Grit removal devices and methods

Details Grit removal devices and methods Grit removal devices and methods

B - Operations, Transporting

04

B

B04B 9/00 (2006.01) B01D 21/00 (2006.01) B01D 21/26 (2006.01) B01F 7/26 (2006.01) B01F 15/00 (2006.01)

Patent

CA 2052184

ABSTRACT OF THE DISCLOSURE The efficiency of operation of vortex grit removal devices, typically used in wastewater treatment plants, is improved by measuring changes in the vertical level of liquid contained in the device as the grit removal operation progresses and using such level change measurements to automatically control the speed of rotation of the grit remover's rotor used to impart vortical motion to such body of liquid. Devices for performing such improved vortex grit removal operations are disclosed.

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