Process for reclaiming used lubricating oil

Details Process for reclaiming used lubricating oil Process for reclaiming used lubricating oil

1984-04-09

1984-12-25

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Purifying used oil

208 92, 208126, 208184, C10M 1100

Patent

active

044902450

ABSTRACT:
A used lubricating oil is reclaimed by vacuum distillation. The bottoms is vacuum pyrolyzed with limestone to form a virtually insoluble coked mass containing insoluble metal carbonates and free metal. This solid coked residuum is suitable for landfilling.

REFERENCES:
patent: 3919076 (1975-11-01), Cutler et al.
patent: 3980551 (1976-09-01), Wolk
patent: 4332671 (1982-06-01), Boyer
patent: 4360420 (1982-11-01), Fletcher et al.
patent: 4381992 (1983-05-01), Wood et al.

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