Metal treatment – Compositions – Heat treating
Patent
1993-11-08
1994-11-15
Rosenberg, Peter D.
Metal treatment
Compositions
Heat treating
148235, B23K 3524
Patent
active
053644760
ABSTRACT:
A variable gas generator is disclosed which is capable of producing a wide variety of product gas compositions heretofore produced only by either exothermic gas generators or endothermic gas generators or a combination of gas generators. The variable gas generator includes a nitrogen membrane module producing a nitrogen-oxygen feed gas which is combined with a hydrocarbon fuel and fed into a conventional endothermic gas generator. By controlling the nitrogen membrane module to produce a desired oxygen-nitrogen feed gas and by controlling the addition of methane and the catalyst bed temperature of the gas within the endothermic generator, a wide variety of product gas composition with carbon potential varying anywhere from one to 80% combustibles can be produced.
REFERENCES:
patent: 2897158 (1959-07-01), Sanzenbacher
patent: 4236941 (1980-12-01), Main
patent: 4249965 (1981-02-01), Schultz
patent: 4805881 (1989-02-01), Schultz
Generon brochure "The Gold Line Membrane Modules for Nitrogen Production".
Surface Combustion, Inc. brochure "RX Endothermic Gas Atmosphere Generator".
Pp. 125-131 of Dec. 1965 issue of "Iron and Steel Engineer" by E. Spielberger
Huber Michael J.
Poor Ralph P.
Nawalanic Frank J.
Rosenberg Peter D.
Surface Combustion, Inc.
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