Fuel oil blending to improve pour reduction

Details Fuel oil blending to improve pour reduction Fuel oil blending to improve pour reduction

1977-11-23

1978-11-28

Douglas, Winston A

Fluid handling

Processes

Affecting flow by the addition of material or energy

44 62, 44 70, F17D 116, F17D 117

Patent

active

041271386

ABSTRACT:
A low pour point fuel oil composition is prepared from a major amount of a high pour point, low sulfur, waxy, residual fuel and a minor amount of low wax, low pour, residual fuel oil by adding thereto from 0.01 to 0.5% by weight of an oil soluble terpolymer such as vinyl acetate-ethylene-vinyl chloride or allyl chloride having a number average molecular weight of about 4,000 to about 70,000. The copolymer may be added either in a water-glycol emulsion or in a hydrocarbon to one of the blend components which has been heated to between about 25.degree. to 150.degree. C. In another aspect, this invention relates to a process for the pipeline transportation of the low pour fuel oil compositions previously described.

REFERENCES:
patent: 3776247 (1973-12-01), Choufoer et al.
patent: 3830761 (1974-08-01), Lenney
patent: 3904579 (1975-09-01), Braddicks
patent: 3915668 (1975-10-01), Basalay et al.
patent: 4050742 (1977-09-01), Hughes et al.

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