WATER TREATMENT PLANT AND PROCEDURE FOR THE TREATMENT OF CONTEMPORARY WASTE WATER

摘要

The invention relates to a sewage treatment plant for treatment of urea-containing waste water with at least a first treatment tank (2) having a waste water supply (8), is introduced via which urea-containing waste water into the first treatment tank, wherein in the operation of sewage treatment plant in the first treatment tank (2) , preferably, urea is converted to ammonia by urease enzymes, wherein in said first treatment tank (2) is an oxygen supply means (14, 16), in particular in the form of an aeration means (16) disposed and the waste water treatment plant control means (46), through which the oxygen supply means (14, 16) is switched on and off so that the conversion of urea into ammonia is either aerobically or anaerobically practicable, and an appropriate waste water treatment process.