Method for dissolving asphaltic material

Details Method for dissolving asphaltic material Method for dissolving asphaltic material

1977-05-09

1978-08-22

Bashore, S. Leon

Cleaning and liquid contact with solids

Processes

Including work heating or contact with combustion products

106278, 134 39, 134 40, 208 45, 208323, 208326, 252 82, 252153, 252542, 252364, B08B 308

Patent

active

041086813

ABSTRACT:
Asphaltic material is dissolved by contact with a solvent composition for a time sufficient to dissolve the asphaltic material wherein the solvent composition is comprised of a liquid heavy aromatic solvent having a high flash point and a fused heterocyclic ring compound or compounds soluble in the heavy aromatic solvent. In another embodiment, the asphaltic material is the binder material of a degraded organic residue whereby dissolution of the asphaltic material enables the convenient disintegration of the degraded organic residue. In still another embodiment, the solvent composition is the oil phase of an oil-water emulsion.

REFERENCES:
patent: 1786860 (1930-12-01), Midgley et al.
patent: 1833429 (1931-11-01), Lovell et al.
patent: 2904458 (1959-09-01), Dykstra et al.
patent: 2956910 (1960-10-01), Giammaria
patent: 2964429 (1960-12-01), Bland
patent: 3794523 (1974-02-01), Thompson
patent: 3914132 (1975-10-01), Sutton
patent: 4033784 (1977-07-01), Lawson et al.

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