Process for producing liquefied petroleum gas

Details Process for producing liquefied petroleum gas Process for producing liquefied petroleum gas

2005-08-09

2010-06-01

Parsa, Jafar (Department: 1621)

Chemistry: fischer-tropsch processes; or purification or recover

Liquid phase fischer-tropsch reaction

C518S702000, C518S711000, C585S310000

Reexamination Certificate

active

07728046

ABSTRACT:
A synthesis gas is produced from a carbon-containing starting material such as a coal; a CO-containing gas is separated from the resultant synthesis gas, whereby obtaining a gas containing carbon monoxide and hydrogen; a methanol- and/or dimethyl ether-containing gas is produced from the resultant gas containing carbon monoxide and hydrogen; meanwhile, a H2-containing gas is produced from the CO-containing gas and the H2O-containing gas separated from the lower-paraffin-containing gas by a shift reaction; a lower-paraffin-containing gas containing propane or butane as a main component of hydrocarbons contained therein is produced from the methanol- and/or dimethyl ether-containing gas and the H2-containing gas; and a H2O-containing gas is separated from the resultant lower-paraffin-containing gas, whereby obtaining a liquefied petroleum gas.

REFERENCES:
patent: 7297825 (2007-11-01), Fujimoto et al.

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