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Patent Searching and Data


Title:
【発明の名称】油処理法
Document Type and Number:
Japanese Patent JP2002538264
Kind Code:
A
Abstract:
A process for the production of a process oil, the process comprising:a) contacting a petroleum distillate with a polar solvent in an extraction column which operates with a bottom temperature of 30 to 80° C.,b) withdrawing a primary raffinate from the column of step a),c) contacting the primary raffinate with a polar solvent in an extraction column which operates at a bottom temperature that is higher than the bottom temperature of the extraction column of step a), and in the range of 60 to 90° C.,d) withdrawing a secondary extract from the column of step c), ande) removing said polar solvent from said secondary extract.

Inventors:
Davis, John, Philip
Grace, Kelly, Peta
Application Number:
JP2000602728A
Publication Date:
November 12, 2002
Filing Date:
February 23, 2000
Export Citation:
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Assignee:
BP OIL INTERNATIONAL LIMITED
BP Refinery (Kwinana) Proprietary Limited
International Classes:
C10G21/00; C10G53/06; (IPC1-7): C10G53/06; B01D11/04; C10G21/12
Domestic Patent References:
JPH1180751A1999-03-26
JPS56151787A1981-11-24
JPS588790A1983-01-18
Attorney, Agent or Firm:
Haruo Hamada