Demetallization of heavy oils with phosphorous acid

Details Demetallization of heavy oils with phosphorous acid Demetallization of heavy oils with phosphorous acid

1984-09-27

1985-06-11

Gantz, D. E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

208211, 208252, C10G 4500, C10G 1700

Patent

active

045227020

ABSTRACT:
An improved process for removing metals from heavy oils and other hydrocarbon feed streams is disclosed. The process includes adding phosphorous acid to the hydrocarbon feed stream under suitable demetallizing conditions. It is believed that phosphorous acid reacts with the metals contained in the hydrocarbon containing feed stream to form oil-insoluble compounds that can be removed from the hydrocarbon containing feed stream by any conventional method, such as filtration, centrifugation, or settling/decantation.

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patent: 3622505 (1971-11-01), Tilley et al.
patent: 4159940 (1979-07-01), Smith
patent: 4192736 (1980-03-01), Kluksdahl
patent: 4411774 (1983-10-01), Johnson

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