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Dimethyl ether production from methanol and/or syngas

United States Patent

February 17, 2015
View the Complete Patent at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
Disclosed are methods for producing dimethyl ether (DME) from methanol and for producing DME directly from syngas, such as syngas from biomass. Also disclosed are apparatus for DME production. The disclosed processes generally function at higher temperatures with lower contact times and at lower pressures than conventional processes so as to produce higher DME yields than do conventional processes. Certain embodiments of the processes are carried out in reactors providing greater surface to volume ratios than the presently used DME reactors. Certain embodiments of the processes are carried out in systems comprising multiple microchannel reactors.
Dagle; Robert A. (Richland, WA), Wang; Yong (Richland, WA), Baker; Eddie G. (Pasco, WA), Hu; Jianli (Kennewick, WA)
Battelle Memorial Institute (Richland, WA)
11/ 241,321
September 30, 2005
ACKNOWLEDGMENT OF GOVERNMENT SUPPORT This invention was made with Government support under Contract DE-AC0576RLO1830 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.