Citation: Ling Ping ZHOU, Ke Yi TAO, Wei LI, Ming SU, He Xuan LI, Hideshi HATTORI. OXIDATIVE METHYLATION OF TOLUENE WITH METHANE OVER BASIC ZEOLITE CATALYSTS PROMOTED WITH ALKALI METAL OXIDES[J]. Chinese Chemical Letters, ;1996, 7(3): 229-232. shu

OXIDATIVE METHYLATION OF TOLUENE WITH METHANE OVER BASIC ZEOLITE CATALYSTS PROMOTED WITH ALKALI METAL OXIDES

a Department of Chemistry, Nabs University, Tianjin 300071;
b Hokkaido University, Sapporo, Japan

Received Date: 25 July 1995

Fund Project: The National Science and Technology Committee Provided the financial support for this work.

The oxidative methylaion of toluene with methane to ethylbenzene and styrene proceeded over basic Y type zeolite catalyst at 1023K.KY was prepared from NaY raw powder by exchange with O.SM KOH aqueous solution at 363K.Loaded KY were prepared by impregnating aqueous solutions of LiNO₃ and CsNO₃ onto KY zeolite.Only KY zeolite showed very low C₈-yield and selectivity.Addition of alkali-metal oxides to the KY zeolite increased greatly the catalytic activity.The Cs₂O(6wt% Cs₂O)/KY catalyst gave the highest C₈ yield of 32.2% with selectivity of 60.9%.
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