Method of processing waste water, in particular from malt...

C - Chemistry – Metallurgy – 02 – F

Patent

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Details

C02F 9/00 (2006.01) C02F 1/44 (2006.01) C02F 1/52 (2006.01) C02F 3/12 (2006.01)

Patent

CA 2286361

The invention relates to a method for treating waste water, especially from malt houses and breweries. During industrial use, this kind of waste water is contaminated with micro-organisms, salts and organic compounds. In order to make recycling possible, it is suggested that after a treatment with activated sludge (3), the waste water is subjected to a reverse osmosis (8), before being reintroduced into the cycle (11) for industrial use.

L'invention concerne un procédé pour le traitement des eaux usées, en provenance notamment des malteries et des brasseries, dans lequel on effectue, en régime de fonctionnement, un chargement en micro-organismes, en sels et en composés organiques. En vue de permettre une réutilisation des produits, l'invention est caractérisée en ce qu'on soumet les eaux usées, après traitement par des boues activées (3), à une osmose inversée (8), avant de réintroduire les produits, en régime de fonctionnement, dans le circuit (11).

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