Title:
MANUFACTURE OF ASH CONTENT-FREE LUBRICATING OIL
Document Type and Number:
Japanese Patent JPS58132082
Kind Code:
A
Abstract:
A process for purifying used oil and the like comprising reacting the oil with a treating agent that will form solids from the ash-forming components of the oil, separating the solids from the oil, and subjecting at least a portion of the oil to a two stage hydrotreatment with interstage removal of hydrogen sulfide and/or ammonia.
Inventors:
MAABIN MERIRU JIYONSON
GAAHAADO POORU NOWATSUKU
GAAHAADO POORU NOWATSUKU
Application Number:
JP18055182A
Publication Date:
August 06, 1983
Filing Date:
October 14, 1982
Export Citation:
Assignee:
PHILLIPS PETROLEUM CO
International Classes:
C10G67/02; C10M175/00; C10N40/00; C10N40/04; C10N40/08; C10N40/25; C10N60/02; (IPC1-7): C10G67/02; C10M11/00
Attorney, Agent or Firm:
Hideto Asamura