Method for oxidative coupling of methane comprising catalytic cr

Details Method for oxidative coupling of methane comprising catalytic cr Method for oxidative coupling of methane comprising catalytic cr

1995-11-21

1998-05-12

Caldarola, Glenn

Chemistry of hydrocarbon compounds

Special chemical considerations

Synthesis from methane or inorganic carbon source, e.g.,...

585312, 585313, 585324, 585500, 585510, C07C 100, C07C 200

Patent

active

057508216

ABSTRACT:
The following steps are conducted for producing a hydrocarbon having a carbon number of at least 2: a coupling step, in which a coupling feed gas containing methane and a gas containing oxygen are supplied to a conveying catalyst bed which is formed by an ascending stream which contains a catalyst, and then methane and oxygen are allowed to react so as to produce a coupling product gas; a catalyst separation step for separating the catalyst from the coupling product gas; and a catalyst feedback step for feeding back the thus-separated catalyst to the coupling step. Accordingly, the reaction system does not accumulate excessive heat, the combustion reaction as a side reaction is hindered, and the selectivity of the coupling reaction is enhanced. In addition, the yield of the hydrocarbon having a carbon number of at least 2 is improved.

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patent: 5095161 (1992-03-01), Abrevaya et al.
patent: 5118898 (1992-06-01), Tyler et al.
patent: 5132481 (1992-07-01), Do et al.
patent: 5254781 (1993-10-01), Calamur et al.

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