Preprint Article Version 1 This version is not peer-reviewed

Diethyl Carbonate Synthesis from CO2, Ethanol and Propylene Oxide in the presence of Dehydrating Agent of Ethylene over the novel catalysts of Supported [email protected]3PW12O40 and Mixed [email protected]3PW12O40

Version 1 : Received: 4 January 2020 / Approved: 5 January 2020 / Online: 5 January 2020 (16:58:11 CET)

How to cite: Zhang, M. Diethyl Carbonate Synthesis from CO2, Ethanol and Propylene Oxide in the presence of Dehydrating Agent of Ethylene over the novel catalysts of Supported [email protected]3PW12O40 and Mixed [email protected]3PW12O40. Preprints 2020, 2020010046 (doi: 10.20944/preprints202001.0046.v1). Zhang, M. Diethyl Carbonate Synthesis from CO2, Ethanol and Propylene Oxide in the presence of Dehydrating Agent of Ethylene over the novel catalysts of Supported [email protected] and Mixed [email protected] Preprints 2020, 2020010046 (doi: 10.20944/preprints202001.0046.v1).

Abstract

Excessive CO2 emissions and alternative energy fuels are two major difficult issues. The utilization of CO2 into fine chemicals is an optimal route. Diethyl carbonate (DEC) is an extremely versatile chemical intermediate. DEC is used in gasoline, pharmaceutical, chemical and other fields. DEC synthesis from CO2 and ethanol is a typical green synthetic route. [email protected]3PW12O40 catalysts were synthesized by two novel methods of supported and mixed. The catalyst prepared by mixed method showed nice catalytic performance. It was confirmed that water removal was the key to improving conversion efficiency. In the presence of dehydrating agent of ethylene, ethanol conversion increased from ca. 3% to ca. 40%. Propylene oxide (PO) was participated in the reaction and ethanol conversion continued to reach to ca.90% while DEC selectivity dropped by half. Under optimal conditions, our [email protected]3PW12O40 catalyst effectively solved the two major issues above.

Subject Areas

CO2; diethyl carbonate; ethanol; dehydrating agent; catalyst

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