Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – From nonhydrocarbon feed
Patent
1978-12-18
1980-10-21
Niebling, John F.
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
From nonhydrocarbon feed
C07C 100
Patent
active
042296080
ABSTRACT:
A catalytic heat balanced cyclic process is provided for converting a charge consisting essentially of methanol, dimethyl ether or mixtures thereof to a hydrocarbon product rich in ethylene and propylene by contact, under specified conditions of temperature and contact time, with a catalyst comprising a crystalline aluminosilicate zeolite characterized by pores, the major dimension of which is less than 6 Angstroms and the capability, under such conditions, of producing less than about 20 weight percent methane in said hydrocarbon product, regenerating the catalyst so employed at a temperature between about 1200.degree. and about 1400.degree. F. to remove accumulated carbonaceous deposit therefrom and provide a source of hot regenerated catalyst for further contact, under controlled temperature conditions, with said charge.
REFERENCES:
patent: 4046825 (1977-09-01), Owen et al.
patent: 4062905 (1977-12-01), Chang et al.
patent: 4134926 (1979-01-01), Tsao et al.
Chen Nai Y.
Haag Werner O.
Lago Rudolph M.
Barclay Raymond W.
Gilman Michael G.
Huggett Charles A.
Mobil Oil Corporation
Niebling John F.
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