Coprocessing of residual oil and coal

Details Coprocessing of residual oil and coal Coprocessing of residual oil and coal

1980-09-12

1982-03-02

Gantz, Delbert E.

Mineral oils: processes and products

Phenolic or toxic oils

C10G 100

Patent

active

043177115

ABSTRACT:
This invention provides a method for coprocessing of residual oil and coal which in one embodiment involves the steps of (1) visbreaking a slurry of heavy hydrocarbon oil and finely divided coal; (2) deasphalting the visbroken admixture to provide a solvent-oil fraction and a precipitated asphaltic solids fraction; (3) stripping the deasphalting solvent from the oil fraction to yield demetallized liquid hydrocarbon product; and (4) treating the asphaltic solids fraction under flotation conditions in an aqueous medium to recover a float phase of organic solids product.

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