Settling aids for solids in hydrocarbons
AssigneeBetz Laboratories, Inc.
InventorsPaul R. Hart, Wiley L. Parker, Alan E. Goliaszewski, April Jean, Scott E. Lehrer
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 quaternary fatty ammonium compound. Preferably, the hydrocarbon is a fluid catalytic cracker slurry containing spent catalyst fines.
Claims10
A method for accelerating the settling of finely divided oil and water insoluble solids in hydrocarbon fluids comprising adding to said hydrocarbons an effective settling amount of a quaternary fatty ammonium compound having the formula ##STR3## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are --R.sub.5 --, --(R.sub.5 O).sub.m --, or ##STR4## where R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are C.sub.1 to C.sub.30 alkylene, alkenylene, or alkylarylidene, and m is 1-25, x is a halide, sulfate, nitrate, phosphate or carboxylate anion, and n is 1 to 50.
Dependencies are inferred from the claim text.