tank flushing Articles

  • Barnet Eco-School get rainwater collection tank

    Rainwater Harvesting system supplied to Northway and Fairway school in Barnet Aquaco are supplying a 30,000 litre rainwater collection tank together with associated pump sets, controls, filtration and Ultra Violet disinfection for the use of toilet flushing within the school building. Aquaco will be testing and commissioning the equipment once ...

  • Rainwater harvesting for welfare centre in Newcastle

    Shilbottle Welfare Centre Rain Water Harvesting System A complete rainwater harvesting system has been delivered by Aquaco for the Shilbottle Welfare Centre run by Newcastle City Council. The system comprises of a 15,000 litre underground GRP rain water collection tank incorporating a stainless steel mesh leaf filter and dual submersible pump sets which is a typical example of an ...

  • Workshop: Exploiting the rainwater resource

    Professor Mooyoung Han chaired a workshop for the recently-created IWA Rainwater Harvesting and Management (RWHM) Group. Professor Han is well-known as an expert in the field of rainwater harvesting and was involved in the Star City project in Seoul, Korea. The Star City project was a landmark project for an increased focus on rainwater harvesting in Korea, a high-rise building complex on the ...


    By IWA Publishing

  • International sailing centre - case study

    Problem: The high week-end and low weekday use of this facility, plus seasonal variations in water usage, led to an increase in detected legionella counts. A solution was required that would be easy to control, simple to retro-fit and would operate equally effectively in periods of high and low usage. Solution: A Tarn-Pure system was installed ...


    By Tarn-Pure Ltd.

  • Greywater recycling system installed at Canary Wharf

    First combined Rainwater Harvesting/Grey Water Recycling System to be installed at Canary Wharf in London E14A multi-storey office at Canary Wharf will be installing the first combined Grey,Rain and AC Blow down water recycling system in Canary Wharf. The reclaimed/recycled water will be used for toilet flushing feeding WC's at 9000 litres per hour. The rain and grey water will be collected in a ...

  • Grey water recycling for Taylor Wimpey

    Taylor Wimpey opt for Grey Water recycling The national developer and household name Taylor Wimpey has opted to include the "Aquawiser" grey water recycling system at a large housing development in Kent. The scheme will be offering a mix of houses and apartments Aquaco's grey water system. Grey Water Systems involve the collection of bath water and shower water which is then ...

  • Quality assessment of rooftop runoff and harvested rainwater from a building catchment

    A major obstacle to the promotion of rainwater harvesting is chemical and microbiological concerns. To determine its suitability as an alternative water resource, water quality parameters such as pH, turbidity and metal ion concentrations and counted total coliform, Escherichia coli and heterotrophic bacteria were measured. It was observed that the stored rainwater had a neutral average pH and ...


    By IWA Publishing

  • Integrated urban water management in commercial buildings

    Monitoring results are presented as an annual water balance from the pioneering Landcare Research green building containing commercial laboratory and office space. The building makes use of harvested roof runoff to flush toilets and urinals and irrigate glasshouse experiments, reducing the demand for city-supplied water and stormwater runoff. Stormwater treatment devices also manage the runoff ...


    By IWA Publishing

  • Eco home in Brighton uses Greywater system

    Award winning eco home saves 100litres of water a day Having attended a self-build course, Jackie and Alan employed DRP, a firm of Brighton architects which produced a design that specified a whole range of eco technologies and materials including a grey water recycling system provided by Aquaco. Their new home achieved an 'Ecohomes' excellent standard thanks, in part, to water ...

  • Case study - Client: University of South Florida, Tampa, Fl

    Project: Rooftop rainwater to flush toilets. Patel Center for Global Solutions. Challenge: The Patel Center is the first LEED certified building at the university of South Florida, and sustainable water practices were an important objective for the building's stewards. With an estimated occupancy of 700 students and 70 teachers and employees per day, the system needed to ...

