Fractionation column for reclaiming used lubricating oil

Details Fractionation column for reclaiming used lubricating oil Fractionation column for reclaiming used lubricating oil

1982-09-24

1983-09-27

Garris, Bradley

Mineral oils: apparatus

Refining

With filtration

196100, 196102, 202161, C10G 704, C10G 706, C10G 2500

Patent

active

044067437

ABSTRACT:
A novel process for the purification of used oil comprising removing the ash-forming components, then subjecting the oil to vacuum fractionation. A novel vacuum fractionation column is also disclosed.

REFERENCES:
patent: 1953939 (1934-04-01), Jones
patent: 2952631 (1960-09-01), Hausch
patent: 3173859 (1965-03-01), Chambers
patent: 3216909 (1965-11-01), Bress
patent: 3301778 (1967-01-01), Cabbage
patent: 3320159 (1967-05-01), Potts
patent: 3567628 (1971-03-01), Van Pool
patent: 3844898 (1974-10-01), De Graff
patent: 3871969 (1975-03-01), Chapman
patent: 4046638 (1977-09-01), Fickel

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