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Pt-SO4^2-/ZrO2-Al2O3固体超强酸上正丁烷异构化反应的研究
引用本文:徐占林,赵丽娜,王良,张玉玲,毕颖丽.Pt-SO4^2-/ZrO2-Al2O3固体超强酸上正丁烷异构化反应的研究[J].精细石油化工,2005(5):9-12.
作者姓名:徐占林  赵丽娜  王良  张玉玲  毕颖丽
作者单位:[1]吉林师范大学化学学院,吉林四平136000 [2]吉林大学化学学院,吉林长春130023
摘    要:制备了复合氧化物固体超强酸催化剂Pt-SO4^2-/ZrO2-Al2O3,通过XRD、XPS、SEM、FT-IR等手段研究了其结构、表面性质及其对正丁烷异构化反应的催化活性。结果表明,适量的Al2O3稳定T四方品相的ZrO2,抑制了ZrO2由四方晶相向单斜晶相的转变。掺杂Pt提高了正丁烷异构化反应的催化活性。采用W(Al)=1.5%的催化剂,异丁烷最高收率达37%,选择性达70%。

关 键 词:Pt-SO4^2-/ZrO2-Al2O3  固体超强酸  正丁烷  异构化
收稿时间:2005-04-15
修稿时间:2005-04-152005-06-12

STUDIES ON n-BUTANE ISOMERIZATION REACTION ON SOLID OXIDE SUPER ACID Pt-SO4^2-/ZrO2-Al2O3 CATALYSTS
Xu Zhanlin , Zhao Lina , Wang Liang , Zhang Yuling , Bi Yingli.STUDIES ON n-BUTANE ISOMERIZATION REACTION ON SOLID OXIDE SUPER ACID Pt-SO4^2-/ZrO2-Al2O3 CATALYSTS[J].Speciality Petrochemicals,2005(5):9-12.
Authors:Xu Zhanlin  Zhao Lina  Wang Liang  Zhang Yuling  Bi Yingli
Affiliation:1. Chemistry college of Jilin Normal University, Siping 136000, Jilin, China ; 2. Chemistry col lege of Jilin University, Changchun 130023, Jilin, China
Abstract:The composite solid oxide super acid Pt-SO4^2-/ZrO2-Al2O3 catalyst was prepared, and its structure, surface properties and catalytic activities for n-butane isomerization reaction were investigated by XRD, XPS, SEM, FT-IR. The results showed that the optimum Al2O3 loading in the catalyst made ZrO2 tetragonal phase stable, prevented the transformation of ZrO2 from tetragonal phase to monoclinic phase. Pt doping on Pt-SO4^2-/ZrO2-Al2O3 improved the catalytic activities for n-butane isomerization reaction. When the content of Alwas 1.5% in the catalyst, the yield of i-butane was 37%, and its selectivity reached 70 % above.
Keywords:solid super acid  Pt-SO_4~(2-)/ZrO_2-Al_2O_3  n-butane  isomerization
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