Patent ID: 8062525
Filing Date: 2011-11-22
Classification: C02F,Y02W

Abstract:
1. A process for treating water in a treatment plant comprising a reaction chamber in which a biodegradable material present in the water is biodegraded at least partly by microorganisms, in the course of which, at least temporarily, water is transferred out of the reaction chamber into a separating chamber and the biodegradable material and the microorganisms are separated at least partly from the water therein, a return stream comprising biodegradable material and at least some of the microorganisms flowing out of the separating chamber into the reaction chamber via a recycle line, characterized in that at least some of the following substances: a) the biodegradable material and b) the microorganisms are treated with ozone (O 3 ), an amount of 15 to 150 milligrams of ozone per kilogram of dry substance of the biodegradable material and of the microorganisms being added per hour in the reaction chamber.