Upgrading oil emulsions with carbon monoxide or synthesis gas

Details Upgrading oil emulsions with carbon monoxide or synthesis gas Upgrading oil emulsions with carbon monoxide or synthesis gas

1990-09-06

1992-04-14

McFarlane, Anthony

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

423650, 423651, 208126, C10G 900

Patent

active

051045168

ABSTRACT:
Several procedures are provided herein which reduce the viscosity and density of heavy oils to make them amenable for transportation by pipeline from the field to refineries for further processing. The procedure involves contacting a water emulsion of a heavy oil with carbon monoxide at a pressure range and a temperature range such that a water gas shift reaction takes place to convert the steam and carbon monoxide to hydrogen and carbon dioxide. Simultaneously, a thermal rearrangement takes place, thereby reducing the viscosity and density of the oil without any significant thermal cracking. Under one scheme, at a low temperature range, e.g. below about 400.degree. C., there is substantailly no cracking and minimal molecular changes. Under another scheme, at a higher temperature range, e.g. up to about 460.degree. C., significant cracking and molecular changes take place. Nevertheless under both schemes there is a net production of hydrogen and carbon dioxide, and both hydrogen and carbon dioxide are separated, and may be used in other processes.

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patent: 4309274 (1982-01-01), Bartholic
patent: 4504377 (1985-03-01), Shu et al.
patent: 4542114 (1985-09-01), Hegarty

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