Images & Videos


> Insights into construction sites

  • Construction of a sedimentation tank at the Steinhäule wastewater treatment plant in Neu-Ulm

  • View of the newly built adsorption stage of the Lahr wastewater treatment plant

  • Contact reactor at the Lahr wastewater treatment plant

  • Sedimentation tank of the Laichingen wastewater treatment plant before the installation of lamella separators

  • Construction of the sedimentation tank at the Wendlingen municipal wastewater treatment plant


> Constructional implementation

  • Adsorption stage in the Böblingen-Sindelfingen wastewater treatment plant

  • Adsorption stage in the Laichingen wastewater treatment plant in covered design

  • Two-lane adsorption stage in the Stockacher Aach wastewater treatment plant

  • Adsorption stage of the Lahr wastewater treatment plant

  • AFF system of the Hechingen wastewater treatment plant

  • Contact reactor of the adsorption stage, which is designed as a three-stage cascade, in the Kressbronn-Langenargen wastewater treatment plant

  • Contact reactor of the adsorption stage in the Ravensburg wastewater treatment plant

  • Contact reactor of the adsorption stage, which is designed as a three-stage cascade, in the Lahr wastewater treatment plant

  • Two-lane contact reactor of the adsorption stage in the Steinhäule wastewater treatment plant in Neu-Ulm

  • Contact reactor of the adsorption stage in the Mannheim wastewater treatment plant

  • Cloth filter for solids separation following the adsorption stage in the Lahr wastewater treatment plant during installation (source: Abwasserverband Raumschaft Lahr)

  • Cloth filter for solids separation following the adsorption stage during operation in the Lahr wastewater treatment plant

  • Cloth filter for solids separation following the adsorption stage during operation in the Laichingen wastewater treatment plant

  • Installation of the filter material for solids separation after the adsorption stage in the Steinhäule wastewater treatment plant in Neu-Ulm

  • Filter nozzle in the filter structure of the Mannheim wastewater treatment plant

  • Sedimentation tank of the AFF system in the Albstadt-Ebingen wastewater treatment plant

  • Sedimentation tank with lamella separators in the Stockacher Aach wastewater treatment plant

  • Granulated activated carbon filter in the Westerheim wastewater treatment plant


> Dosage of activated carbon

  • Delivery of powder activated carbon at the Böblingen-Sindelfingen wastewater treatment plant

  • Filling the powder activated carbon silo at the Mannheim wastewater treatment plant

  • Storage of powder activated carbon in silos

  • Storage of powder activated carbon in replaceable containers

  • Dosage system for powder activated carbon at the Laichingen wastewater treatment plant

  • Dosage system for powder activated carbon at the Böblingen-Sindelfingen wastewater treatment plant

  • Dosage system for powder activated carbon housed in a container for large-scale experiments

  • Dosage system for powder activated carbon at the Öhringen wastewater treatment plant

  • Dosage system for powder activated carbon: Close-up of the screw feeder protruding into the feeding funnel

  • Dosing the powder activated carbon suspension in the contact reactor


> Process technical insights

  • Dosage station for adding precipitants in an adsorption stage

  • Adding polymer using a static mixer

  • Dosing the polymer across the entire width of the tank into the effluent of the contact reactor in the Kressbronn-Langenargen wastewater treatment plant

  • Close-up of the dosage station for polymer in the Mannheim wastewater treatment plant

  • Dosing polymer in the mixing and aggregation tank of the Böblingen-Sindelfingen wastewater treatment plant

  • Submersible agitator for mixing the content of the contact reactor

  • Hyperboloid mixer for mixing the content of the contact reactor

  • Submersible agitator for mixing the content of the contact reactor

  • Inlet area of a sedimentation tank including the pumps installed for returning the activated carbon sludge into the contact reactor

  • Chain scraper in a sedimentation tank with flow in the lengthwise direction

  • Bottom scraper in a circular sedimentation tank

  • Sedimentation tank equipped with lamella separators during operation in the Stockacher Aach wastewater treatment plant

  • Sedimentation tank equipped with lamella separators in an empty condition in the Stockacher Aach wastewater treatment plant

  • View of the honeycombed lamella separators inside the sedimentation tank of the Laichingen wastewater treatment plant

  • Close-up of the lamella separators inside the sedimentation tank of the Laichingen wastewater treatment plant

  • Visual change of the wastewater as a result of the use of powder activated carbon and subsequent filtration: effluent of the secondary sedimentation tank (left) and effluent of the sand filter (right)

  • Decolouration of the wastewater as a result of the treatment with powder activated carbon: samples taken from the effluent of the secondary sedimentation tank with obvious yellow colouring (left) and adsorption stage without noticeable colouring (right)


> Test facilities

  • Test facility for the development of the Ulm approach at the Steinhäule wastewater treatment plant in Neu-Ulm, Germany

  • Test facility for the development of the Ulm approach at the Steinhäule wastewater treatment plant in Neu-Ulm, Germany

  • Test filter column at the Steinhäule wastewater treatment plant in Neu-Ulm, Germany

  • Investigations regarding the adsorption behaviour of powder activated carbon regarding micropollutants under anaerobic conditions at the Mannheim wastewater treatment plant

  • Two-lane test facility for simultaneous dosage of powder activated carbon at ARA Schönau (Switzerland)

  • Test facility for dosing powder activated carbon at the Lahr wastewater treatment plant

  • Contact reactor of the test facility for dosing powder activated carbon at the Lahr wastewater treatment plant

  • Two-lane test facility by KomS for dosing powder activated carbon in a separate adsorption stage in the LFKW Stuttgart Büsnau

  • Small-scale filter column tests with granulated activated carbon at the Mannheim wastewater treatment plant

  • Test filter column for direct dosage of powder activated carbon at the Mühlhausen main wastewater treatment plant in Stuttgart

  • Upstream contact tanks for direct dosage of powder activated carbon at the Mühlhausen main wastewater treatment plant in Stuttgart

  • Structure of the two-lane test facility for simultaneous dosage of powder activated carbon at ARA Oftringen (Switzerland)

  • Two-lane test facility for simultaneous dosage of powder activated carbon at ARA Oftringen (Switzerland)



DWA Landesverband Baden-Württemberg
Rennstraße 8 | 70499 Stuttgart | Phone: 0711 89 66 31-0 | E-Mail:
info(at)dwa-bw.de


© Deutsche Vereinigung für Wasserwirtschaft, Abwasser und Abfall e. V. // (DWA)

DWA Landesverband
Baden-Württemberg

Rennstraße 8 | 70499 Stuttgart
Phone: 0711 89 66 31-0
E-Mail:
info(at)dwa-bw.de



© Deutsche Vereinigung für Wasserwirtschaft, Abwasser und Abfall e. V. // (DWA)