Water Screens Articles

  • Case Study - Estonian Cell - BCTMP Mill

    Wastewater generated at Estonian Cell The Aspen pulp mill Estonian Cell, part of Heinzel Group, rewarded HydroThane the contract as the technology supplier for their anaerobic treatment after having done extensive piloting in 2011. Since January 2014 the anaerobic treatment has been in operation, earning AS Estonian Cell both national and international recognition as being ...


    By HydroThane STP BV

  • First “True 8K” 120fps Dome Demo

    That was the headline that enticed me to fly to Toronto and the annual Giant Screen Cinema Association International Conference and Trade Show (GSCA). This event is all about the latest planetarium, IMax and other larger format curved screens – primarily in a dome or partial dome configuration. It attracts content creators, technology suppliers and operators of these theaters to see new ...


  • Should Your Sensor Have A Connector Or Pin Terminals?

    When it comes to measuring the activity of your project, it’s nice to have options. High precision sensors can offer plenty of selections from the range of your measurements to the output of your readings, but a sensor is only as good at its connection. Connectors and pin terminals are common and dependable connections that relay your readings from within the sensor to the screen in front ...


    By Jewell Instruments LLC

  • Real Time COD and BOD Monitoring in a Municipal Wastewater Treatment Plant - Case Study

    Introduction A municipal Wastewater Treatment Plant (WWTP) located in the Greater Toronto Area (GTA) currently utilizes Biological Oxygen Demand (BOD) from a 24-hour composite sample to monitor their discharge to Lake Ontario and meet compliance standards. The Challenge The BOD method run on the 24-hour composite from the final effluent of the WWTP is a 5-day ...


    By MANTECH INC.

  • Electrocoagulation Wastewater Treatment – An Application To Sustainably Reuse Textile Wastewater

    The textile industry is a water consumption intensive industry. Water is utilized for cleaning the raw material, and for the different steps in the textile dyeing process. Due to the effects of water scarcity and stricter environmental regulations, the cost of fresh water utilization has increased worldwide. In addition, the textile industry is faced with pressure by government regulators to move ...

  • Headworks Screening for Smaller Plants

    Water treatment facilities in smaller towns and villages, as well as treatment works supporting institutions, prisons, resorts or remote facilities, have difficult choices to make when selecting a headworks system. All require a solids control strategy, but lower flows and smaller budgets limit the available equipment options. A number of different types of equipment can be used to meet these ...


    By JWC Environmental

  • Assessment of organic micropollutants occurrence in treated wastewater using heat shock protein 47 stress responses in Chinese hamster ovary cells and GC/MS-based non-target screening

    Combining bioassays and analytical chemistry screening is a powerful approach to assess organic micropollutants which are the main contributors to toxic potential in complex mixtures of treated wastewater (TWW). The aim of this study was to perform a comprehensive toxicity assessment of treated effluents using stress response bioassays and then to assess the occurrence of the organic ...


    By IWA Publishing

  • Solution Driven Organics Recycler

    Ag Choice hauls, depackages and produces animal feed and compost. Founders Jay and Jill Fischer embrace new opportunities, and then figure out how to maximize efficiencies and profitability. BioCycle first visited Ag Choice in 2007, two years after Jay and Jill Fischer started their organics collection and composting enterprise in Andover, New Jersey. At the time, composting was an ...


    By BioCycle Magazine

  • Are you Sitting on a Ticking Time Bomb?

    Health risks of sitting for prolonged periods The Lancet have published a new study looking at the results of sitting for prolonged periods and the link to higher mortality. The study was undertaken by a number of international researchers who analysed the data from 16 studies covering more than one million men and women looking at sitting time, physical activity and ...


    By SHEilds Ltd

  • When It Comes to Screening Media, Quality Matters

    In precise industrial processes, all equipment and constituent parts must work together to drive performance and efficiency. For screening and sifting materials in the pharmaceutical, chemical, aggregate and other industries, your choice of media goes a long way toward determining the effectiveness of your machines. Even the best vibratory sifters are only ...


