FIELD: biochemistry.
SUBSTANCE: invention relates to two variants of a method for producing methane. One embodiment includes contacting an aqueous fluid comprising at least one undesirable constituent, with a heterogeneous catalyst at a pressure of from about 20 atm to about 240 atm and a temperature of from 150 °C to about 373 °C for hydrolysis of at least one undesirable constituent in a fluid and generating a quantity of methane, the heterogeneous catalyst comprising an element selected from the group consisting of ruthenium, nickel, cobalt, iron and combinations thereof, and a solid support selected from the group, consisting of alumina oxide, silica dioxide and carbide.
EFFECT: proposed invention makes it possible to remove from the treated waters kinetic hydrate inhibitors and hydrolyzed polyacrylamide.
12 cl, 1 dwg, 4 ex, 4 tbl
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