WWTP News

  • Largest WWTP in Europe

    Landustrie supplies 67 no. surface aerators for one of the largest wastewater treatment plants in Europe. The delivery will be spread over the next four years and includes aerators with a diameter of 2900 and 3200 mm. The ...


    By Landustrie Sneek BV

  • Nitrificants toximeter for WWTP protection

    The toximeter NitriTox of LAR Process Analysers AG is a continuous operating analyzer for the determination of nitrification toxicity. Especially in water treatment, toxic substances can harm the waste water treatment plant's biomass in a negative way and in worst case lead to a entire plant shutdown. Therefore, the monitoring of ...


    By LAR Process Analysers AG

  • WWTP Lamb Weston/Meijer commissioned

    In 2015 Colsen was awarded by Lamb Weston/Meijer vof to realize phase 2 of the revamp of the existing old fashioned waste water treatment plant into a sustainable WWTP at the production location Oosterbierum (Friesland, NL). In phase 1 a new anaerobic reactor was constructed while the aerobic purification reactor was modified into a NAS® system with anammox bacteria. In phase 2 a 2nd ...


    By Colsen International b.v.

  • Collaboration agreement WWTP Bath signed

    Within the framework of the Programma Demonstratie Energie-Innovatie (DEI), a research project is executed whereby thermophilic sludge digestion is tested at the WWTP location  in Bath (NL). The Water Council Brabantse Delta is executing these tests in collaboration with Colsen BV and STOWA. This project represents a show case of sustainable energy recuperation from ánd energy ...


    By Colsen International b.v.

  • WWTP renovation in ’s-Hertogenbosch (NL)

    Besix-Hegeman has awarded Colsen the design and realization as well as the coordination of permit preparation and subsidy trajectory associated with the renovation of the communal WWTP of the city of ‘s-Hertogenbosch (The Netherlands). Colsen has been commissioned this project, which is executed in four phases: design and realization of the thermophilic sludge digester, design and ...


    By Colsen International b.v.

  • NAS-ONE for WWTP Hengelo (NL)

    The Water Council Vechtstromen has embraced The Energy Factory-concept for the centralized treatment of sewage sludge at the Hengelo WWTP. As part of this project a TPH installation was recently added which generates an extra load of nitrogen to the water line. This necessitates additional capacity for ...


    By Colsen International b.v.

  • WWTP Lamb Weston/Meijer started up

    In 2015 Colsen was commissioned by Lamb Weston/Meijer vof te realize phase 2 of the revamp of the existing old fashioned waste water treatment plant into a sustainable WWTP at the production location Oosterbierum (Friesland, NL). In phase 1 a new anaerobic reactor was constructed while the aerobic purification reactor was modified into a NAS® system with anammox bacteria. In phase 2 a 2nd ...


    By Colsen International b.v.

  • Colsen WWTP renovation in ’s-Hertogenbosch (NL)

    Besix-Hegeman has awarded Colsen the design and realization as well as the coordination of permit preparation and subsidy trajectory associated with the renovation of the communal WWTP of the city of ‘s-Hertogenbosch (The Netherlands). Colsen has been commissioned this project, which is executed in four phases: design and realization of the thermophilic sludge ...


    By Colsen International b.v.

  • Filtralite contract for large WWTP in Xinjiang, China

    maxit a.s in Norway has signed a contract with Atal Engineering Ltd.  in Hong Kong for delivery of Filtralite filter media to the Karamay Wastewater Treatment Plant in the Xinjiang province in China. The ordered volume is about 10.000 tonnes and the delivery will take place during 2009. The Karamay Wastewater Treatment Plant is for a petrochemical industry in the city of Karamay. The flow of ...


    By Filtralite - Leca Norge As

  • Dynatec awarded contract to install WWTP for new development

    A new apartment community in Concord, Mass. is being built with a 70,000 gpd membrane bioreactor. Dynatec was recently awarded a contract to design a two-process train membrane bioreactor system to remove BOD, TSS, Nitrogen and Phosphorus at 70,000 gpd for a new apartment community under construction in Concord, Mass.  Also, Dynatec ws awarded the contract to install the treatment equipment ...


    By Dynatec Systems Inc.

  • Acacia Correctional Facility Expands WWTP Capacity with Airoflo

    The Acacia Correctional Facility in Australia recently upgraded its WWTP facility with a new S&N Airoflo floating brush rotor replacing a 20 Hp vertical aerator.  Jason Shaw, with CHS Engineering, commented, “Due to water saver toilets in the prison facility, the waste stream is more onerous to treat than in a normal domestic stream . The difference the new Airoflo aerator has made ...


