Method for biological purification of waste water by the activated sludge method and apparatus for carrying out the method
A Standard patent application filed on 03 July 1998 credited to Petersen, Gert
;
Rykaer, Soren
Details
Application number :
81030
Application type :
Standard
Application status :
SEALED
Under opposition :
No
Proceeding type :
Invention title :
Method for biological purification of waste water by the activated sludge method and apparatus for carrying out the method