Catalysts and method

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof

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562609, 570244, 502227, 502229, C07C 51215

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active

050196529

ABSTRACT:
An improved catlayst and method for the oxyhydrochlorination of methane is disclosed. The catalyst includes a pyrogenic porous support on which is layered as active material, cobalt chloride in major proportion, and minor proportions of an alkali metal chloride and of a rare earth chloride. On contact of the catalyst with a gas flow of methane, HC1 and oxygen, more than 60% of the methane is converted and of that converted more than 40% occurs as monochloromethane. Advantageously, the monochloromethane can be used to produce gasoline boiling range hydrocarbons with the recycle of HCl for further reaction. This catalyst is also of value for the production of formic acid as are analogous catalysts with lead, silver or nickel chlorides substituted for the cobalt chloride.

REFERENCES:
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patent: 4123389 (1978-10-01), Pieters et al.
patent: 4194990 (1980-03-01), Pieters et al.
patent: 4665270 (1987-05-01), Brophy et al.
patent: 4769504 (1988-09-01), Noceti et al.
PCT/GB84/00429 International Application, June 20, 1985.
European Patent Application No. 0117731 to Bromhead.
Louderback, "Formic Acid and Derivatives", Kirk-Othmer Encyclopedia of Chemical Technlogy, Second Edition, vol. 10, pp. 99-113.
Applied Catalysts, 11 (1984), pp. 35-71.
Taylor and Noceti, "Novel Catalysts for the activation of Methane", Poster Session, May 7, 1989, American Catalysis Society, Dearborn, MI.

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