tank flushing Articles

  • Evaluation of the optimal size of a rainwater harvesting system in Sicily

    In the Mediterranean area, water scarcity represents a critical issue due to the increasing water demand related to the population growth and the expansion of urban and industrialized areas. Rainwater harvesting (RWH) may be an effective alternative water supply solution to deal with water scarcity in order to reduce non-potable water needs. The reliability of RWH systems is greatly affected ...


    By IWA Publishing

  • Knowledge of measures to safeguard harvested rainwater quality in rural domestic households

    Given the possibility of waterborne diseases caused by inappropriate rainwater harvesting systems, a survey was conducted in Uganda to assess existing knowledge of both physical and non-physical measures that safeguard harvested rainwater. Households who had received rainwater tanks were assessed on issues related to harvested rainwater quality. The study shows that 84% of respondents were aware ...


    By IWA Publishing

  • FLXX tightly sealed tanks protect ground water

    Every time we turn on a faucet, run the dishwasher, do a load of laundry, wash our cars, eat at a restaurant, use chemical compounds on our lawn, or flush our old prescription medication down the drain, we're impacting the global water supply. Front Range Precast Concrete in Boulder is working to protect water resources. It has been making watertight concrete tanks under the brand name FLXX for ...


    By Front Range Precast Concrete

  • Case study - City of Chicago, Illinois

    Project: Rooftop rainwater to flush toilets - Valley Forge Field House Challenge: The Chicago Public Building Commission, in coordination with the Chicago Parks Division, wanted its newest Field House on Valley Forge Road to serve as an example of sustainable building practices.  So there was interest in retaining and reusing the rainwater and stormwater from the ...

  • Case study - Client: Panduit Corporation

    Project: Rooftop rainwater to flush toilets. Panduit is a leading, world class developer and provider of innovative networking and electrical solutions. The company planned a 280,000 square foot new world headquarters building in Tinley Park, IL. (2008-2009) Challenge: To realize energy savings and to provide a healthy workplace and planet, the company wanted to achieve ...

  • Balancing water demand reduction and rainfall runoff minimisation: modelling green roofs, rainwater harvesting and greywater reuse systems

    Recent years have seen a growing interest in more distributed approaches towards stormwater management, often integrated with other forms of distributed management of urban water such as water demand management technologies. This paper focuses on the role of green roofs (GR), rainwater harvesting (RWH) and greywater reuse and their integration at the building level. A number of models were ...


    By IWA Publishing

  • STP Plant Supplier in Chennai – sewage treatment Plant in Chennai Tamilnadu

    RRR ENVIRO SYSTEMS STP plant supplier in Chennai Tamilnadu .We are the Manufacturing and supply of all the types of STP Plant like ASP & FBBR Methods in 10 KLD STP,50 KLD STP, 100 KLD STP, 150 KLD STP, 200 KLD STP, 300 KLD STP, 400 KLD STP, 500 KLD STP, 600 KLD STP with the best rates available in the Indian Market. Process Of STP plant The sewage shall be passed through the screen chamber to ...


    By RRR ENVIRO SYSTEMS

  • A survey of the characteristics and maintenance of rainwater tanks in urban areas of South Australia

    Households resident in metropolitan Adelaide and surrounding areas in South Australia were recruited into a randomised controlled trial. A total of 630 rainwater tanks with a total tank capacity of 14.5 ML were installed at the 325 households surveyed. The majority of the tanks were plumbed into the kitchen (64.6%), over 10 years in age (45.5%), over 15,000 L in capacity (42.5%) and composed of ...


    By IWA Publishing

  • Muller + Muller`s lakefront restrooms flush with rainwater

    A pair of highly sustainable comfort stations debuted on Chicago's lakefront over the summer, at 5800 North and 4000 South. Designed by Muller + Muller Architects, the seasonal-use brick structures use natural ventilation, daylighting and low-maintenance materials to minimize their ongoing use of resources. But prime among the pair of buildings' low-impact strategies is the use of captured ...

  • How do pressure swing adsorption nitrogen generators work?

