综述了镍基分子筛催化剂在CO2甲烷化反应中的研究进展,系统总结了不同分子筛催化剂对CO2甲烷化反应性能的影响,分析了不同分子筛载体结构与活性组分之间的相互作用及其对活性组分Ni的分散度、颗粒尺寸、抗烧结性之间的关系,阐释了不同孔结构分子筛催化剂的构效关系及其抗烧结和抗积碳的反应机理,展望了Ni基分子筛催化剂在甲烷化反应的应用前景.
The research progresses in Ni-based molecular sieve catalysts for CO2 methanation are reviewed.The effects of the different pore structures of molecular sieves on catalytic performance for the CO2 methanation are summarized.The interactions between the different carrier structures of molecular sieves and active components are discussed.The relationship among particle size, active component nickel dispersion and anti-sintering are systematically analyzed.The structure-activity relationship of different pore structures of molecular sieve catalysts and the mechanisms of anti-sintering and carbon deposition resistance are explained.Finally, the future developments of Ni-based molecular sieve catalysts for the application of CO2 methanation are previewed.
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