Removal of naphthenic acids in crude oils and distillates

Details Removal of naphthenic acids in crude oils and distillates Removal of naphthenic acids in crude oils and distillates

1998-03-27

2000-08-01

Griffin, Walter D.

Mineral oils: processes and products

Refining

Organic acid or phenol contaminant removal

208290, 208291, C10G 1900

Patent

active

060961961

ABSTRACT:
The instant invention is directed a process for extracting organic acids from a starting crude oil comprising the steps of: (a) treating the starting crude oil containing naphthenic acids with an amount of an alkoxylated amine and water under conditions and for a time and at a temperature sufficient to form a water-in-oil emulsion of amine salt wherein said alkoxylated amine is selected from the group consisting of alkoxylated amines having the following formulae (A) and (B): ##STR1## where m+n=5 to 50 and R=linear or branched alkyl group of C.sub.8 to C.sub.20.

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