Journal
CATALYSIS COMMUNICATIONS
Volume 124, Issue -, Pages 92-96Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2019.03.010
Keywords
Light olefins; Fischer Tropsch synthesis; Fe-based CNTs catalyst; Li promoter
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Funding
- National High-Tech R&D Program of China [2011AA05A204]
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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%.
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