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Priority claimed from DE19853534716external-prioritypatent/DE3534716A1/en
Priority claimed from DE19853545020external-prioritypatent/DE3545020A1/en
Application filed by Alwin Eppler, Dieter EpplerfiledCriticalAlwin Eppler
Application grantedgrantedCritical
Publication of ATE58712T1publicationCriticalpatent/ATE58712T1/en
METHOD FOR THE BIOLOGICAL ACTIVATION CLEANING OF WASTE WATERS WITH NITRIFICATION AND DENITRIFICATION IN A CIRCULATION SYSTEM AND DEVICE FOR CARRYING OUT THIS METHOD