Patent ID: 6080305
Filing Date: 2000-06-27
Classification: B01D,C02F,E03F,Y02A

Abstract:
An automatically operating sewage purification plant for industrial and domestic sewage systems comprising at least one conduit for conveying untreated sewage to at least one first chamber which functions as a preliminary sedimentation chamber in which larger solid particles are separated out, at least one second chamber which communicates with the first chamber via at least one delivery conduit and in which partially purified supernatant liquid that flows in from the first chamber undergoes a chemical purification process, said second chamber being provided with an outlet conduit for discharging the purified supernatant liquid from the second chamber, characterized in that the second chamber is provided in its upper part with a supernatant receiving device that receives the partially purified supernatant liquid from the first chamber; in that the receiving device is adapted to pivot about an axis when filled to a predetermined level and therewith deliver its load to a cyclone arrangement within the second chamber; in that said plant includes means for delivering to the cyclone arrangement a chemical or chemical mixture in liquid form from at least one separate container; in that the cyclone arrangement has a central opening through which said chemical or chemical mixture mixed with the now purified liquid flows into the second chamber, in that said plant includes an outlet pipe for discharging said purified liquid.