water trash Articles

  • Trash Screen Monitoring in Falkirk

    Falkirk County Council, Scotland Supply and installation and maintenance of a Trash Screen blockage and Flood Warning system, 2006 - ongoing Hydro-Logic was appointed by Falkirk County Council to supply, install and commission a series of sites where there were concerns over flooding. The systems were deployed to supply alarms to a central control office at Falkirk ...

  • Flood and trash screen monitoring

    Hydro-Logic was contracted by City of Edinburgh Council in 2010 to supply and install water level monitoring and flood warning systems at 10 key locations throughout the City. The sites were on open water courses and culverted stream running through the city suburbs where flooding has been a recurring problem over several years. Design and installation services were provided by our sister company ...

  • Stop trashing the climate

    In June, the Institute for Local Self-Reliance (ILSR) joined with Eco-Cycle and the Global Anti-Incinerator Alliance (GAIA) to release Stop Trashing the Climate, a report documenting the link between climate change and unsustainable patterns of consumption and wasting. Authored by Brenda Platt of ILSR, with coauthors Eric Lombardi of Eco-Cycle (Boulder, Colorado) and Dave Ciplet of GAIA, the ...


    By BioCycle Magazine

  • Shredding tyres stops zika virus breeding

    Zika is a dangerous disease threatening millions of people today in southern hemisphere. It is spread mostly by the bite of an infected Aedes species mosquito (Ae. aegypti and Ae. albopictus). These mosquitoes bite during the day and night. Once you get bitten it is too late to do much but what is important is to prevent this mosquito from breeding. Mosquitos typically lay eggs near water because ...


    By Tana Oy

  • Talking Trash: The world`s waste management problem

    Trash is a pervasive but unnoticed part of our lives. The great irony of waste management is that even the most efficient and well-run waste collection programs remain out of sight, ignored by the public that they serve. Only with failure does the omnipresence of trash really come to light. Today, many nations face a looming waste management crisis, as their landfills reach capacity and continue ...

  • Wastewater treatment facility uses ‘monsters’ to better manage screening, odor and trash

    As wastewater pours into the Cobourg Water Pollution Control Facility located on the outskirts of this Canadian town, it comes loaded with organics, trash, debris and chemicals. A large perforated plate screen system, called a Monster Separation SystemTM, is the plant’s first line of defense and removes all unwanted solids in order to protect downstream processes.Managers at the facility report ...


    By JWC Environmental

  • Large Diameter Impellers Make Trash Pumps More Versatile

    The introduction of these impellers allow for a higher range of discharge pressure. Pumps are available in many types—diaphragm, positive displacement and progressive cavity—but the most common is a centrifugal pump. Centrifugal pumps have an impeller that spins, transferring energy to the fluid by centrifugal force and directing the water to the discharge point within the ...


    By Griffin Dewatering

  • Green Water Infrastructure

    Stormwater runoff is a major cause of water pollution in urban areas. When rain falls on roofs, streets, and parking lots, the water cannot soak into the ground. In most urban areas, stormwater is drained through engineered collection systems and discharged into nearby waterbodies. The stormwater carries trash, bacteria, heavy metals, and other pollutants from the urban landscape, degrading the ...


    By IWA Publishing

  • WaterMiner and Fracing Make-up water

    Using the WaterMiner sewage cleaning and disinfection capabilities to create clean fracking make-up water for gas companies, and to provide a new source of revenue for municipalities. Stage, a near instant on, WaterMiner behind the exisiting trash screen of your municipal WWTP or at your lagoon.  The WaterMiner will scalp off the gas companies required flows, for a fee due to the ...

  • Industrial cooling water fouling by Dreissenidae

    Together with the cooling water, a wide range of living organisms is entrained into cooling water systems, which can readily colonise the available surfaces in the system. Growth conditions in the cooling water system often are ideal for sessile organisms: the steady water flow assures abundance of nutrients and oxygen, while access for predators is limited. The consequence of this is that ...


    By Aquator B.V.

  • Out of the water, out of harms way

    Across the nation scientists are detecting low concentrations of pharmaceuticals in lakes, streams, drinking water sources and in soils irrigated with reclaimed water, according to the United State Geological Service and the US Environmental Protection Agency (EPA).Over 80% of waterways tested in the US show traces of common medications such as acetaminophen, hormones, blood pressure medicine, ...

  • 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

  • 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

  • A lot of water has flown under the bridge

    Indian mythology has it that a King had to undergo penance for an inordinately long period of time in order to please Mother Ganges so that she would flow and provide water to his subjects for irrigation ...


  • Case study - Daphne utilities water reclamation facility

    With significant TSS and BOD reductions from their Salsnes Filter system, Daphne Utilities has restored previously lost plant capacity. More than that, loading reductions have cut back aerator maintenance and lowered energy consumption of blowers. Project Background Daphne Utilities, situated on the eastern shore of Mobile Bay in Alabama, provides water, sewer and natural ...

  • 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

  • Landfill disposal of unused medicines reduces surface water releases

    The pharmaceutical industry is conducting research to evaluate the pathways and fate of active pharmaceutical ingredients from the consumer to surface waters. One potential pathway identified by the researchers is the disposal of unused pharmaceutical products that are discarded by consumers in household trash and disposed of in municipal solid waste landfills. This study was designed to evaluate ...


    By John Wiley & Sons, Ltd.

  • Bottled Water Boycotts: Back to-the-Tap Movement Gains Momentum

    From San Francisco to New York to Paris, city governments, high-class restaurants, schools, and religious groups are ditching bottled water in favor of what comes out of the faucet. With people no longer content to pay 1,000 times as much for bottled water, a product no better than water from the tap, a backlash against bottled water is growing. The U.S. Conference of Mayors, which represents ...


    By Earth Policy Institute

  • Development of a novel epigeic-anecic-based polyculture vermireactor for efficient treatment of municipal sewage water sludge

    The potential of vermireactors, based on polyculture and monoculture system, was evaluated by using substrate consisted of domestic sewage sludge mixed with sugarcane trash, under laboratory conditions. Polyculture reactor was designed by using an epigeic (Eisenia fetida) and an anecic (Lampito mauritii) species of earthworm, while monoculture reactor had E. fetida only. Comparatively the end ...


    By Inderscience Publishers

  • Determination of odorous VOCs and the risk of occupational exposure to airborne compounds at the waste water treatment plants

    Concentrations of non methane-VOCs and risk levels of employees’ exposure to VOCs were determined at two Finnish waste water treatment plants. The concentration of hydrogen sulphide (H2S) reached the Finnish OEL (occupational exposure limit). The concentrations of styrene, 1,2-dichloroethane, and toluene were found to be elevated at plant A. 328.4 μg/m3 of styrene and 709.8 μg/m3 toluene was ...


    By IWA Publishing

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