What Is a Filter Bed?

rnntact bed (1) In the impervious pool f, JIB coarse-grained material provides fJ for biological growth. An artificial filter bed wastewater from a large agricultural area can be circulated or continuously passed through a controllable inlet and outlet flow To touch its surface. [2] An early wastewater filter (biological filter). The filter bed 31} was placed in an impervious pool with coarse crushed stone (about SOmm in size) or similar inert material. The pond is full of wastewater and iL stays for a short period of time, drains, and stops after filtering, ^[1] cycle repeatedly.

Contact filter bed

Right!

rnntact bed (1) In the impervious pool f, JIB coarse-grained material provides fJ for biological growth. An artificial filter bed wastewater from a large agricultural area can be circulated or continuously passed through a controllable inlet and outlet flow To touch its surface. [2] An early wastewater filter (biological filter). The filter bed 31} was placed in an impervious pool with coarse crushed stone (about SOmm in size) or similar inert material. The pond is full of wastewater and iL stays for a short period of time, drains, and stops after filtering, ^[1] cycle repeatedly.