Title:
REPURIFICATION OF USED LUBRICATING OIL BY HYDRIDE REDUCING AGENT
Document Type and Number:
Japanese Patent JPS58120698
Kind Code:
A
Abstract:
Used lubricating oil is rerefined utilizing hydride reducing agents. The hydride reducing agent contacts the used oil in an aqueous solution, for example. Contact with the hydride reducing agent may occur before, during or after distillation or evaporation of the used lubricating oil. The disclosed method reduces the concentration of carbonyl compounds and metals and reduces the corrosion characteristics of used lubricating oil.
Inventors:
RICHIYAADO ETSUCHI OBURASUNII
Application Number:
JP16642782A
Publication Date:
July 18, 1983
Filing Date:
September 24, 1982
Export Citation:
Assignee:
DERUTA CENTRAL RIFUAININGU INC
International Classes:
C10G29/06; C10G45/24; C10M175/00; C10N40/25; C10N60/02; (IPC1-7): C10M11/00
Attorney, Agent or Firm:
Kyozo Yuasa