Patents Assigned to Innoterv Ipari Fovallalkozo Kisszovetkezet
  • Process for the separation of solid phase from liquid substance, particularly for waste water purification
    Patent number: 5071566
    Abstract: A method is provided for removing a solid phase from a liquid substance, which is kept in a continuous turbulent flow. The method is characterized by adding simultaneously at consecutive places in the flow direction of the liquid substance, cement, iron (III)-chloride-sulfate and an anion polyelectrolyte. Cement is added at a first place, iron (III)-chloride-sulfate at a second place and anion polyelectrolyte at a third place.
    Type: Grant
    Filed: September 1, 1989
    Date of Patent: December 10, 1991
    Assignee: Innoterv Ipari Fovallalkozo Kisszovetkezet
    Inventors: Endre Papp, Istvan Papp, Lajos Szabo, Istvan Apro, Gyula Czepek, Ferenc Torocsik, Bela Konkoly, Pal Karcagi, Janos Takacs, Tamas Foldi