Process for deasphaltenating cat cracker bottoms and for product

Details Process for deasphaltenating cat cracker bottoms and for product Process for deasphaltenating cat cracker bottoms and for product

1981-08-11

1984-01-24

Gantz, Delbert E.

Mineral oils: processes and products

Asphalts, tars, pitches and resins; making, treating and...

By chemical conversion of oil

208 44, 208 39, 208 96, 208309, C10C 120, C10C 118, C10C 306, C10C 308

Patent

active

044275315

ABSTRACT:
A process for removing asphaltenes present in cat cracker bottoms is disclosed. Basically, the process requires removal of at least a portion of the polynuclear aromatic oils present in the cat cracker bottom, for example, by vacuum stripping, whereby the asphaltenes are thereafter capable of being extracted from the so-treated cat cracker bottom. Heat soaking of the asphaltene-free cat cracker bottom results in a pitch particularly suitable for carbon artifact manufacture.

REFERENCES:
patent: 2790754 (1957-04-01), Johnston et al.
patent: 2843531 (1958-07-01), Corneil et al.
patent: 3919376 (1975-11-01), Schutz
patent: 4208267 (1980-06-01), Diefendorf et al.
patent: 4240898 (1980-12-01), Gomi
patent: 4277324 (1981-07-01), Greenwood

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