Title:
REMOVAL OF POLLUTANT PRODUCING ASH
Document Type and Number:
Japanese Patent JPS56110797
Kind Code:
A
Abstract:
A process for the reclaiming of used lubricating oils, particularly mixtures containing used oil from diesel engine crank cases, is provided to facilitate the separation of an oil phase from residual product in the production of an intermediate low-ash oil or a high-grade lube oil stock which method comprises: (a) contacting the used oil with an aqueous ammonium salt treating agent in the presence of a polyhydroxy compound, (b) removing a major portion of water, and (c) separating the oil phase from the resultant residual product. Optionally, (d) recovering the low-ash product of step (c) for use as a fuel oil, in grease formulations, or in the preparation of lubricating oil formulations. Optionally, the low-ash product of step (d) is (e) subjected to hydrotreating and thereafter (f) stripped.
Inventors:
DONARUDO KARUBIN TABURAA
MAABIN MERIRU JIYONSON
MAABIN MERIRU JIYONSON
Application Number:
JP303581A
Publication Date:
September 02, 1981
Filing Date:
January 12, 1981
Export Citation:
Assignee:
PHILLIPS PETROLEUM CO
International Classes:
C10G29/02; C10G29/22; C10M175/00; C10N40/25; F02B3/06; (IPC1-7): C10G19/02; C10M11/00
Domestic Patent References:
| JPS5321006A | 1978-02-27 | |||
| JP35009331A |
Foreign References:
| US3879282A | 1975-04-22 | |||
| US3930988A | 1976-01-06 |