Process for removing the nitrogen impurities from a hydrocarbon

Details Process for removing the nitrogen impurities from a hydrocarbon Process for removing the nitrogen impurities from a hydrocarbon

1981-11-05

1983-07-12

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Nitrogen contaminant removal

208254H, C10G 3108, C10G 1706

Patent

active

043929486

ABSTRACT:
Process for removing the nitrogen impurities from a liquid hydrocarbon mixture comprising introducing into a low volume mixer the hydrocarbons to be treated together with a dilute aqueous acid solution to form an emulsion, withdrawing said emulsion into a decantation zone where it breaks and recycling to the low volume mixer from 80 to 95% by volume of the aqueous acid solution coming from the decantation zone, so as to maintain in said low volume mixer a volume ratio of the hydrocarbons to the aqueous acid solution from about 0.3 to about 13, preferably from about 0.5 to about 4, and the pH of the aqueous acid solution from about 0.1 to about 1.5.

REFERENCES:
patent: 3177137 (1965-04-01), Gordon et al.
patent: 3719587 (1973-03-01), Karchmer et al.
patent: 4071435 (1978-01-01), Smith
patent: 4159940 (1979-07-01), Smith
patent: 4271009 (1981-06-01), Stover et al.
patent: 4272361 (1981-06-01), Compton
patent: 4330392 (1982-05-01), Bearden, Jr. et al.

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