© by WilTec Wildanger Technik GmbH Seite 9
http://www.WilTec.de
http://www.aoyue.eu Februar 2020 Version 2
http://www.teichtip.de
The operating principle of the pressure filter.
The pressure filter with the integrated UV lamp is a sealed filter system for biological and mechanical
cleaning of pond water.
CPF-280-500
A: Water inlet
The pump is connected to the water inlet via a pressure hose.
B: Strudel-System
The water permeates through the bio -filter materials due to the centrifugal and the gravitational
forces.
C: Mechanical Filter
Dirt particles are retained on the surface of the sponge filter before the water flows towards the inner
of the Filter.
D: Biological cleaning
Micro organisms settle on the pores of the filter sponge. The blue and the yellow filter sponge differ
in size and density. This generates zones/areas through which the water flows at different speeds.
In the zones/areas with a high flow speed (blue filter) mainly micro organisms settle that convert
ammonium to nitrate. In the areas in which the water flows even faster (yellow filter), mainly anaer-
obic micro organisms accumulate themselves that reduce the nitrate to nitrogen.
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