Tertiary Filtration with Ultrafiltration Membranes in Municipal Wastewater Treatment Plants

Engineering challenges for the implementation in existing wastewater treatment plant

Thema: Water Solutions

Publikationsform: Fachartikel
Artikelnummer: 05399_2011_SP1_11
Ausgabe: Special 1
Zeitschrift: Tertiary Filtration with Ultrafiltration Membranes in Municipal Wastewater Treatment Plants
Erscheinungsdatum: 30.06.2011
Autor: Martin Wett and Eberhard Back
Verlag: DIV Deutscher Industrieverlag GmbH
Seiten: 4
Publikationsformat: PDF
Sprache: English
Themenbereich: gwf - Wasser|Abwasser

Details

During the operation of tertiary filtration stages in a dead-end-mode, retentate concentrate and rinsing water from membrane cleaning accrue naturally. Work on process solutions for these process waters with no additional particle loads for the tertiary membrane filtration stage and no further hydraulic loads is obviously necessary. A process engineering concept for the treatment of retentate volume flows by a combination of flotation technology, secondary filtration and centrifuge technology allows for a hydraulic isolation of the tertiary membrane filtration stage from the biological wastewater treatment.

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