  • Effect of first flush on storage-reliability-yield of rainwater harvesting

    Rainwater harvesting (RWH) entails capture of rainwater falling on a roof and conveyance to a storage tank for later use as domestic water supply. During dry weather, dust and pollutants accumulate on the roof surface and are subsequently washed off with the ‘first flush’ at the beginning of the next rain. Diverting the first flush can improve the quality of stored water but at the cost of ...


    By IWA Publishing

  • Impacts of using rainwater tanks on stormwater harvesting and runoff quality

    The popularity of rainwater use in Australia depends completely on the individual householder's preference. The quality of reticulated water supplies in major cities of Australia is far superior to water stored in rainwater tanks. However, due to persistent drought and the implementation of stringent water restrictions, cities such as Melbourne have encouraged the use of rainwater harvesting ...


    By IWA Publishing

  • Case study - The home depot smart home-duke university

    Project: The Home Depot Smart Home-Duke University; smarthome.duke.edu Location: Durham, NC Application: Toilet Flushing, Laundry and Landscape Irrigation System(s): Landscape - (2)1,400 Gallon CorGal®, Model 602 with, RMH-10 Pump Station, Domestic - (6) 350 Gallon Top Tanks w/ RMH-10 Easy, Stand Pump and Controls, ...

  • Appropriate resolution timescale to evaluate water saving and retention potential of rainwater harvesting for toilet flushing in single houses

    The main objective of the paper is to identify the appropriate temporal scale for modeling the behavior of rainwater harvesting tanks in relation to the purpose they are built for, i.e., water saving, stormwater retention potential, etc. A tank water balance model coupled with a specific procedure to determine long-term series of rainfall (tank inflow) and toilet flushes (tank outflow) at ...


    By IWA Publishing

  • Case study - Northern Guilford High and Middle Schools

    Project: Northern Guilford High and Middle Schools Location: Greensboro, NC Application: Toilet Flushing and Fire Suppression System(s): 360,000 Gallon Cistern, 270 GPM Rainset w/ Back-up, Water Supply, Water Treatment, Controls Project Description This education complex benefits from a centralized ...

  • Sustainability evaluation of a primary school rainwater demonstration project in Tanzania

    Water shortages are widely prevalent in developing countries, affecting lives of people including schoolchildren, who miss classes while fetching water for daily use. A typical case was that of Mnyundo Primary School in Tanzania, East Africa. A rainwater harvesting (RWH) system was then constructed because of easy adaptability of the technology. The purpose of this study is sustainability ...


    By IWA Publishing

  • A survey of attitudes and acceptance of wastewater reuse in Iran: Shiraz City as a case study

    People's attitudes are a key issue in the use of reclaimed wastewater. Unfortunately, there is not enough research on the use of reclaimed wastewater in developing countries such as Iran. The present study aimed to investigate public acceptance and citizens' attitudes toward reclaimed wastewater in Shiraz, Iran. A two-part questionnaire, designed to collect demographic data and information ...


    By IWA Publishing

  • Types and distribution of improved sanitation technologies in sub-Saharan Africa

    Access to improved sanitation technologies in sub-Saharan Africa (SSA) is very low. Despite the importance of improved sanitation technologies in sanitation monitoring, little attention has been given towards the types and distributions of improved sanitation technologies used in SSA. This paper presents an analysis of the distribution of improved sanitation technologies in SSA, with ...


    By IWA Publishing

  • Acceptance of water alternatives in Australia – 2009

    In a nationally representative study with a sample size of 1495, Australian residents were asked about their attitudes to recycled and desalinated water. Specifically, they were asked to state how likely they would be to use these sources of water for 14 purposes. Recycled water was found to have a higher stated likelihood of being used for watering gardens (compared to desalinated water). No ...


    By IWA Publishing

  • Evaluation of dual-mode rainwater harvesting system to mitigate typhoon-induced water shortage in Taiwan

    The water shortage of today's world is one of the most challenging problems and the world is looking for the best solution to reduce it. Some human made causes and also natural causes are liable for the shortage of the existing water supply system. In Taiwan, especially during typhoon, the turbidity of raw water increases beyond the treatment level and the plant cannot supply required amount of ...


    By IWA Publishing

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