Chemistry of hydrocarbon compounds – Purification – separation – or recovery – By addition of extraneous agent – e.g. – solvent – etc.
Patent
1994-05-25
1995-12-19
Achutamurthy, P.
Chemistry of hydrocarbon compounds
Purification, separation, or recovery
By addition of extraneous agent, e.g., solvent, etc.
585 4, 585833, 208180, 208289, C07C 700, C10G 2900
Patent
active
054769884
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.
REFERENCES:
patent: 3363021 (1968-01-01), Tucci
patent: 3539653 (1970-11-01), Frevel et al.
patent: 5196630 (1993-03-01), Agrawal et al.
Goliaszewski Alan E.
Hart Paul R.
Jean April
Lehrer Scott E.
Parker Wiley L.
Achutamurthy P.
Betz Laboratories Inc.
Ricci Alexander D.
Von Neida Philip H.
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