Patents Assigned to S.A. Sidmar
  • Apparatus for removing solid matter from coal tar
    Patent number: 4036603
    Abstract: Process and apparatus for removing solid matter from coal tar recovered f coal distillation comprising the steps of centrifuging the tar in order to produce a liquid phase consisting of tar which is substantially free of residual solids and a solid phase consisting of solid matter and tar, and mixing the solid phase with a solid material comprising carbon.
    Type: Grant
    Filed: January 23, 1975
    Date of Patent: July 19, 1977
    Assignees: Societe Francaise d'Etude d'Installations Siderurgiques Sofresid, S.A. Sidmar
    Inventors: Henri Georges Bernet, Theophile Martens