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摘要: |
在固体超强酸SO4^2-/ZrO2基础上添加Al2O3,利用Al2O3与ZrO:的相互作用,制备了复合氧化物固体超强酸SO4^2-/ZrO2-Al2O3,并通过XRD、XPS、FTIR等实验技术对催化剂的体相结构、表面性质及其对正丁烷异构化反应的催化活性进行了研究。结果 表明,Al2O3的引入稳定了四方晶相的ZrO2,抑制了ZrO2由四方晶相向单斜晶相的转变,使催化剂活性显著提高,Al2O3含量为1.5%的样品异丁烷最高收率达31.7%,选择性达65.5%。 |
关键词: 固体超强酸 SO4^2-/ZrO2-Al2O3 正丁烷 异构化反应 |
DOI: |
分类号:O643.36 TQ655 |
基金项目: |
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Studies of n-Butane Isomerization Catalysis Reaction by Solid Super Acid SO_4~(2-)/ZrO_2-Al_2O_3 |
Xu Zhanlin~1 Wang Liang~1 Zhao Lina~1 et al
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Abstract: |
Compound oxides solid super acid SO~(2-)_4/ZrO_2-Al_2O_3 was prepared by the interaction of Al_2O_3 and ZrO_2 in the mixture of Al_2O_3,SO~(2-)_4 and ZrO_2.Its structure,surface properties and catalytic activity for n-butane isomerization reaction were in |
Key words: solid super acid,SO~(2-)_4/ZrO_2-Al_2O_3,n-butane,isomerization reaction |