化剂上合成气转化制低碳烯烃的反应历程。结果表明,合成气直接制低碳烯烃Cu-Fe基催化剂的活性组分Cu和Fe之间存在明显的协同效应,正是这种协同效应的存在,Cu-Fe基催化剂表现出优异的合成气直接制低碳烯烃反应性能,初步推断Cu-Fe基催化剂上合成气转化生成低碳烯烃的主要反应历程为CO加氢生成含氧化合物(醇醚等)后再脱水生成低碳烯烃。 |
英文摘要: |
In this paper, a catalytic conversion of syngas to light olefins has been studied over Cu-Fe based catalysts. The results show that Cu-Fe-Cat exhibits better reaction performance of syngas to olefins than Cu-Cat and Fe-Cat, which indicates that a synergistic effect between Cu and Fe exists in Cu-Fe-Cat, and such synergistic effect between Cu and Fe in Cu-Fe-Cat largely promotes CO conversion. The reaction path of syngas to light olefins over Cu-Fe-Cat has also been discussed, and the main reaction path over Cu-Fe-Cat is proposed that syngas conversion to light olefins via oxygenates. |
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