Process for fractionating solid asphalts

Details Process for fractionating solid asphalts Process for fractionating solid asphalts

1987-02-26

1988-07-05

Sneed, Helen M. S.

Mineral oils: processes and products

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

Solvent extraction

208309, 208311, 208313, 208321, 208428, 208322, 208323, 208370, 106273R, 106278, 44 51, 44 61, 241 14, 241 15, 241 16, C10C 118

Patent

active

047552786

ABSTRACT:
This process for fractionating solid asphalts is operable under low temperature and pressure conditions.
The process consists of treating a suspension of asphalt powder in a surfactant-containing aqueous phase by means of a hydrocarbon solvent immiscible with water and of separating:

REFERENCES:
patent: 2440311 (1948-04-01), Tiddy
patent: 3079326 (1963-02-01), Neuworth
patent: 3206388 (1965-09-01), Pitchford
patent: 3360455 (1967-12-01), Corbett et al.
patent: 3434967 (1969-03-01), Oldengurg
patent: 3684699 (1972-08-01), Vermeulenetal
patent: 3733259 (1973-05-01), Wilson et al.
patent: 3761387 (1973-09-01), Wegener
patent: 3776052 (1973-10-01), Brodovsky et al.
patent: 3779895 (1973-12-01), Wilson et al.
patent: 3884829 (1975-05-01), Moyer
patent: 3904428 (1975-09-01), McConnaughay
patent: 3923537 (1975-12-01), Wood
patent: 4021335 (1977-05-01), Beaton
patent: 4108681 (1978-08-01), Lawson et al.
patent: 4133740 (1979-01-01), Paraskos et al.
patent: 4139451 (1979-02-01), Pavilcius et al.
patent: 4269693 (1981-05-01), Hastie
patent: 4279739 (1981-07-01), Roach
patent: 4537600 (1985-08-01), Taijima et al.
patent: 4572781 (1986-02-01), Krasuk et al.
patent: 4582591 (1986-04-01), Hoermeyer et al.
patent: 4623359 (1986-11-01), Yaghmare et al.
patent: 4634520 (1987-01-01), Angelov et al.
patent: 4686028 (1987-08-01), Van Driesen et al.
The Condensed Chemical Dictionary, Sixth Edition, Reinhold Publishing Corp., pp. 1099, 438, and 439.

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