Patents Assigned to Electricite de France Service International
  • Patent number: 5075044
    Abstract: According to the invention, the oil is passed through a pulverulent material, such as an earth or clay, in the presence of an acid. The pulverulent material can be placed beforehand on a filter or can be mixed with the oil before filtration. If necessary, the oil is recycled through the filter up to complete decontamination.Application to the radioactive decontamination of oils used in the nuclear industry.
    Type: Grant
    Filed: June 30, 1987
    Date of Patent: December 24, 1991
    Assignee: Electricite de France Service International
    Inventor: Jean-Michel Augem