    Adsorption is a gas separation process whereby the gas molecules adhere to a surface when under pressure. Adsorption allows for the ability to separate specific gasses, such as nitrogen, from compressed air by selecting an adsorbent material which unwanted gases more readily diffuse into. In the case of air-to-nitrogen separation, compressed air is passed through a cylinder containing a Carbon ...

  • Innovation in radioactive wastewater-stream management: Part one

    Treatment of radioactive wastewater streams is receiving considerable attention in most countries that have nuclear reactors. The first Egyptian research reactor ETRR-1 has been operating for 40 years, resulting in accumulation of large quantities of wastewater collected in special drainage tanks called SDTs. Previous attempts were aimed at the volumetric reduction of streams present in SDTs, by ...


    By Inderscience Publishers

  • IFAS Media in a Sequencing Batch Reactor for Nitrification and Denitrification of High Strength Wastewater

    In 1996 a study group identified pig farm waste as one of Asia’s foremost environmental problems. So in 1999 a US AEP led effort established the Environmental Center for Livestock Waste Management (ECLWM) on the campus of the National Pingtung University of Science and Technology (NPUST), Taiwan. The ECLWM constructed a state-of-the-art prototype swine manure wastewater treatment system. A ...

  • Mixing a 2MG Hydropillar potable tank - Case study

    Solving disinfectant residual problems and adding boosting capability. Topics: SolarBee® SB Series, solar-powered, chloramine, disinfectant boosting System Overview: Serves -38,000 City residents. Disinfectant Type: Chloramine Tank Build Information: Tank Volume (gallons): 2,000,000 Tank Type: Hydropillar, ...


    By Medora Corporation

  • Self build in Surrey Incorporates Grey water system

    Grey isn't such a grey area It's an environmental and economic no-brainer Designing environmental criteria into home building projects is not as difficult or as expensive as it may appear, as discovered by web and graphic designer Keiran Wynyard. Keiran was determined that his self-build extension to his home in Tadworth, Surrey would meet some important environmental ...

  • Membrane cleaning skids prolong operating life of costly membrane filtration units

    Considered one of the most important and costly components of a reverse osmosis purification system, membrane filtration elements (a thin semi-permeable layer which desalinates seawater) collect mineral buildup, organic materials and bacterial agents. The Lifestream Membrane Cleaning Skid cleans, flushes out and preserves the membrane, reviving efficiency and prolonging membrane life.Designing a ...

  • Looking for grey water treatment solution? Read this!!

    With time, the individuals have understood the value of water and thus have started to re-use the wastewater after treatment. Grey water Reuse is one of the common examples which are being observed nowadays. Mainly, the big hotels and facilities building, which use high amount of water every day, are now adopting the water treatment solution for Grey water. Every day, ...

  • Experiences with Subsurface Flow Wetlands in Wisconsin: A Case Study

    ABSTRACTWhat started as a one time public education project in 1995 grew to building and operating several subsurface flow wetlands treating domestic wastewater in Wisconsin for: single residences, multiple (clustered) residences, and for commercial/ institutional concerns. This paper shares experiences gathered during five plus years of operating six wetland systems in central and southeastern ...

  • Some Useful solutions for keeping your toilet clean

    The toilet is like the bathroom. It is a moist area of the home or offices due to the volume of water in the cistern, and as we know - microorganisms or germs love a humid prone area to breed in. Bacteria in the toilet absorb organic waste and release gases with bad smell. Bacteria can generally be found in the toilet bowl area but they are also hidden on the seat, the flush, the floor, and the ...


    By Hydra International Ltd

  • Grey water recycling for Internationally Renowned Merchant Bank

    New Nomura building water recycling system passes the test of time. One Angel Lane, the iconic new European headquarters of Nomura in the City of London, has a comprehensive grey water and rainwater water combined system providing 100% of water for toilet flushing on the first five floors of this eleven floor building. Installed by Aquaco in June 2008, the system is working to the ...

  • Clarifiers-No, Filtration-Yes: A Case Study

    Problem Twenty miles southeast of Coos Bay, Oregon situated at the conjunction of the North and South Forks of the Coquille River lays the town of Myrtle Point. Just five years ago this community of 2670 residents was facing a large potable water problem with an even larger price tag. The town feeds its water treatment plant from the North Fork Coquille River. Prior to the 1990s the water ...

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