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US 5,481,059 AGranted
Settling aids for solids in hydrocarbons
AssigneeBetz Laboratories, Inc.
InventorsGene F. Brock, Mark S. Binford, Paul R. Hart
Life of this patent
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Abstract
A method for accelerating the settling of finely divided solids in hydrocarbon fluids comprising adding to the hydrocarbon a sufficient settling amount of a polyacrylic acid adducted alkylphenol-formaldehyde resin alkoxylate compound. Preferably, the hydrocarbon is a fluid catalytic cracker slurry containing spent catalyst fines.
Claims6
A method for accelerating the settling of finely divided solids in hydrocarbon fluids comprising adding to said hydrocarbons an effective settling amount of a polyacrylic acid adducted alkylphenolformaldehyde resin alkoxylate compound.
Dependencies are inferred from the claim text.