Patents Assigned to Societe d'Etudes et de Diffusion de Procedes et Brevets S.A.
  • Process for the treatment by metallic ions of aqueous liquids and device for making the same
    Patent number: 4038163
    Abstract: A device for liquid purification includes a vat provided with metallic elrodes and connected to a circulating pump and to a filter containing at least one filtering layer of low granulometry built up from accumulation of floculates. The device is particularly suited for water treatment.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: July 26, 1977
    Assignee: Societe d'Etudes et de Diffusion de Procedes et Brevets S.A.
    Inventors: Lorenzo Puig Casanovas, Jean Leon Justin Vellas