Patent ID: 11951420
Assignee: EVOLUTION AQUA LIMITED
Field: Chemical engineering (Chemistry)
Classification: CPC B  A  C  Y | IPC B

Claim 9:
10. A method of filtering a liquid in a filter chamber defined by a filter housing, the filter housing comprises a tubular member having a longitudinal axis, a liquid inlet and a liquid outlet, wherein the tubular member defines a sidewall of the filter chamber, the filter chamber having a substantially constant profile or a substantially continuously tapered profile along the longitudinal axis without constrictions or narrowing sections, the method comprising:
establishing a flow of liquid through a static filter pack in the filter chamber, wherein the static filter pack is formed of a plurality of filter elements, the filter elements each having an open cell structure comprising a plurality of open cells, the plurality of open cells each having a cross-sectional area less than 3 mm2;
wherein a flow rate per unit cross-sectional area of the static filter pack is in the range 150 m3/m2/h to 550 m3/m2/h.