Process for the conversion of dimethyl ether

Details Process for the conversion of dimethyl ether Process for the conversion of dimethyl ether

1979-11-27

1981-03-03

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

From nonhydrocarbon feed

585733, C07C 100

Patent

active

042542979

ABSTRACT:
Process for the conversion of dimethyl ether into a mixture of substantially aliphatic hydrocarbons and water by means of a catalyst containing boron. The dimethyl ether is put in contact, at a temperature of over 250.degree. C., with a catalyst that consists of a crystalline modification of silica in whose crystal lattice a number of silicon atoms have been replaced by boron atoms.
The amount of boron in the crystalline modificaton, expressed as the molar ratio of the oxides B.sub.2 O.sub.3 and SiO.sub.2, may vary between 0.0005 and 0.025.

REFERENCES:
patent: 4049573 (1977-09-01), Kaeding
patent: 4072732 (1978-02-01), Hargis et al.
patent: 4178317 (1979-12-01), Horn et al.

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