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

Überflutungen
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

Poster "How a wastewater treatment plant works"

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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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CD-Dictionary D/EN - 2009

DWA-Dictionary 2009 CD-ROM - Water, Wastewater, Waste - German-English/English-German
5/2007
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DWA-A 125E - Pipe Jacking (12/2008)

Standard DWA-A 125E - Pipe Jacking and Related Techniques - December 2008; including correction September 2020
12/2008
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DWA-M 381E - Sludge Thickening (10/2007)

Guideline DWA-M 381E - Sewage Sludge Thickening - October 2007
10/2007
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DWA-M 253 - Automatisierungstechnik (3/2011)

Merkblatt DWA-M 253 - Leit- und Automatisierungstechnik auf Abwasseranlagen - März 2011
3/2011
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PR-brochure Trulli the waterdrop

Trulli the little water drop, 3rd edition 2016
5/2016
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DWA-A 782 - TRwS Schienenfahrzeuge (5/2006)

Arbeitsblatt DWA-A 782 - Technische Regel wassergefährdender Stoffe (TRwS 782) - Betankung von Schienenfahrzeugen - Mai 2006
5/2006
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