PROCESS FOR THE BIOLOGICAL PURIFICATION OF WASTE WATER

The present invention relates to a process for the biological purification o f 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 membra ne separation process.

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Bibliographische Detailangaben
1. Verfasser:	TROESCH, WALTER
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY METALLURGY TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	The present invention relates to a process for the biological purification o f 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 membra ne separation process.