Process for hydroshifting dimethyl ether

Details Process for hydroshifting dimethyl ether Process for hydroshifting dimethyl ether

1996-02-06

1997-05-06

Geist, Gary

Compositions

Gaseous compositions

Carbon-oxide and hydrogen containing

518700, 518703, C07C 100, C07C 102

Patent

active

056267940

ABSTRACT:
A process for hydroshifting dimethyl ether is described which comprises passing a feed stream which includes dimethyl ether and steam to a hydroshifting reaction zone including an essentially alkali metal-free catalytic composition substantially composed of copper or nickel in elemental form. The process produces a hydroshifted product stream which is relatively rich in hydrogen, carbon monoxide, and carbon dioxide.
The feed stream can be transported relatively easily in liquid form at comparatively low pressures. The hydroshifting reaction zone can include a hydrolysis reaction zone and a water-gas shift reaction zone. The hydrolyzed product and the water-gas shift product can be recovered to obtain hydrogen and carbon dioxide, respectively. Additionally, the hydroshifted product stream can be blended with an oxidizing stream and combusted to drive a turbine in order to generate mechanical energy.

REFERENCES:
patent: 4046522 (1977-09-01), Chen et al.
patent: 4193259 (1980-03-01), Muenger et al.
patent: 4202167 (1980-05-01), Suggitt et al.
patent: 4958488 (1990-09-01), Wilkes et al.
patent: 5043150 (1991-08-01), Hiltunen et al.
Journal of Catalysis 125, 571-573 (1990) Effect of Hydrogen reduction on Activity and Selectivity of Methanol Decomposition over Titanium Oxide--Imai et al.

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