Title:
【発明の名称】原油および留出油中のナフテン酸の除去
Document Type and Number:
Japanese Patent JP2002509979
Kind Code:
A
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): where m+n=5 to 50 and R=linear or branched alkyl group of C8 to C20.(B) H-(OCH2CH2)y-(CH2CHCH3O)p-{NHCH2CH2NH}x-(CH2CH2O)z-(CH2CHCH3O)q-Hwhere x=1 to 3 and y+z=2 to 6, and wherein p+q=0 to 15, mixtures of formula (A) and mixtures of formula (B); wherein said starting crude oil is selected from the group consisting of crude oils, crude oil blends, and crude oil distillates; and (b) separating said emulsion of step (a) into a plurality of layers, wherein one of such layers contains a treated crude oil having decreased amounts of organic acids; (c) recovering said layer of step (b) containing said treated crude oil having a decreased amount of organic acid and layers containing water and alkoxylated amine salt.
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Inventors:
Varadara Ramesh
Pugel Thomas Michael
Savage David William
Pugel Thomas Michael
Savage David William
Application Number:
JP2000541264A
Publication Date:
April 02, 2002
Filing Date:
March 19, 1999
Export Citation:
Assignee:
EXXON RESEARCH AND ENGINEERING COMPANY
International Classes:
C10G19/02; C10G21/20; C10G29/00; C10G29/20; (IPC1-7): C10G29/20; C10G19/02; C10G21/20
Attorney, Agent or Firm:
Toshiaki Ikeura