异丁烷脱氢Pt系催化剂研究进展
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摘要
介绍异丁烷脱氢制备异丁烯Pt系催化剂的研究进展,表明催化剂的活性中心、载体和助剂对异丁烷脱氢反应性能影响较大。催化剂活性中心的积炭覆盖和烧结是催化剂失活的直接原因;载体的酸性有助于调变积炭的形成速率,而活性中心与助剂的交互作用可促使积炭的表面迁移;活性中心与载体的交互作用有利于减少活性中心的烧结。
Research progress of Pt-based catalysts in the catalytic dehydrogenation of isobutane is systematically summarized. It is believed that the nature of the active sites,supports,and promoters have great influence on dehydrogenation of isobutene. Carbon deposition and sintering of the active sites in the catalyst are responsible for deactivation. In addition,acidity of support affects the formation rate of carbon deposits. Interaction between the active sites and promoters is beneficial for the migration of carbon deposits from the active sites to support surface,and the interaction between active sites and supports could reduce the sintering of active sites.
Research progress of Pt-based catalysts in the catalytic dehydrogenation of isobutane is systematically summarized. It is believed that the nature of the active sites,supports,and promoters have great influence on dehydrogenation of isobutene. Carbon deposition and sintering of the active sites in the catalyst are responsible for deactivation. In addition,acidity of support affects the formation rate of carbon deposits. Interaction between the active sites and promoters is beneficial for the migration of carbon deposits from the active sites to support surface,and the interaction between active sites and supports could reduce the sintering of active sites.
引文
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[12]Martins L,Rosa M A A,Pulcinelli S H,etal.Preparation of hierarchically structured porous aluminas by a dual soft template method[J].Microporous&Mesoporous Materials,2010,132(1/2):268-275.
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[16]王康,朱士贞,董安华,等.Pt Sn La/Ca-Al2O3作为异丁烷脱氢催化剂的研究[J].天津大学学报,2017,50(10):1105-1110.Wang Kang,Zhu Shizhen,Dong Anhua,et al.Pt Sn La/CaAl2O3as catalysts for isobutane dehydrogenation[J].Journal of Tianjin University,2017,50(10):1105-1110.
[17]Wang T,Jiang F,Liu G,et al.Effects of Ga doping on Pt/Ce O2-Al2O3catalysts for propane dehydrogenation[J].Aiche Journal,2016,62(12):4365-4376.
[18]Zhao P,Guan Y,Wang Y,et al.Propane dehydrogenation over Pt Sn Mg/Cr2O3·Al2O3catalysts:effect of the amount of Mg loading[C].Materials Science and Engineering Conference Series,2017,167(1):012053-012058.
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[22]Valenzuela M A,Jacobs J P,Bosch P,et al.The influence of the preparation method on the surface structure of Zn Al2O4[J].Applied Catalysis A:General,1997,148(2):315-324.
[23]Deng L,Arakawa T,Ohkubo T,et al.Highly active and stable Pt-Sn/SBA-15 catalyst prepared by direct reduction for ethylbenzene dehydrogenation:effects of Sn addition[J].Industrial&Engineering Chemistry Research,2017,56(25):7160-7172.
[24]Taguchi A,Schüth F.Orderedmesoporous materials in catalysis[J].Microporous&Mesoporous Materials,2005,77(1):1-45.
[25]Stein,Andreas.Advances in microporous and mesoporous solids-highlights of recent progress[J].Cheminform,2010,34(31):763-775.
[26]Zhang Y,Zhou Y,Zhang S,et al.Catalytic structure and reaction performance of Pt Sn K/ZSM-5 catalyst for propane dehydrogenation:influence of impregnation strategy[J].Journal of Materials Science,2015,50(19):6457-6468.
[27]Silvestre-Albero J,Sanchez-Castillo M A,He R,et al.Microcalorimetric,reaction kinetics and DFT studies of PtZn/X-zeolite for isobutane dehydrogenation[J].Catalysis Letters,2001,74(1-2):17-25.
