cso screen Articles

  • Operations and maintenance requirement of vortex with disinfection and screening with disinfection cso facilities

    ABSTRACT Technologies such as screening, vortex and high-rate disinfection are successfully operating to meet CSO requirements at satellite locations through the County. Owing to the sporadic nature of CSO, such facilities have been designed with the objective of simplicity and reliability with minimal operational attention. This paper will report on the operational and maintenance ...

  • ROMAG storm water screen system for the CSO works La Maladière in Neuenburg

    With the RSW-K high-capacity storm water screen and a emergency shut-off valve, the volume of the upstream sewerage system is optimally utilized and the receiving body ideally protected against contamination. The storm water screen removes visible solids from the sewage water before the water is discharged into the receiving body. At the La Maladière surplusing works, the ROMAG RSW-K ...


    By ROMAG aquacare ag

  • Kijlstra’s precast CSOS lead the way

    As ever, time is money in the civil engineering industry and anything which can deliver high quality results in double-quick time is worth investigating. Hence in the specialised business of storm drainage and flood attenuation – currently a rare growth area in the industry – engineers and contractors are catching on to the considerable advantages of using pre-cast concrete ...


    By Kijlstra LTD.

  • CSO Control Facility, City of Hackensack, NJ

    Hackensack is the seat of Bergen County in northeastern New Jersey, occupying 4.6 squaremiles. The population of Hackensack is approximately 43,000. Elevation is from three feet to 120 feet above sea level and from a number of locations one can see the New York City skyline, seven miles to the east. During wet weather conditions the sewer system diverted large volumes of untreated waste water to ...

  • Springfield refines CSO plan with InfoWorks CS

    With the aid of InfoWorks CS, the Springfield Water and Sewer Commission (SWSC) has been able to find a cost-effective and environmentally-sustainable alternative to a proposed CSO relief project. Springfield is in south-western Massachusetts, New England, and is the area’s major urban center and largest community. The Connecticut River, one of the state’s key waterways, forms its western border. ...


    By Innovyze

  • Budget Development for Operations/Maintenance Requirements For CSO/SSO Control Facilities

     ABSTRACT Many communities are in the process of developing or implementing CSO/SSO Control Plans. An important aspect of this process is the identification of the staffing and associated cost of the various types of controls that will eventually make up the Control Plan. Historically, the development of these Plans have directly considered the capitalcosts of the various control ...

  • Pittsburgh builds its CSO planning program around InfoNet

    When the Pittsburgh Water and Sewer Authority (PWSA) in Pittsburgh, PA commissioned Metcalf and Eddy and the Michael Baker Corporation to develop a long-term plan for ...


    By Innovyze

  • CSO Disinfection in Tokyo, Japan: Confined Space Solutions Using a Small Footprint, Energy Efficient, High Rate Disinfection System Utilizing a Bromine Based Biocide

    Operational success of a small footprint, low efficiency, high-rate, disinfection system for combined sewer overflows (CSO’s) has been demonstrated at six locations in Metropolitan Tokyo since 2001. An effective biocide, BCDMH (1-bromo-3-chloro-5, 5- dimethydantoin) is stored in a stable powdered form and can be dispatched at a high rate to raw water flows. Fast reaction times significantly ...

  • Kijlstra helps save time and space

    A pre-fabricated Combined Sewer Overflow (CSO) chamber from leading precast drainage manufacturer Kijlstra has helped contractor Clancy Docwra cut installation times and minimise disruption during a flood alleviation project for Scottish Water Solutions. The scheme involved upsizing the surface water drainage system and installing a CSO to protect homes in Kingsknowe Road North, located in the ...


    By Kijlstra LTD.

  • Micropollutants in stormwater runoff and combined sewer overflow in the Copenhagen area, Denmark

    Stormwater runoff contains a broad range of micropollutants. In Europe a number of these substances are regulated through the Water Framework Directive, which establishes Environmental Quality Standards (EQSs) for surface waters. Knowledge about discharge of these substances through stormwater runoff and combined sewer overflows (CSOs) is essential to ensure compliance with the EQSs. Results from ...


    By IWA Publishing

  • The Use of Computational Flow Modeling to Determine Disinfection Efficacy of an Advanced Hydrodynamic Vortex Combined Sewer Overflow Treatment System

    The ProblemA number of cities in Northeastern US are investigating the installation of new combined sewer overflow (CSO) treatment units utilizing an Advanced Hydrodynamic Vortex Separator (HDVS) with a self-cleansing screen. Hydrodynamic Vortex systems have traditionally been utilized as high-rate solids liquid separators and only recently have their potential use as contact chambers for ...

  • Mononov provides stormscreen protection for lake district beauty spot

    The station’s existing screens had previously caused system blockages that posed a threat of subsequent flooding. Looking to install an extra level of screening into the system, United Utilities were impressed by the flow-powered operation and the selfcleaning action offered by the SC1A15064 Mono Stormscreens. “The Bowness CSO overflow chamber is located under a main road and accessed via a ...

  • Cost effective solutions from Kijlstra

    Kijlstra, one of Europe’s biggest manufactures of off-site precast drainage products, is helping to provide significant cost reductions on a major water infrastructure project in the regency town of Royal Leamington Spa. Kijlstra is supplying CSO structures and river outfalls together with large valve chamber’s to framework sewerage contractor NMCNomenca, who are constructing a ...


    By Kijlstra LTD.

  • World’s largest compressible media filtration plant eliminates combined sewer overflows, with potential for dry-weather use

    The City of Springfield, Ohio, recently opened its 100 MGD enhanced high-rate treatment facility, designed to treat and disinfect combined high-volume stormwater and wastewater flows generated by wet-weather conditions. Utilizing EPA-documented Compressible Media Filtration technology – FlexFilter™ from WesTech – the system can also provide tertiary filtration and disinfection ...


    By WesTech Engineering, Inc.

  • Side By Side By Side: The Evaluation of Three High Rate Process Technologies for Wet Weather Treatment

    ABSTRACTMost large combined sewer communities face significant financial investment to address wet weather compliance issues. Innovative, cost-effective methods of dealing with wet weather flows is a must to prevent spiraling rate increases for rate payers. High rate clarification and high rate filtration systems are becoming the technology of choice for treating wet weather flows. The City of ...

  • New Energy BFP case study

    Clarification and Dewatering Control Industrial TSS The New Energy Corporation facility in South Bend IN produces 380,000 M3 per year (100 million gallons per year) of ethanol from corn feedstock. It also produces about 272,000 tonnes per year (300,000 tons per year) of carbon dioxide and 299,000 tonnes per year (330,000 tons per year) of distillers' dried grains with solubles (DDGS) ...


    By Komline-Sanderson

  • ‘Smart’ flood alleviation system protects Portsmouth

    In late 2014, Southern Water completed a major project to reduce the risk of sewer flooding in parts of Portsmouth and Southsea. Substantial works were undertaken to divert runoff and tidal ingress, and a ‘smart’ hydrometeorological monitoring system was installed to enable prompt diversion of excess water during periods of high rainfall. Sewer level monitoring is undertaken in ...

  • BM Respirometry

    BM respirometery is a state of the art technology in where the traditional and most advanced respirometry techniques are gathered in one exclusive design developed by SURCIS Company. BM Respirometry makes use of a single reaction vessel that in certain mode replicates the actions that occur at a treatment plant under the conditions we set for the test. The BM system, under a powerful ...


    By SURCIS, S.L.

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