Use of dilute aqueous solutions of alkali polysulfides to remove

Details Use of dilute aqueous solutions of alkali polysulfides to remove Use of dilute aqueous solutions of alkali polysulfides to remove

1988-02-25

1990-04-10

Caldarola, Glenn

Mineral oils: processes and products

Refining

Metal contaminant removal

208284, 208253, 210702, 505856, C10G 1700

Patent

active

049158180

ABSTRACT:
Disclosed is a method of removing mercury from contaminated liquid hydrocarbons (natural gas condensate) by contacting them with a dilute aqueous solution of alkali metal sulfide salt and recovering the treated liquid hydrocarbon. The addition of alkali metal hydroxide enhances the phase separation of hydrocarbon and aqueous solution.

REFERENCES:
patent: 4014592 (1986-09-01), Googin et al.
patent: 4053401 (1977-10-01), Fukushima et al.
patent: 4147626 (1979-04-01), Findlay et al.
patent: 4354942 (1982-10-01), Kaczur et al.
patent: 4619744 (1986-10-01), Horton

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