METHOD OF PRODUCING SYNTHETIC GAS (VERSIONS) Russian patent published in 1999 - IPC

Abstract RU 2125538 C1

FIELD: synthetic fuels. SUBSTANCE: in the first version, starting materials' stream containing lower alkanes and incoming oxidative stream containing molten metal oxide are passed through combustion zone. Lower alkanes and molten metal oxide come to interact with each other to form oxidized product stream containing relatively small amount of metal oxide. Exit oxidant stream and oxygen-containing regeneration stream are passed through regeneration zone wherein the two streams exothermically react to give regenerated oxidant stream and leaving stream. Oxidized product stream is passed through conversion zone to produce synthetic gas. At least a part of heat evolved in exothermic reaction in regeneration zone passes into conversion zone. According to another version, stream of starting materials containing lower alkanes and incoming oxidative stream containing molten metal oxide are passed through combustion zone to give oxidized product stream containing carbon dioxide and water. Interaction also results in exit oxidant stream containing relatively small amount of metal oxide. Outlet oxidant stream and air stream are mixed to enhance exothermic reaction resulting in emission of heat, leaving stream, and regenerated oxidant stream. Heat is transferred from regenerated oxidant stream to oxidized product stream over heat exchanger. In conversion zone containing conversion catalyst, oxidized product stream is subjected to endothermic conversion to yield synthetic gas stream. Regenerated oxidant stream is returned into combustion zone. EFFECT: reduced carbon dioxide content in final product. 20 cl, 1 dwg, 1 tbl, 2 ex

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RU 2 125 538 C1

Authors

Spengler Majkl Dzh.

Dates

1999-01-27Published

1995-06-20Filed