Process for the biological purification of waste water

C - Chemistry – Metallurgy – 02 – F

Patent

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Details

C02F 1/44 (2006.01) C02F 3/02 (2006.01) C02F 3/12 (2006.01) C02F 9/00 (2006.01) C02F 1/20 (2006.01) C02F 1/52 (2006.01)

Patent

CA 2250890

The present invention relates to a process for the biological purification of wastewater in which a liquid stream is fed to the aerobic biological purification stage, which liquid stream has already been freed in advance from undissolved substances using a membrane separation process.

Selon ce procédé d'épuration biologique d'eaux usées, on amène à l'étage aérobie d'épuration biologique un courant de liquide déjà libéré de substances non dissoutes grâce à un procédé de séparation par membrane.

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