[28]Silvestre-Albero J,Serrano-Ruiz J C,Sepúlveda-Escribano A,et al.Modification of the catalytic behaviour of platinum by zinc in crotonaldehyde hydrogenation andisobutane dehydrogenation[J].Applied Catalysis A:General,2005,292:244-251.
[29]Vaezifar S,Faghihian H,Kamali M.Dehydrogenation of isobutane over Sn/Pt/Na-ZSM-5 catalysts:the effect of Si O2/Al2O3ratio,amount and distribution of Pt nanoparticles on the catalytic behavior[J].Korean Journal of Chemical Engineering,2011,28(2):370-377.
[30]Yan J,Wang W,Miao L,et al.Dehydrogenation of methylcyclohexane over Pt,Sn supported on Mg,Al mixed metal oxides derived from layered double hydroxides[J].International Journal of Hydrogen Energy,2018,43(19):9343-9352.
[31]Centeno M A,Debois M,Grange P.Platinumaluminophosphateoxynitride(Pt-AIPON)catalysts for the dehydrogenation of isobutane to isobutene[J].Journal of Catalysis,2000,192(2):296-306.
[32]李国峰,陈梅,孔瑛,等.表面改性活性炭负载催化剂Pt-Sn/AC的制备及其催化性能[J].合成化学,2017,25(10):827-831.Li Guofeng,Chen Mei,Kong Ying,et al.Preparation of surface modified activated carbon loaded catalysts Pt-Sn/Ac and their catalytic properties[J].Chinese Journal of Synthetic Chemistry,2017,25(10):827-831.
[33]Zhang Y,Zhou Y,Wan L,et al.Synergistic effect between Sn and K promoters on supported platinum catalyst for isobutane dehydrogenation[J].Journal of Energy Chemistry,2011,20(6):639-646.
[34]Zhang Y,Zhou Y,Wan L,et al.Effect of magnesium addition on catalyticperformance of Pt Sn K/γ-Al2O3,catalyst for isobutane dehydrogenation[J].Fuel Processing Technology,2011,92(8):1632-1638.
[35]Duan Y,Zhou Y,Zhang Y,et al.Effect of sodium addition to Pt Sn/Al-SBA-15 on the catalytic properties in propane dehydrogenation[J].Catalysis Letters,2011,141(1):120-127.
[36]张林,秦枫,黄镇,等.V2O5/γ-Al2O3表面酸性和钒价态的调控及其异丁烷脱氢性能[J].石油化工,2016,45(9):1043-1049.Zhang Lin,Qin Feng,Huang Zhen,et al.Surface acidity and vanadium valence state of V2O5/γ-Al2O3and its isobutane dehydrogenation performance[J].Petrochemical Technology,2016,45(9):1043-1049.
[37]Jaye C,Tilyard M.Effect of the addition of potassium and lithium in Pt-Sn/Al2O3catalysts for the dehydrogenation of isobutane[J].Fuel Processing Technology,2007,88(9):883-889.
[38]Georges Siddiqi,Pingping Sun,Vladimir Galvita,et al.Catalyst performance of novel Pt/Mg(Ga)(Al)O catalysts for alkane dehydrogenation[J].Journal of Catalysis,2010,274(2):200-206.
[39]Ballarini A D,Zgolicz P,Vilella I M J,et al.n-Butane dehydrogenation on Pt,Pt Sn and Pt Ge supported onγ-Al2O3deposited on spheres ofα-Al2O3by washcoating[J].Applied Catalysis A:General,2010,381(1-2):83-91.
[40]Sun Pingping,Georges Siddiqi,William C,et al.Novel Pt/Mg(In)(Al)O catalysts for ethane and propane dehydrogenation[J].Journal of Catalysis,2011,282(1):165-174.
[41]Im J,Choi M.Physicochemical stabilization of Pt against sintering for a dehydrogenation catalyst with high activity selectivity and durability[J].Acs Catalysis,2016,6(5):2819-2826.
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