Patents Represented by Law Firm Frommer Lawrenece & Haug LLP
  • Patent number: 5783068
    Abstract: The present invention relates to a process for dechlorinating a spent lubricating oil fraction, optionally mixed with another hydrocarbon stock. Upstream of the recycling operation in refining the spent oil, the latter is subjected to a dechlorination operation at least partially by passing it on a bed of particles (6) of a composition which neutralizes by absorption and containing, as active compound capable of fixing the chlorine, at least one metal oxide and/or at least one metal hydroxide.
    Type: Grant
    Filed: May 13, 1996
    Date of Patent: July 21, 1998
    Assignee: Total Raffinage Distribution, S.A.
    Inventors: Michel Laborde, Philippe Dolbecq