Desulfurizing a fuel with alkanol-alkali metal hydrosulfide solu

Details Desulfurizing a fuel with alkanol-alkali metal hydrosulfide solu Desulfurizing a fuel with alkanol-alkali metal hydrosulfide solu

1979-10-01

1981-02-03

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Sulfur removal

208208R, 208234, C10G 1908, C10G 2116

Patent

active

042486955

ABSTRACT:
Petroleum crude and certain liquid distillate fractions derived therefrom, and other sulfur containing fuels or residues are reduced in sulfur content by intimately contacting the fuel or residues with alkanol solutions of alkali metal hydrosulfides, at temperatures and pressures from ambient up to the critical temperature of the alkanol for from 1 to 20 minutes. Thereafter, the fuel is caused to separate from the alkanol solution by the addition of water. A liquid-liquid separation separates desulfurized fuel from the alkanol solution. Hydrogen sulfide formed in the process is used to re-generate alkali metal hydrosulfide for use in desulfurizing additional petroleum fuel.

REFERENCES:
patent: 1899042 (1933-02-01), Malisoff
patent: 1940726 (1933-12-01), Morrell
patent: 2360537 (1944-10-01), Ayers et al.
patent: 2549052 (1951-04-01), Brown et al.
patent: 4119528 (1978-10-01), Baird et al.

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