Citation: Jian Hua ZHU, Hajime KABASHIMA, Hideaki KITA, Hideshi HATTORI. PROMOTION EFFECT OF KF ON THE BASIC PROPERTIES OF ZrO₂[J]. Chinese Chemical Letters, ;1995, 6(11): 1005-1008. shu

PROMOTION EFFECT OF KF ON THE BASIC PROPERTIES OF ZrO₂

a Chemistry Department, Nanjing University, 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: 11 January 1995

Basicity of ZrO₂ is enhanced by KF modification due to the reaction of KF with ZrO₂ surface:KF+ZrO₂→K₂ZrF6+KOH.After pretreated above 673K,KF/ZrO₂ catalyst exhibited higher activity for 1-butene isomenzation at 273K than ZrO₂.The amount of basic sites strongly adsorbing CO₂ in the form of bicarbonate was also increased.
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