Process for the continuous production of petroleum-derived pitch

Details Process for the continuous production of petroleum-derived pitch Process for the continuous production of petroleum-derived pitch

1977-11-08

1979-12-04

O'Keefe, Veronica

Mineral oils: processes and products

Products and compositions

Asphalts, tars, pitches and resins

208 6, 208 40, C10C 300

Patent

active

041771320

ABSTRACT:
A process for the continuous production of petroleum-derived pitch comprising the steps of subjecting a heavy fraction boiling at not lower than 150.degree. C., the heavy fraction being obtained by the steam cracking of petroleum-derived hydrocarbons, to a specified first-step heat treatment, subjecting the first-step treated fraction to a specified second-step heat treatment and then removing the light fraction from the second-step treated fraction thereby to obtain the petroleum-derived pitch.

REFERENCES:
patent: 2752290 (1956-06-01), Beattie
patent: 3794579 (1974-02-01), Enomoto et al.
patent: 4080283 (1978-03-01), Noguchi et al.
patent: 4086156 (1978-04-01), Dickakian

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