Chemistry: fischer-tropsch processes; or purification or recover – With preliminary reaction to form hydrogen or a carbon oxide – Gaseous oxygen utilized in the preliminary reaction
Patent
1996-01-05
1998-06-16
Geist, Gary
Chemistry: fischer-tropsch processes; or purification or recover
With preliminary reaction to form hydrogen or a carbon oxide
Gaseous oxygen utilized in the preliminary reaction
518702, 518704, 518705, 423453, 423458, C07C 2706
Patent
active
057671656
ABSTRACT:
A process for the production of methanol from natural gas containing methane comprising the thermal decomposition of methane and the subsequent reaction of the resulting hydrogen gas with carbon dioxide in a catalyst containing methanol synthesis reactor to produce methanol. Alternative methods include the gasification with carbon dioxide of at least a portion of the carbon produced by the decomposing step, to produce carbon monoxide, which is then reacted with hydrogen gas to produce methanol; or the reforming of a portion of the natural gas feedstock used in the decomposing step with carbon dioxide to produce carbon monoxide and hydrogen gas, which carbon monoxide and hydrogen are then combined with additional hydrogen from the natural gas decomposing step in a methanol synthesis reactor to produce methanol. The methods taught reduce the overall amount of carbon dioxide resulting from the methanol production process.
REFERENCES:
patent: 1803221 (1931-04-01), Tyrer et al.
patent: 5529599 (1996-06-01), Calderon
Kirk-Othmer Encyclopedia of Chemical Technology,vol. 12, p. 965, 1978.
Kirk-Othmer Encyclopedia of Chemical Technology,vol. 15,p. 400, 1978.
Dong Yuanji
Steinberg Meyer
Geist Gary
Padmanabhan S.
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