Title:
【発明の名称】混合溶剤系を用いる選択的抽出方法
Document Type and Number:
Japanese Patent JP2003505575
Kind Code:
A
Abstract:
A method for concentrating the amount of alkylated mono-aromatics in a lubricating oil feedstock useful as a feedstock for sulfonation. The method comprises extracting a feedstock rich in aromatics with a solvent selected from NMP, phenol and furfural, said feedstock containing sufficient water to provide a raffinate having a target VI between about 86 and 97 under extraction conditions of treat and temperature selected to achieve the target VI. The raffinate is then hydrofmed and solvent dewaxed.
Inventors:
Kent, christopher, jeffrey, still
Ginicola, Anne, M.
Ginicola, Anne, M.
Application Number:
JP2001512809A
Publication Date:
February 12, 2003
Filing Date:
July 21, 2000
Export Citation:
Assignee:
EXXON RESEARCH AND ENGINEERING COMPANY
International Classes:
C10G21/16; C10G21/20; C10G21/30; C10G45/06; C10G45/08; C10G67/04; C10G67/14; C10G73/10; C10G73/12; C10M101/02; C10M177/00; C10N70/00; (IPC1-7): C10G67/04; C10G21/16; C10G21/20; C10G45/06; C10G45/08; C10G67/14; C10G73/10; C10G73/12; C10M101/02; C10M177/00
Attorney, Agent or Firm:
Kenji Kawabi