Screenings Washers

Application An extensive reduction of the screenings volume by returning organic ingredients into the clarification process offers besides important cost saving with regard to screenings disposal advantages for the process stability of nitrification/ denitrification necessary in nearly all clarification plants. The company ABZ in Austria implemented decades of experience in the field of screenings treatment on the screenings washers. Many references attest the leading position of this technology by which the screenings weight can be reduced on average by 75 %. Special attention has been turned to the development of least possible wear and utmost operational safety. The Interval-Wash-Compactor can be operated with service water from the sand trap area. Peak loads of screenings due to storm water events are handled without problem, as well. Function The screenings are discharged directly or via a conveyor from the screen into the infeed hopper of the washer. After a pre-compaction...