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Standard DWA-A 131E Dimensioning of Single Stage Activated Sludge Plants

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Foto: Fritz Eberlein

The dimensioning procedure for nitrifying and denitrifying activated sludge plants is now based exclusively on the COD load, unlike in earlier editions that were based on the measured BOD5 load. Contains Process description, the design procedure and the design bases, as well as the calculation of the mass of the sludge and the design of the secondary treatment and sludge activation. Planning and operational aspects, scenario comparisons, the effect of further automation functions and operational management concepts are included.

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New Translations of DWA Publications

Standard DWA-A 131E - Dimensioning of Single-stage Activated Sludge Plants - June 2016 (translation May 2022)

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Modular Wastewater Training System - International Edition with 63 magnetic picture cards

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Fit in wastewater technology? Revised Edition June 2021

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Activated Sludge Expert with Aeration - Software based on Standard DWA-A 131 (January 2016) "Bemessung von einstufigen Belebungsanlagen" - Edition 3. X

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Guideline DWA-M 277 - Information on design of systems for the treatment and reuse of greywater and greywater partial flows - October 2017

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DWA-Topics - Non-Potable Water Reuse - Development, Technologies and International Framework for Agricultural, Urban and Industrial Uses - June 2019

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DWA-A 138E - Facilities for Percipitation (4/2005)

Standard DWA-A 138E - Planning, Construction and Operation of Facilities for the Percolation of Precipitation Water - April 2005
4/2005
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ATV-DVWK-M 362-2E- Dredged Material (10/2004)

Guideline ATV-DVWK-M 362-2E - Handling of Dredged Material Part 2: Case Studies - October 2004
10/2004
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DVWK-M 224 Gewässerunterhaltung (1992)

DVWK Merkblatt 224 - 1992 - Methoden und ökologische Auswirkungen der maschinellen Gewässerunterhaltung - fachlich auf Aktualität geprüft 2017
1/1992
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DIN EN 12255-5

DIN EN 12255-5 - Kläranlagen - Teil 5: Abwasserbehandlung in Teichen - Dezember 1999
12/1999
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ZKS-Fachbuch Sanierung Entwässerungssysteme

Die bestehende Kanalisation als Wissensgrundlage für die Sanierung von Entwässerungssystemen inklusive der statischen Grundlagen - Juli 2011
7/2011
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Norm DIN EN 13508-2

DIN EN 13508-2 - Untersuchung und Beurteilung von Entwässerungssystemen außerhalb von Gebäuden - Teil 2: Kodiersystem für die optische Inspektion - August 2011
8/2011
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