Process for reclaiming spent motor oil

Details Process for reclaiming spent motor oil Process for reclaiming spent motor oil

1975-09-16

1977-06-14

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Purifying used oil

208181, C10M 1100

Patent

active

040295699

ABSTRACT:
Spent motor oil can be reclaimed by a process comprising heating the oil to cause precipitation of a portion of the suspended solids and then treating the oil after separation from the solids with up to about 6% by volume of concentrated sulfuric acid to complete precipitation of the solids. The oil is neutralized with an organic amine to provide a finished product suitable for reuse as a motor oil or as a blending stock for reformulation as a motor oil.

REFERENCES:
patent: 1792882 (1931-02-01), Wischin
patent: 2339520 (1944-01-01), Riesmeyer
patent: 3282827 (1966-11-01), Crysiak
patent: 3305478 (1967-02-01), Gilson et al.
patent: 3790474 (1974-02-01), Moffitt

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