Citation: Jian Hua ZHU, Hideto TSUJI, Hajime KABASHIMA, Hideshi HATTORI, Hideaki KTTA. EXPLORATION ON THE BASIC ACTIVE CENTRES OF KF/Al₂O₃: EFFECTOF PRETREATMENT TEMPERATURE[J]. Chinese Chemical Letters, ;1995, 6(9): 811-814. shu

EXPLORATION ON THE BASIC ACTIVE CENTRES OF KF/Al₂O₃: EFFECTOF PRETREATMENT TEMPERATURE

a Chemistry Departmetn, Nanjing 210093;
b Division of Material Science, Graduate School of Environmental Earth Science, Hokkaido University, Sapporo 060, Japan;
c Centre of Advanced Research of Energy Technology, Hokkaido University, Sapporo 060, Japan

Received Date: 19 January 1995

KF/Al₂O₃ reached maximum activity at the pretreatment temperature(T_p) of 623K or 723K in 1-butene isomerization at 273K, according to the amount of KF loaded.Further increment of T_p lowered the activity of KF/Al₂O₃ due to the suppression of[Al-OH^-F]strong basic sites through dehydroxylation.Changes in the state and function of F^- caused the deactivation of KF/Al₂O₃ at high T_p.
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