Patents Assigned to Comurhex S.A.
  • Method for recovering nitrate ions as nitric acid from nuclear industry effluents
    Patent number: 6235252
    Abstract: A method for recovering nitrate ions as nitric acid from nuclear industry effluents by thermally decomposing the nitrate ions in solution, and recovering the NOx vapors generated by the heat treatment in an aqueous medium. The resulting nitric acid may be recycled in the nuclear industry.
    Type: Grant
    Filed: May 5, 1999
    Date of Patent: May 22, 2001
    Assignee: Comurhex S.A.
    Inventors: Gilbert Schall, Antoine Floreancig, Sylvie Davied