Title:
USED LUBRICATING OIL RECLAIMING
Document Type and Number:
Japanese Patent JP3781444
Kind Code:
B2
Abstract:
PURPOSE: To reduce the concn. of zinc dithiophosphate of a used lubricating oil without producing sticky products and thereby to enable various hydrocarbon products to be easily produced.
CONSTITUTION: In this process for reclaiming a used lubricating oil contg. org. metal compds. such as zinc dithiophosphate in a concn. of 0.01 wt.% or higher, the used lubricating oil is heated to an additive decomposition temp., 204-538°C, for a residence time of 10-120 min. Thus, the concn. of zinc dithiophosphate is reduced to 0.001 wt.% or lower in the absence of a chemical demetallizing agent.
More Like This:
Inventors:
Charles Wesley Harrison
Arthur Gerard Gourneu
Robert Michael Steinberg
Bruce Roy Bond
Arthur Gerard Gourneu
Robert Michael Steinberg
Bruce Roy Bond
Application Number:
JP18130994A
Publication Date:
May 31, 2006
Filing Date:
August 02, 1994
Export Citation:
Assignee:
TEXACO DEVELOPMENT CORPORATION
International Classes:
C10M175/00; C10M175/02; B01D3/10; C10N40/25; F02B3/06; (IPC1-7): C10M175/02; //C10N40:25
Domestic Patent References:
| JP51130406A | ||||
| JP5024301A | ||||
| JP54101808A |
Attorney, Agent or Firm:
Hajime Tsukuni
Mutsuo Watanabe
Mutsuo Watanabe