Title:
原油およびその留分のナフテン酸含有量の低減方法
Document Type and Number:
Japanese Patent JP2004501219
Kind Code:
A
Abstract:
The present invention relates to a process for reducing naphthenic acid content of crude oils and its fractions in the presence of an aqueous base selected from Group IA and IIA hydroxides and ammonium hydroxide and mixtures thereof, a phase transfer agent at a temperature and pressure effective to produce a treated petroleum feed having a decreased naphthenic acid content and an aqueous phase containing naphthenate salts, phase transfer agent and base.
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Inventors:
Granny Mark Alan
Application Number:
JP2001577370A
Publication Date:
January 15, 2004
Filing Date:
March 28, 2001
Export Citation:
Assignee:
EXXON RESEARCH AND ENGINEERING COMPANY
International Classes:
C10G19/02; C10G19/04; (IPC1-7): C10G19/02
Attorney, Agent or Firm:
Toshiaki Ikeura