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Patent Searching and Data


Title:
RECOVERY OF WASTE OIL
Document Type and Number:
Japanese Patent JPS5817193
Kind Code:
A
Abstract:
A process for reclaiming spent oil comprises the steps of removing water and light hydrocarbons, thermally treating the stripped oil, extracting it with a supercritical gas to insolubilize impurities and additives, separating the gas-rich fractions from the oil-depleted gas fractions, expanding the insoluble fractions, separating the additives and impurities, separating the various hydrocarbon fractions according to the respective viscosities, compressing and recycling the gas phases and withdrawing the residue and the oil fractions according to the respective viscosities.

Inventors:
MIHEERE BORUTSUA
SERUJIYO REONCHIINI
ARUDO MODENEEJI
Application Number:
JP11630182A
Publication Date:
February 01, 1983
Filing Date:
July 06, 1982
Export Citation:
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Assignee:
SNAM PROGETTI
International Classes:
B01D11/04; C10G21/00; C10G53/04; C10M175/00; (IPC1-7): B01D11/04; C10G21/00; C10G53/04
Attorney, Agent or Firm:
Kimura Masami