BOPI 02 BR/2023 REPERTOIRE NUMERIQUE 18 Planche II – Fig. 5 Consulter le mémoire ________________________________________ (11) 20792 (51) C02F 3/08 (2018.01); C02F 3/10 (2018.01); C02F 3/12 (2018.01) (21) 1201900251 - PCT/GB2017/053890 (22) 22/12/2017 (30) GB n° 1622177.2 du 23/12/2016 (54) Waste water purification system. (72) KAYE, Peter (GB) (73) Ecotricity Group Limited, Lion House, Rowcroft, STROUD, Gloucestershire, GL5 3BY (GB) (74) SPOOR & FISHER Inc. NGWAFOR & PARTNERS Sarl, The House of Gideon, Golf/Bastos Quarters, Opposite The American Embassy, Entrance-Saint John Paul II Boulevard, P.O. Box 8211, YAOUNDE (CM). (57) The present invention relates to a waterprocessing system configured to produce purified waste water. The system comprises an inlet for waste water, one or more biological water-treatment units, and an outlet for purified water. The one or more biological water-treatment units are fluidly connected to the inlet and the outlet. Each of the one or more biological watertreatment units comprises: an inlet for receiving water to be treated, a reactor, an outlet for treated water, and ventilation means configured to provide ventilation to the reactor. The reactor is divided into two or more compartments by one or more screens. Each compartment is in fluid communication with the ventilation means, and comprises a biofilm on one or more surfaces. The reactor is configured to expose at least a portion of the waste water to the biofilm in the presence of air supplied by the ventilation means. Fig. 1 Consulter le mémoire
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