Process Solutions for Recovery of Dimethyl Ether Produced Through One-Step Synthesis and Their Assessment

Author:

Afokin M. I.,Magomedova M. V.

Abstract

Abstract A number of process solutions for one-step synthesis of dimethyl ether (DME), including a step of its recovery from the gaseous and liquid phases, were reviewed. It was demonstrated that energy-intensive absorption is the most common method for DME recovery from a gaseous stream containing syngas components. It was also shown that the world licensors of one-step DME synthesis provide for an additional dehydration reactor to utilize the methanol co-product. Energy and capital intensity was estimated for two DME production options, specifically the methanol dehydration route and the one-step DME synthesis over a bifunctional catalyst. Finally, it was demonstrated that the one-step option is inferior to the two-step design in terms of both criteria, and that the key cost factor is associated with DME recovery from the gaseous phase.

Publisher

Pleiades Publishing Ltd

Subject

Geochemistry and Petrology,Energy Engineering and Power Technology,Fuel Technology,General Chemical Engineering,General Chemistry

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Fuel gas from syngas;Advances in Synthesis Gas : Methods, Technologies and Applications;2023

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