Purification of hydrocarbon streams

Details Purification of hydrocarbon streams Purification of hydrocarbon streams

1980-12-16

1983-01-25

Spitzer, Robert H.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

202176, 203 10, 204136, 204302, 210748, 210799, 210805, 210806, 210243, B01D 1104

Patent

active

043702368

ABSTRACT:
A hydrocarbon stream containing particulate and water-soluble compound is purified by admixture therewith of an aqueous solution followed by electrostatic precipitation of the aqueous and particulate phases from the hydrocarbon phase. The aqueous phase is separated from the particulate phase and recycled. Preferably, the aqueous phase is fractionated recovering methanol overhead and recycling a portion of the kettle product containing primarily water and not more than 20 volume percent ethylene glycol.

REFERENCES:
patent: 887666 (1908-05-01), Lester
patent: 1853393 (1932-04-01), Anderson
patent: 2768062 (1956-10-01), Kartenbeck
patent: 2776725 (1957-01-01), Wood
patent: 3089750 (1963-05-01), Samuelson et al.
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patent: 4002565 (1977-01-01), Larrell et al.
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patent: 4179347 (1979-12-01), Krause et al.
patent: 4252631 (1981-02-01), Horarongtung
patent: 4290882 (1981-09-01), Dempsey
Pipe Line Industry, Nov. 1961, pp. 40-42, "Electrostatic Precipitator Removes Corrosion Products from NGL Lines," L. E. Lee.
"Horizontal Metercell Precipitator for Distillate-Type Fuels," cutaway perspective view from Howe-Baker, Inc.

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