WWTP Articles

  • Viikinmäki WWTP

    Helsinki city municipal wastewater treatment plant DEWACO delivered a complete sludge removal system comprising of: 14 nos. Chain & Flight type sludge and scum collectors (each system 65m x 8,2m) Project completion: 2008 Customer: Helsinki City Background info of this unique plant design can be found ...


    By Dewaco OY

  • Aerator solution for WWTP

    IN 1990, CIRCUIT ENGINEERING began importing the Aire-02 Triton Aerators from the United States. With over 60 000 installations of the Air-02 Aerators currently in operation worldwide, Aeration Industries is one of the world's leading aerator companies. This month. Water&Sanitation Africa spoke to Ryan Beswick, director of Circuit Environmental Engineering, to find out more about these ...

  • Case study: Municipal WWTP

    OverviewThe municipal WWTP at Monclova, Mexico had to increase its capacity by a factor of 1.5 and improve nitrification capacity, for 100% reuse by industry.  RequirementsThe city of Monclova operates a modern wastewater treatment plant which receives urban and industrial wastewater. A retrofit for an increase of 50% in capacity was required, as well as improvement in ...

  • Case study: Municipal WWTP

    OverviewAn urgent improvement of the effluent quality of the old existing WWTP of Yavne was required by the Environmental Ministry of Israel. RequirementEffluent from the Yavne WWTP used to be discharged into a river which flows into the Mediterranean Sea. Years of inadequate treatment in two extensive ponds caused severe pollution. As a result, the Environmental ...

  • FF System - Compact WWTP

    Our “FF System” is the perfect solution created by our engineers to guarantee a flexible and long lasting treatment unit which is ready use due to the fact that it is completely pre-assembled. This compact system includes all the required unit operations such as screening, dissolved air flotation, biological oxidation, sedimentation and UV disinfection. This is the best available ...


    By Panta Rei Srl

  • WWTP Industrial Coating Sector

    The pre-treatment operations prior to coating are the core of the fi nishing process of metal and plastic products: The end quality of any type of coating can precisely depend on a proper pre-treatment. Two types of pre-treatment are carried out in the metal coating processes: Chemical and mechanical. For the second type, dry technologies are used, such as shot blasting, sand blasting and so on, ...


    By SIMPEC S.r.l.

  • Biofiltration WWTP 50.000 PE

    The aerated upflow biological filtration (biofiltration) is a technology which is today successfully used in more than 500 European wastewater treatment plants. Among this, the one of Sallek Valley, in Slovenia, differs by a two stage biofiltration and a part-recirculation of sludge from thickener to increase the COD concentration needed for denitrification. This process allows an advanced ...


    By AquaBiotec

  • Biofiltration WWTP Sallek Valley

    WWTP Sallek Valley:advanced waste water treatment with upflow biofiltration. The aerated upflow biological filtration (biofiltration) is a technology which is today successfully used in more than 500 European wastewater treatment plants. Among this, the one of Sallek Valley, in Slovenia, differs by a two stage biofiltration and a part-recirculation of ...


    By Water Experts Germany

  • Newport WWTP Newport, WA

    In 2003 the city of Newport began a study of upgrading the city’s waste water treatment plant. Plant flows were increasing and the city wanted to process sewage from septage haulers handling recreational development in the area. Esvelt Environmental Engineering Company was selected to do the study and facility design. One of the first decisions made was rather than expand aeration basins, ...


    By BDP Industries

  • South Laredo WWTP - Case Study

    Stainless Piping Specialists is currently fabricating the aeration system pipe spool components for the South Laredo Waste Water Treatment Plant. The piping spools consist of custom fabricated laterals, diffuser aeration headers, and connecting flanged drop pipe. With the strict quality standards, material verification and a short lead time for the municipality to complete, the OEM for this ...


    By Stainless Piping Specialists

  • Perpignan WWTP Project - Case Study

    Customer: OTV France Sud (France) Project Name: PERPIGNAN WWTP Manufacturing year: 2006/2007 Scope of supply 3 pcs. Longitudinal Grit & Grease Scraper Bridges (with Control Panel, Grease Ramps and Guirlande ...


    By ASTIM A.S.

  • Energy benchmarking of South Australian WWTPs

    Optimising the energy consumption and energy generation of wastewater treatment plants (WWTPs) is a topic with increasing importance for water utilities in times of rising energy costs and pressures to reduce greenhouse gas (GHG) emissions. Assessing the energy efficiency and energy optimisation of a WWTP are difficult tasks as most plants vary greatly in size, process layout and other ...


    By IWA Publishing

  • WWTP Sludge reduction case study

    Introduction The City of Spring Valley, IL was seeking bioaugmentation to reduce the economic burden of sludge dredging and disposal and to evaluate the possibility of restoring the microbiological activity in the lagoon. The lagoon was flooded several times from the near-by Illinois River, which created different strata of inorganic silt/organic sludge and densely packed sludge at the ...

  • Woodstock WWTP Town of Woodstock, VA

    The Town of Woodstock was hauling liquid sludge to a regional plant which was having difficulty handling the high solids loading to their own plant. Woodstock needed of a temporary dewatering solution and decided to control their destiny by purchasing or renting dewatering equipment. With a growing town and an upcoming facility expansion, the plant had no building for equipment and decided that a ...


    By BDP Industries

  • Wilsonville WWTP Biosolids - Case Study

    About the Project The new facility includes two new structures: a dewatering and drying building, and a head works building. There are five additional major structures, including a new aeration basin, stabilization basin, clarifier, a bio-tower and ultraviolet light channel structure. All of these are used in the various stages of treating raw sewage before it is discharged as clean ...


    By Biorem Technologies Inc.

  • WWTP Yavne, Israel A Case Study

    Case Study: Municipal WWTPClient: Municipality of Yavne, IsraelStart Up: September 2005Capacity: 6,000 m3/d Overview An urgent improvement of the effluent quality of the old existing WWTP of Yavne was required by the Environmental Ministry of Israel. Requirement Effluent from the Yavne WWTP used to be discharged into a river ...

  • WWTP Georgia, USA - A Case Study

    Case Study: Municipal WWTPClient: Georgia – USAStart Up: 2009Capacity: 1,900 m3/d Overview The extensive municipal WWTP was required to upgrade its effluent quality to include extensive Ammonia removal. The project was conducted by Aqwise’s partner in North America, Siemens Water Technologies Corp. ...

  • WWTP Marines, Spain upgrading a municipal WWTP using AGAR® technology A Case Study

    Case Study: Municipal plantStart up: May 2007Capacity: 380 m3/d Abstract In view of EU directives for effluent discharge, it was required to upgrade the local sewage plant in the town of Marines, Valencia (Spain). The technology chosen for the project was AGAR® (Attached Growth Airlift Rector) of AqWise - Wise Water Technologies Ltd. La Entidad Pública de ...

  • Municipal WWTP, Spain: A Case Study

    Overview The oxidation ditch configuration based wastewater treatment plant in Spain required a quick upgrade in order to comply with new inflow and quality requirements. Requirements The existing plant was operating with two parallel Oxidation Ditch modules with a flow rate of 600 m³/d each, and exhibited very poor nitrification capacity. The plant was to be ...

  • SKIKDA WWTP Project - Case Study

    Customer: OTV France Sud (France) Project Name: SKIKDA WWTP Manufacturing year: 2008 Scope of supply 1 pcs. Ø 10 m Degazeur Tank Central Driven Surface Scrapers (with Weirs, Baffles and Scum Hoppers); Dry ...


    By ASTIM A.S.

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