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Research and development of catalysts for gas-phase methanol dehydration to dimethyl ether

Hua Wang

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Abstract

The research progresses in the catalysts for gas-phase methanol dehydration to dimethyl ether were reviewed.At present,zeolite and alumina were the two main types of catalysts for this process,and γ-Al2O3 was more widely used.RD and industrial application of the novel catalyst CNM-3 were introduced in detail.With CNM-3 as catalyst,the purity of dimethyl ether product could reach 99.99%,the one-through conversion of methanol was more than 80%,the selectivity to dimethyl ether was more than 99.5 %,and the catalyst life could reach up to 3 years.

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What this paper is about

The research progresses in the catalysts for gas-phase methanol dehydration to dimethyl ether were reviewed.At present,zeolite and alumina were the two main types of catalysts for this process,and γ-Al2O3 was more widely used.RD and industrial application of the novel catalyst CNM-3 were introduced in detail.With CNM-3 as catalyst,the purity of dimethyl ether product could reach 99.99%,the one-through conversion of methanol was more than 80%,the selectivity to dimethyl ether was more than 99.5 %,and the catalyst life could reach up to 3 years.

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Available abstract

The research progresses in the catalysts for gas-phase methanol dehydration to dimethyl ether were reviewed.At present,zeolite and alumina were the two main types of catalysts for this process,and γ-Al2O3 was more widely used.RD and industrial application of the novel catalyst CNM-3 were introduced in detail.With CNM-3 as catalyst,the purity of dimethyl ether product could reach 99.99%,the one-through conversion of methanol was more than 80%,the selectivity to dimethyl ether was more than 99.5 %,and the catalyst life could reach up to 3 years.

Key concepts: Dimethyl ether, Methanol, Catalysis, Dehydration, Zeolite, Ether, Chemistry, Selectivity

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