DWA-M 210 2009-07 PDF

Full title and description

STB DWA-M 210 2009-07 — DWA‑M 210: "Belebungsanlagen mit Aufstaubetrieb (SBR)". Merkblatt zur Technik, Bauformen, Mess‑ und Steuerungstechnik sowie zur Bemessung und zum Betrieb von Belebungsanlagen im Aufstaubetrieb (Sequencing Batch Reactor, SBR). This entry is commonly listed both as the original DWA Merkblatt (German Association for Water, Wastewater and Waste) published July 2009 and in some catalogues under the STB designation.

Abstract

Practical guidance and design recommendations for SBR (Aufstaubetrieb) wastewater treatment plants. The document explains process variants and operational sequences, details components such as prestorage and pump stations, aeration, mixing, clear‑water discharge and floating sludge removal, and gives measurement, control and dimensioning advice — with special emphasis on selecting cycle durations and the design of the settling (Absetz-) phase. The Merkblatt collects operational experience and provides empirical values and calculation approaches for design and operation.

General information

• Status: Active / current technical Merkblatt (DWA-Regelwerk, M‑series).
• Publication date: 2009-07 (July 2009).
• Publisher: Deutsche Vereinigung für Wasserwirtschaft, Abwasser und Abfall e.V. (DWA).
• ICS / categories: Kommunale Abwasserbehandlung; DWA‑Regelwerk, Merkblätter (M series).
• Edition / version: Revision issued July 2009 (original ATV/M version first published 1997; updated 2009).
• Number of pages: 40 pages (A4 format).

Key bibliographic identifiers (as published): ISBN information and DWA product numbers are provided on the DWA catalogue entry for the M‑210 Merkblatt.

Scope

The Merkblatt covers the technical and operational aspects of sequencing batch reactor (SBR) systems used for biological wastewater treatment. It addresses plant layout and component functions (prestorage, pump stations), detailed descriptions of Aufstaubecken and their equipment (aeration, recirculation, clear‑water outlets, floating sludge removal, piping and fittings), measurement and automation technology, and the dimensioning procedure for SBR plants — particularly the determination of cycle times and the settling phase. Practical operational guidance and experience‑based recommendations for designers and operators are included.

Key topics and requirements

• Principles of SBR (Aufstaubetrieb) operation and sequencing (fill, react/aerate, settle, decant, idle).
• Reactor (Aufstaubecken) design: geometry, volume allocation per phase, and multi‑reactor arrangements.
• Aeration and mixing technologies, oxygen transfer considerations and equipment selection.
• Hydraulic design: influent handling, prestorage and pump station requirements.
• Settling (Absetz-) phase dimensioning and criteria for cycle time selection.
• Clear‑water withdrawal, floating sludge removal and sludge handling provisions.
• Instrumentation, measurement and control strategies for automated sequencing and process monitoring.
• Operational guidance, start‑up, troubleshooting and typical performance expectations.

Typical use and users

Intended for municipal wastewater engineers, plant designers, equipment suppliers, operators of biological treatment plants, environmental consultants and technical authorities. The Merkblatt is used as a design and operational reference for sizing SBR plants, selecting equipment and developing control strategies, and for training plant personnel on SBR operation.

Related standards

Referenced and related documents commonly cited alongside DWA‑M 210 include dimensioning and activated‑sludge guidance (historically ATV/ DVWK documents such as ATV‑DVWK‑A 131 / DWA‑A 131) and other DWA technical rules for measurement and aeration (e.g., DWA‑M 209 on oxygen transfer measurement). It is also used in conjunction with relevant EN standards for wastewater treatment plant components and testing procedures.

Keywords

Belebungsanlagen, Aufstaubetrieb, SBR, sequencing batch reactor, Absetzphase, Zyklusdauer, Kläranlage, Belüftung, Mischeinrichtung, Klärtechnik, DWA‑Merkblatt.

FAQ

Q: What is this standard?

A: DWA‑M 210 is a DWA Merkblatt (technical guidance) titled "Belebungsanlagen mit Aufstaubetrieb (SBR)", published in July 2009, providing practical design and operation guidance for SBR wastewater treatment systems.

Q: What does it cover?

A: It covers SBR process descriptions, reactor and plant component design, aeration and mixing, hydraulic arrangements, settling‑phase dimensioning and cycle time selection, measurement and control, and operational recommendations for start‑up and routine operation.

Q: Who typically uses it?

A: Municipal and consulting engineers, treatment‑plant designers, equipment manufacturers, plant operators and regulatory/technical staff responsible for wastewater treatment plant planning and operation.

Q: Is it current or superseded?

A: The 2009‑07 edition is the published revision of DWA‑M 210; catalogue entries list it as the current Merkblatt version released in July 2009 (the document updates an earlier ATV/M version first published in 1997). Users should check with DWA or national catalogues for any later revisions or amendments before use.

Q: Is it part of a series?

A: Yes — it is part of the DWA‑Regelwerk "M" series of Merkblätter (practical guidance documents) addressing municipal wastewater treatment topics; it also references and builds on related ATV/DWA guidance documents for activated‑sludge design.

Q: What are the key keywords?

A: SBR, Aufstaubetrieb, Belebungsanlage, sequencing batch reactor, Absetzphase, Zyklusdauer, Belüftung, Klärtechnik. These reflect the main technical focus areas of the Merkblatt.