Patents Assigned to Aquatech Kernyezeteedelmi
  • Method for the multistage, waste-free processing of red mud to recover basic materials of chemical industry
    Patent number: 5053144
    Abstract: The method of the invention is advantageously applicable to realize a multistage chemical process during which liquid clarifiers suitable for the purification of water and sewage, furthermore, fine-disperse pulverulent solid products utilizable as pait pigments and fillers may be recovered. Each final product of the multistage chemical processes is a useful material, so the whole technology is waste free.
    Type: Grant
    Filed: April 2, 1990
    Date of Patent: October 1, 1991
    Assignee: Aquatech Kernyezeteedelmi
    Inventors: Endre Szirmai, Sandor Babusek, Gezz Balogh, Atilla Nedves, Gyula Horvath, Zoltan Lebenyi, James Pinter