VERFAHREN ZUM BIOLOGISCHEN REINIGEN VON ABWASSER

PCT No. PCT/DE97/00671 Sec. 371 Date Jan. 26, 1999 Sec. 102(e) Date Jan. 26, 1999 PCT Filed Apr. 2, 1997 PCT Pub. No. WO97/37941 PCT Pub. Date Oct. 16, 1997The present invention relates to a process for the biological purification of wastewater in which a liquid stream is fed to the aerobic biologic...

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Bibliographische Detailangaben
1. Verfasser:	TROESCH, WALTER
Format:	Patent
Sprache:	ger
Schlagworte:	CHEMISTRY METALLURGY TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Zusammenfassung:	PCT No. PCT/DE97/00671 Sec. 371 Date Jan. 26, 1999 Sec. 102(e) Date Jan. 26, 1999 PCT Filed Apr. 2, 1997 PCT Pub. No. WO97/37941 PCT Pub. Date Oct. 16, 1997The 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.