Process for the simultaneous preparation of methacrylonitrile an

Details Process for the simultaneous preparation of methacrylonitrile an Process for the simultaneous preparation of methacrylonitrile an

1974-11-01

1976-12-21

Brust, Joseph P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260680E, C07C12014, C07C 1112

Patent

active

039988678

ABSTRACT:
This invention relates to a process for simultaneously preparing methacrylonitrile and 1,3-butadiene from a mixture of butanes and butenes (hereinafter referred to as a mixed butane-butene) consisting of isobutane, n-butane, isobutylene, 1-butene, cis-2-butene and trans-2-butene, in excellent selectivity and single pass yield. More particularly, this invention relates to a process for the simultaneous preparation of methacrylonitrile and 1,3-butadiene which comprises subjecting the mixed butane-butene, at high temperatures and in vapor phase, to ammoxidation and oxidative dehydrogenation with a gas containing ammonia and either air or oxygen, using a catalyst of the general formula:

REFERENCES:
patent: 3414631 (1968-12-01), Grasselli et al.
patent: 3642930 (1972-02-01), Grasselli et al.

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