Advances in stabilization strategies of activated iron carbide in Fischer-Tropsch synthesis
Fischer-Tropsch synthesis(FTS)is a key technology for converting syngas into liquid fuels and chemicals,which plays a significant role in alleviating petroleum resource stress and promoting energy diversification.Iron-based catalysts are preferred for industrial applications,but the susceptibility of activated iron carbide to phase change limits their commercial application.Strategies of additive modification,surface hydrophobic modification,and graphene coating were developed to effectively enhance the phase change resistance of activated iron carbides.The review focused on the performance of different iron phases in the FTS reaction,the causes of phase change,the stabilization strategies of activated iron carbide,and their mechanisms of action,providing a solid theoretical foundation and practical guidance for the development of more efficient and stable iron-based FTS catalysts.
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维普
