Combination of asphaltenes with flow improver polymers to improv

Details Combination of asphaltenes with flow improver polymers to improv Combination of asphaltenes with flow improver polymers to improv

1973-10-12

1978-02-21

Higel, Floyd D.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 66, 44 70, C10L 118

Patent

active

040749789

ABSTRACT:
Certain high boiling (e.g. above 600.degree. F) fuel oils, such as atmospheric residua fuel oils, and vacuum distillate fuels, e.g., flash distillate oils, vacuum bottoms, and various fuel blends containing said oils, which are deficient in an asphaltene component can be made more responsive to polymeric flow improvers by treating them with certain asphaltene materials. These asphaltene materials may be added either directly to the oil or first combined with the flow improver and the combination added to the oil. The polymeric flow improvers are polymers having long linear side chains. The asphaltene materials added to the oil, will generally have a heptane precipitatable asphaltene content of 5 to 100% by weight and can either be asphaltenes per se, or an oil fraction high in asphaltenes.

REFERENCES:
patent: 2664388 (1953-12-01), Winterhalter
patent: 2938775 (1960-05-01), Siegel
patent: 3369992 (1968-02-01), Henke et al.
patent: 3449251 (1969-06-01), Tunkel et al.
patent: 3660057 (1972-05-01), Ilnyckyj
patent: 3792984 (1974-02-01), Cole et al.
patent: 3853497 (1974-12-01), Miller et al.
patent: 3862825 (1975-01-01), Sweeney
Kalichevsky et al., "Petroleum Refining with Chemicals," p. 524, 1956.

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