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Citation: Gao Zi, Chen Jian-Min, Tang Yi, Hua Wei-Ming. Characterization of Solid Superacidity by Butane Isomerization Reaction at Ambient Temperature[J]. Acta Physico-Chimica Sinica, ;1994, 10(08): 698-703. doi: 10.3866/PKU.WHXB19940806 shu

Characterization of Solid Superacidity by Butane Isomerization Reaction at Ambient Temperature

1.
Department of Chemistry, Fudan University, Shanghai 200433

Received Date: 9 April 1993
Available Online: 15 August 1994

Butane reactions on SO~(2-)_4/ZrO_2 type solid superacids at ambient temperature were studied. The butane isomerization selectivity is higher than 95% while the total reaction conversion is lower than 50%. The rate of the butane isomerization reaction follows the rate law of a first-order reversible reaction. The reaction conversion, rate constant and activation energy of the isomerization reaction are dependent on the superacidity of the solid catalysts. As the H_o of the catalysts is increased, the reaction conversion and rate constant are increased and the activation energy is decreased. The butane isomerization at ambient temperature is a od probe reaction for the characterization of solid superacidity.
- SO2-4/ZrO2 system,
- Solid superacid,
- Butane isomerization,
- Characterization of superacidity
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