    By S&N Airoflo Inc.

  • Corrosion resistance essential for Spanish WWTP valve actuators

    One of the main considerations concerning the valve actuators at the Bens WWTP (Waste Water Treatment Plant) in Coruña, Spain, was its close proximity to the Atlantic coast and the resulting saline atmosphere in the area.  It is well known that this environment is highly corrosive to exposed electrical equipment and can be a major cause of unreliability and breakdowns. Rotork was able ...


    By Rotork plc

  • First 6 months of operating St Martin WWTP

    Assessment of the achieved results Port Louis _ Berlin - One of the administrative requirements upon taking over the operation of the St. Martin Wastewater Treatment Plant was the compilation of a full set of documentation necessary for any WWTP operation including operations, maintenance and health & safety manuals, which had to be drafted anew. This was followed by a comprehensive training ...


    By Berlinwasser International

  • The MAIOR HS installed at the WWTPs of the Autonomous Province of Trento

    At the Malè and Faver WWTPs of the Autonomous Province of Trento, has been successfully completed within January 2014 the installation and commissioning of the sewage sludge dewatering plants, by centrifugation, with the latest version of the Pieralisi decanters, the MAIOR HS series. Pieralisi supplied the complete dewatering plants, which include besides the MAIOR 4 HS RTV DFA ...


    By Pieralisi Group

  • French WWTP installs LIT open channel UV-system

    Recently O.E.I. France, distributor of LIT for the French market, installed a LIT open channel UV system in the South of France close to the Mediterranean Sea. The system is placed in the municipal Waste Water Treatment Plant (WWTP) of the village of Canet-en-Roussillon with 10.182 inhabitants. The capacity of the WWTP however is based on the summer season population of 66.000 inhabitants. The ...

  • Phosphate recovery by ANPHOS® at the WWTP Land van Cuijk (NL)

    Ever since the ‘Energy factory’ concept was launched more and more WWTP’s consider options to recover nutrients and to save energy via treatment of selected process streams.  Water is no longer treated as a ‘waste stream’ but considered a raw material. Phosphate represents a promising candidate for nutrient recovery from waste water. At the WWTP Land van Cuijk ...


    By Colsen International b.v.

  • Advanced Clarifier Design Increases Treatment Capacity at Miami WWTP

    WesTech Engineering, Inc. of Salt Lake City, Utah, has helped to increase the treatment capacity at the Miami Dade South District Wastewater Treatment Plant (WWTP) by 60 million gallons per day (MGD).  WesTech has supplied four new 195’ diameter clarifiers and retrofitted six additional 195’ diameter clarifiers with the proprietary Clarifier Optimization Package (COP™) ...


    By WesTech Engineering, Inc.

  • French WWTP installs LIT open channel UV-system

    Recently O.E.I. France, distributor of LIT for the French market, installed a LIT open channel UV system in the South of France close to the Mediterranean Sea. The system is placed in the municipal Waste Water Treatment Plant (WWTP) of the village of Canet-en-Roussillon with 10.182 inhabitants. The capacity of the WWTP however is based on the summer season population of 66.000 inhabitants. The ...

  • Finnchain Delivered 128 Scraper Systems to Athens Municipal WWTP in Psyttalia

    In 2001 FINNCHAIN and JOINT VENTURE (THEMELIODOMI S.A. - ELLINIKI TECHNODOMIKI S.A. - ATHENA S.A. - PASSAVANT MASCHINENTECHNIK GmbH - GIOVANNI PUTIGNANO & FIGLI S.R.L.) signed a contract for delivery of 128 Finnchain scraper systems to Psyttalia Wastewater Treatment Plant. The main reasons for this decision were FINNCHAIN's long experience and know-how of non-metallic chain scrapers and ...


    By Finnchain Oy

  • UV-Treated Wastewater Is Just A Quarter Of Allowable Level At New Zealand WWTP

    Since installing two Berson medium pressure UV disinfection systems, wastewater at a treatment plant in New Zealand now contains a quarter or less of the maximum allowable level of microbes. The closed-pipe bersonInLine® units at the Te Awamutu plant provide full tertiary treatment for up to 40,000 people. The Berson systems were chosen following tests against low pressure open-channel UV ...

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