Three-stage process for deasphalting resid, removing fines from

Details Three-stage process for deasphalting resid, removing fines from Three-stage process for deasphalting resid, removing fines from

1990-11-20

1992-06-23

Myers, Helane

Mineral oils: processes and products

Fractionation

Deasphalting

208 86, 208 87, 208 96, 208162, 208212, 208251H, C10G 2100

Patent

active

051240262

ABSTRACT:
The invention reduces cracking catalyst fines in decanted oil by mixing the decanted oil (DCO) containing cracking catalyst fines with asphaltene and then treating the DCO-asphaltene mixture with a non-aromatic hydrocarbon solvent in an extraction unit or in a multi-stage deasphalting unit.

REFERENCES:
patent: 2692222 (1954-10-01), Pakie
patent: 2900308 (1959-08-01), Matyear, Jr.
patent: 3798157 (1974-03-01), Manzanilla et al.
patent: 4354922 (1982-10-01), Derbyshire et al.

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