    By VibraScreener Inc.

  • Ovivo Deep Brackett Bosker technology - Case Study

    Challenge: Cleaning Bar Screens 358ft Underground Solution: TARP Brackett Bosker® technology When the Metropolitan Water Reclamation District of Greater Chicago needed a solution for cleaning the bar screens in their deep tunnel system hundreds of feet below ground, they turned to Ovivo. Ovivo Deep Brackett Bosker technology – Our ...

  • Nuclear power plant keeps intakes clean - case study

    When this nuclear power plant in the Great Lakes region needed reliable traveling water screens to keep it’s intakes clean, they chose International Water Screens. Vertical screens with hoods provide clean water to create steam to generate up to 725,000 kilowatts of electricity for the surrounding region. This project included: Traveling Screen(s) Elevator ...


    By International Water Screens

  • Cooling tower for Chemical processing plant - case study

    This chemical processing plant needed clean, debris-free water for cooling purposes. We created custom traveling water screens for their cooling tower that are compact and efficient. Smaller mesh sizes can catch fine debris for a this type of installation. No matter what architectural or engineering constraints, we’ll create a water screen solution that fits. This project included: ...


    By International Water Screens

  • San Francisco bay area city cleans Mossy mess - case study

    In Contra Costa County, east of San Francisco, we installed an IWS Screen to remove all types of water borne debris including moss, grass, hyacinth and tumbleweeds.   The installation reduces man hours and risk of injury from raking trash racks as well as keeping service lines clear. This project included: Traveling Screen(s) Elevator Pump ...


    By International Water Screens

  • Columbia River Gets a Vertical Fish Screen - case study

    The Columbia River is huge and runs past deserts, towns, major cities and numerous recreation areas. It is a major fishery, as well. So this screen had to protect and exclude fish, handle natural and urban debris, and operate in a constricted space.  We designed and installed large vertical fish screens with hoods. Now the irrigation canal is clean and clear of river debris. The fish are ...


    By International Water Screens

  • Nebraska inline Traveling water screen - case study

    A Nebraska irrigation district installed this IWS traveling water screen system to help protect pipelines leading as well as pivot irrigation lines.  Previous years required repeated cleaning of pivot filters and nozzles. Since the install, they have seen dramatic reduction in downtime and less need for back-flushing of lines for clean out. This project included: ...


    By International Water Screens

  • Idaho Water District’s new Hydroelectric project - case study

    This Irrigation District north of Twin Falls installed a new run of the river hydroelectric facility. In order to protect their new turbines, they installed this Traveling Water Screening System. The majority of debris consists of weeds, tumbleweeds, aquatic plants and urban debris. The 5 screens at this location drop debris on a 60’ long conveyor. The conveyor carries the debris to an ...


    By International Water Screens

  • Eight screens for California aqueduct - case study

    The Berrenda Mesa Water Districts’ California Aqueduct pumping station had a massive debris problem, causing high labor costs, injuries and endless headaches — until they contacted International Water Screens. We engineered and installed a large array of moss removal screens. Now: Labor issues resolved, no racks to clean. Pump efficiencies have improved to the point where the project ...


    By International Water Screens

  • Geothermal plant protects pumps - case study

    This large geothermal company needed reliable equipment in the deserts of southeastern California. Geothermal plants turn water into to steam to drive turbines. Protecting the pumps is paramount. Keeping the inflowing water clean of debris and marine life, an IWS traveling water screen provides reliable removal with minimal labor. Debris is lifted from the water, and dropped directly into a ...


    By International Water Screens

  • Vertical water screen for Pittsburgh, CA - case study

    The City of Pittsburg, California looked at repairing their old FMC vertical traveling water screens, but the price was exorbitant… Until they contacted International Water Screens. Our quote for a new water screen was lower than the estimated price to repair the FMC screen. After a year of operation they found that our design was much more efficient than the FMC screen. So, they decided ...


    By International Water Screens

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