C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 9/00 (2006.01) A23J 1/16 (2006.01) C02F 1/24 (2006.01) C02F 1/52 (2006.01) C02F 1/56 (2006.01) C02F 1/58 (2006.01) C02F 3/02 (2006.01) C02F 3/12 (2006.01) C02F 3/34 (2006.01)
Patent
CA 2201835
The invention relates to a method for purifying protein containing waste water, in which a) a first insoluble material is caused to form in the waste water, b) the mixture obtained in step a) is separated to form pre-purified waste water, c) the pre-purified waste water is treated with aerobic microorganisms and d) the mixture obtained in step c) is separated to form finely purified waste water, and in which step b) and step d) are carried out in the same device. Preferably, steps b) and d) are alternately carried out in the same device.
Méthode d'épuration d'eaux usées contenant des protéines. Il s'agit de : a) provoquer la formation, dans l'eau usée, d'une première substance insoluble; b) séparer le mélange obtenu à l'étape a afin d'obtenir une eau usée préépurée; c) traiter l'eau usée préépurée avec des microorganismes aérobies; d) séparer le mélange obtenu à l'étape c afin d'obtenir une eau usée hautement épurée, les étapes b et d étant effectuées dans le même appareil. Il est préférable que les étapes b et d soient effectuées en alternance dans le même appareil.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Friesland Brands B.v.
Zuivelcooperatie Coberco U.a.
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