摘要
费托合成(FTS)是将合成气转化为液体燃料和化学品的关键技术,对于缓解石油资源紧张、促进能源多样化具有显著作用.铁基催化剂是工业应用的首选,但活性碳化铁易相变的问题限制了它的商业应用.助剂改性、表面疏水改性和石墨烯包覆的策略可有效增强活性碳化铁的抗相变能力.综述了不同铁相在FTS反应中的性能、相变原因、活性碳化铁稳定策略及其作用机制,为开发更高效、更稳定的铁基FTS催化剂提供坚实的理论基础和实践指导.
Abstract
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.
维普
万方数据