Title:
潤滑基油の製造方法
Document Type and Number:
Japanese Patent JP2009513726
Kind Code:
A
Abstract:
A process to prepare a base oil having a viscosity index of above 80 and a saturates content of above 90 wt % from a crude derived feedstock by (a) contacting a crude derived feedstock in the presence of hydrogen with a catalyst having at least one Group VIB metal component and at least one non-noble Group VIII metal component supported on a refractory oxide carrier; (b) adding to the effluent of step (a) or part of the effluent of step (a) a Fischer-Tropsch derived fraction boiling at least partly in the base oil range in an amount effective to achieve the target viscosity index of the final base oil; and (c) dewaxing the mixture as obtained in step (b).
Inventors:
Peter James Wardle
William Leonard Alexander King
William Leonard Alexander King
Application Number:
JP2006516173A
Publication Date:
April 02, 2009
Filing Date:
June 21, 2004
Export Citation:
Assignee:
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BESLOTEN VENNOOTSHAP
International Classes:
C10G65/12; C10G2/00; C10G45/58; C10G67/04
Domestic Patent References:
| JPH11269470A | 1999-10-05 | |||
| JPH11269470A | 1999-10-05 |
Attorney, Agent or Firm:
Kazuho Kawarada