US 11,993,525 B2
Anaerobic waste water purification tower
Ronny Gerards, Attenhoven (BE)
Assigned to WATERLEAU GROUP NV, Wespelaar (BE)
Appl. No. 17/426,550
Filed by WATERLEAU GROUP NV, Wespelaar (BE)
PCT Filed Jan. 29, 2020, PCT No. PCT/EP2020/052145
§ 371(c)(1), (2) Date Jul. 28, 2021,
PCT Pub. No. WO2020/157119, PCT Pub. Date Aug. 6, 2020.
Claims priority of application No. 2019/5052 (BE), filed on Jan. 30, 2019; and application No. 19154556 (EP), filed on Jan. 30, 2019.
Prior Publication US 2023/0295025 A1, Sep. 21, 2023
Int. Cl. C02F 3/28 (2023.01)
CPC C02F 3/2846 (2013.01) [C02F 3/2873 (2013.01); C02F 2203/006 (2013.01)] 10 Claims
OG exemplary drawing
 
1. Anaerobic waste water purification tower comprising a sludge reactor with, from bottom to top:
a waste water inlet zone,
an active zone,
a first set of three phase separating means for separating sludge, gas and water, comprising at least two layers of adjacent gas hoods connected to a gas collector tank positioned above the reactor, and
a clean water effluent outlet,
characterized in that the gas hoods are hooded lamellas for improving the separation of gas, sludge and water characterized in that the layers of hooded lamellas are oriented in opposite directions.