High-Yielded Side-Chain Alkylation from Toluene and Methanol Over K3PO4/CsX

Wang Huihui; Wang Bin; Wen YueliHuang Wei

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High-Yielded Side-Chain Alkylation from Toluene and Methanol Over K3PO4/CsX

机译：High-Yielded Side-Chain Alkylation from Toluene and Methanol Over K3PO4/CsX

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Potassium phosphate supported on ion-exchanged CsX zeolite was prepared by impregnation method, and their performance was investigated for the side-chain alkylation of toluene with methanol. When K3PO4 was more than 5 wt, the catalyst activity and selectivity of styrene and ethylbenzene were improved significantly. The conversion of methanol and selectivity of styrene and ethylbenzene reached 84.1 and 92.8 with K3PO4 loading of 7 wt. It was concluded that moderate addition of K3PO4 decreased the amount of weak acid and increased the strength and amount of middle base sites. The base sites at 270-300 A degrees C (CO2-TPD) were favorable for this reaction.

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来源
《Catalysis Letters》 |2017年第1期|161-166|共6页
作者
Wang Huihui; Wang Bin; Wen YueliHuang Wei;
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作者单位

Taiyuan Univ Technol, Inst Coal Chem Engn, Taiyuan 030024, Shanxi, Peoples R China;

Taiyuan Univ Technol, Coll Environm & Engn, Taiyuan 030024, Shanxi, Peoples R China;

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原文格式 PDF
正文语种英语
中图分类催化;
关键词
Potassium phosphate; Side-chain alkyation; Middle strong base;

High-Yielded Side-Chain Alkylation from Toluene and Methanol Over K3PO4/CsX

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