Process for the oxidative coupling of methane to higher hydrocar

Details Process for the oxidative coupling of methane to higher hydrocar Process for the oxidative coupling of methane to higher hydrocar

1990-06-14

1992-07-21

Garvin, Patrick P.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

585415, 585417, 585418, 585541, 585654, 585656, 585658, 585661, 585700, 585943, C07C 200

Patent

active

051324822

ABSTRACT:
An improvement in the process for the oxidative coupling of methane is provided. Typically, the reaction takes place in a reactor that includes a catalyst zone. A primary CH.sub.4 /O.sub.2 stream is fed into the entrance of the reactor and reacted at a temperature of 600.degree. C.-1000.degree. C. and a pressure of between 101 kPa and 800 kPa. The improvement comprises introducing an auxiliary oxygen stream directly into the catalyst zone and one or more points to thereby selectively increase the yield of C.sub.2+ products.

REFERENCES:
patent: 4499323 (1985-02-01), Gaffney
patent: 4523050 (1985-06-01), Jones et al.
patent: 4665259 (1987-05-01), Brazdil et al.

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