C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 9/14 (2006.01) C02F 1/74 (2006.01) C02F 3/10 (2006.01) C02F 3/12 (2006.01) C02F 1/28 (2006.01)
Patent
CA 2390978
To purify wastewater discharged from lavatories (3), a wastewater purifying apparatus having a shell contact aeration chamber (6, 7) placed with shell microbial carrier members (15), the wastewater being fed to and purified in the shell contact aeration chamber (6, 7). Shells whose mother-of-pearl layer on the inner surface (b) is at least removed are used as the microbial carrier member (15).
Purificateur d'eau souillée servant à purifier l'eau évacuée par des toilettes (3) et comprenant des chambres d'aération (6, 7) remplies d'un matériau de contact (15) constitué par des coquilles et conçu pour purifier l'eau souillée introduite dans ces chambres d'aération et de contact (6, 7), ce matériau de contact (15) consistant en des coquilles dont on a enlevé la couche perlée (b) sur au moins la surface intérieure.
Komurasaki Masayuki
Niki Hirofumi
Okamoto Ryoichi
Eiwa Country Environment Co. Ltd.
Riches Mckenzie & Herbert Llp
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