Filtering apparatus and method of cleaning such an apparatus

Details Filtering apparatus and method of cleaning such an apparatus Filtering apparatus and method of cleaning such an apparatus

B - Operations, Transporting

01

D

182/98

B01D 24/00 (2006.01) B01D 24/16 (2006.01)

Patent

CA 1333262

The present invention relates to a filtering apparatus and a method of washing such an apparatus. The filtering apparatus with an upward flow of a fluid to be treated in an enclosure closed at least at one end and containing a fixed floating bed of filtering particles of a density less than that of the fluid to be treated, is characterized in that the pipe for discharging the filtered materials in suspension has the form of a lyre with vent and dimensions allowing the column of fluid contained in the enclosure to be emptied at a speed higher than the minimum fluidization speed, the filtering particles having a characteristic mass per unit volume between 5 kg/m3 and 500 kg/m3 and a pipe for intake of the fluid to be treated is disposed in a zone at the lower end of the enclosure situated below the lower level of the fixed floating bed and above the upper level of the waste discharge pipe.

559487

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