Patents Assigned to S.N.E.A.
  • Patent number: 5156748
    Abstract: A method is provided which involves a catalytic treatment using oxidation to degrade aqueous effluent which contains toxic, cyclic hydrocarbons and in particular chlorous, compounds. The method utilizes a catalytic system consisting of an oxygen donor agent, water-soluble peroxide, and a water-soluble metallo (Fe,Mn)phenyl-substituted mesotetraphenylporphyrin.
    Type: Grant
    Filed: September 20, 1991
    Date of Patent: October 20, 1992
    Assignees: S.N.E.A., Atochem
    Inventors: Bernard Meunier, Gilles Labat, Jean Louis Seris