DEVICE FOR TREATMENT OF SEWAGE Russian patent published in 1995 - IPC

FIELD: treatment of sewage. SUBSTANCE: device has a housing with cover and sloped bottom, conical partition to form separation chamber, light fractions collecting chamber with heater, water-air mixture inlet unions, those for taking clean water and products to be cleaned. There is a floatation chamber provided with a conical tip having a spiral-shaped chute on its inner surface, and rotor with vertical slots. The floatation chamber is coaxial relative to the separation chamber and has its lower edge located under the lower edge of separation chamber. EFFECT: higher efficiency and simpler design. 1 dwg