Fe@C包覆型催化剂的制备及其在费托合成反应中的应用  

Preparation of Fe@C catalyst and its application in Fischer-Tropsch synthesis

作　　者：杨景麟 林俊明 陈文迪 岑洁[1] 姚楠[1] Yang Jinglin;Lin Junming;Chen Wendi;Cen Jie;Yao Nan(State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology,College of Chemical Engineering,Institute of Industrial Catalysis,Zhejiang University of Technology,Hangzhou Zhejiang 310032,China)

机构地区：[1]浙江工业大学,工业催化研究所,化学工程学院,绿色化学合成技术国家重点实验室培育基地,浙江杭州310032

出　　处：《石油化工》2020年第7期687-694,共8页Petrochemical Technology

基　　金：生物质与煤资源利用协同创新中心项目(GZ18401010001)。

摘　　要：Fe基催化剂是适用于费托合成反应的一类催化剂,具有成本低和对合成气氢碳比适应性广等优点。将Fe活性中心包覆在碳材料中形成Fe@C包覆结构可抑制纳米粒子团聚或迁移,通过限域效应可显著影响Fe基催化剂的费托合成反应性能。综述了Fe@C型催化剂的结构、主要制备方法、费托合成反应性能及催化剂改性方面所取得的研究进展。对Fe@C包覆型催化剂的发展进行了展望,提出开发获得能准确调控Fe@C核壳粒子纳米结构(缺陷、尺寸)和电子性质的新合成方法,制备目标产物选择性高、稳定性好的Fe基催化剂是今后的研究重点。Fe-based catalysts are conventional Fischer-Tropsch synthesis catalysts due to their low cost and good adaptability for different H2/CO ratios.The core-shell structure formed by encapsulating Fe active sites in carbon materials can inhibit the agglomeration or migration of nanoparticles,and can significantly affect the Fischer-Tropsch synthesis performance through confinement effect.The structure and main preparation methods of the Fe@C catalyst were reviewed.Moreover,the reaction performance of the Fe@C catalyst in Fischer-Tropsch synthesis and the effect of the modification recently were also introduced.The future development of the Fe@C catalyst was prospected.A new synthesis method that can accurately control the nanostructure(defect,size)and the electronic properties was proposed.The preparation of Fe@C catalysts with good stability and high selectivity of target products is the focus of future research.

关 键 词：Fe基催化剂 核壳结构 费托合成反应 制备方法 反应性能 

分 类 号：TQ51[化学工程]