文献类型：期刊文献

英文题名：Effect of Li promoter on FeMn/CNTs for light olefins from syngas

作者：Chen, Qinyuan[1];Qian, Weixin[1];Zhang, Haitao[1];Ma, Hongfang[1];Sun, Qiwen[2];Ying, Weiyong[1]

机构：[1]East China Univ Sci & Technol, Skate Key Lab Chem Engn, Minist Educ, Engn Res Ctr Large Scale Reactor Engn & Technol, Shanghai 200237, Peoples R China;[2]State Key Lab Coal Liquefact & Coal Chem Technol, Shanghai 201203, Peoples R China

年份：2019

卷号：124

起止页码：92

外文期刊名：CATALYSIS COMMUNICATIONS

收录：;EI(收录号：20191106636981);WOS:【SCI-EXPANDED(收录号:WOS:000464482500018)】；

基金：This work is supported by the National High-Tech R&D Program of China (2011AA05A204).

语种：英文

外文关键词：Light olefins; Fischer Tropsch synthesis; Fe-based CNTs catalyst; Li promoter

摘要：FeMnLi/CNTs catalysts with different Li content were prepared by the incipient wetness impregnation method for light olefins from syngas and investigated by N-2 adsorption-desorption, XRD, H-2-TPR, CO2-TPD and Mossbauer techniques. The addition of Li increased the surface basicity of catalysts and promoted the transformation of Fe3+ specious and formation of active phase, chi-Fe5C2, which was favorable to CO conversion and light olefins selectivity. The best catalytic performance was achieved over 8Fe8Mn1.5Li catalyst with CO conversion of 14.18% and light olefins selectivity of 48.42%.