Water Recycling Articles

  • Power Station Slag Recycling - Case Study

    The problem: Coal fired power stations operating tap slag boilers release most of the ashes resulting from the combustion as slag at the boiler bottom. There is a number of such power stations in Europe operative. These boilers are also known as wet bottom boilers. There are two types of wet-bottom boilers: the slag-tap boiler and the cyclone boiler. The slag-tap boiler burns ...


    By Dirk European Holdings LTD

  • How To Get Affordable Fourdrinier Paper Machines Online?

    When you begin to find different companies that sell fourdrinier paper machines, you can find a number of these available. These are typically wide application papermaking machines. These are typically very different than your typical cylinder mould paper machine, primarily because it is a lot faster. ...


    By Beston Machinery

  • Ten Ways to Conserve Water This Holiday Season

    The holiday season is almost here, which to us at WaterSignal means even more opportunities to conserve water! As you gear up for the holidays, save water and money with these ten water saving tips: 1.) Buy recycled paper products: Products made from 100 percent recycled paper require much less water in their manufacturing than those made from virgin paper. 2.) Inspect bathroom ...


    By WaterSignal

  • Large Precipitation Events are Critical in Replenishing Groundwater Resources

    Large precipitation events that occur about every 10 years are a critical source of recharge for replenishing groundwater resources, according to a new study by the U.S. Geological Survey and the Bureau of Reclamation. Groundwater is a vital source of water in the western United States, and will be increasingly ...

  • Wash Water Questions and Answers

    When the subject of Wash Water Recycling comes up there are many questions that can arise. The following are a few that are frequently asked are: Will it have an odor? What will its’ clarity be? How much is recycled? The above questions seem very basic but can at times create a complex response because of ...


    By ESD Waste2Water, Inc.

  • Reference: Clever water recycling with chlorine dioxide

    Vapour water at the Crailsheim-Dinkelsbühl dairy is disinfected and then returned to the production process by means of a chlorine dioxide system. The great news is that this significantly reduces water consumption and operating costs. Fewer costs The 160 members of staff at the diary "Milchwerk Crailsheim-Dinkelsbühl eG" process around 130,000 tonnes of milk a year, ...

  • Quantification and characterization of greywater from schools

    Survey of schools of different education levels (primary, intermediate and secondary) in Kuwait showed an average greywater generation rate of 7.3 L/p/d and varied  in the range of  2.9 – 16 L/p/d, reflecting the school level of education (i.e. student age). The highest rates were observed for primary schools while the lowest rates were observed in secondary schools where students ...


    By IWA Publishing

  • Water Recycling at Melbourne Sporting Precinct - past, present and future projects

    This case study presents the planning, design and operation of  water recycling facilities at the Melbourne Tennis center and Melbourne Cricket Ground. Melbourne and Olympic Parks precinct is Australia's premier sports and entertainment provider; home to hundreds sporting, cultural and entertainment events, most notably The Australian Open Tennis Grand Slam. As part of the overall masterplan ...


    By IVWater

  • Water dynamics and groundwater recharge in a deep vadose zone

    Understanding soil water dynamics and accurately estimating groundwater recharge are essential steps in achieving efficient and sustainable management of groundwater resources in regions with deep vadose zones. The objective of this study was to understand transient data and the dynamics nature of water from deep sections at the thick vadose zone, and to estimate groundwater recharge by ...


    By IWA Publishing

  • Pt. Lisas, Trinidad Receives 2 State-Of-The-Art Glass-Fused-To-Steel Water Storage Tanks as Part of Nation’s First Water Recycling Project for Water

    Florida-Aquastore, an authorized CST dealer serving the water storage and wastewater market across the state of Florida, the Caribbean, and Central and South America, has completed construction on two glass-fused-to-steel tanks at Point Lisas in Trinidad – the twin island country off the northern edge of South America.  The tanks were part of a $167,000,000 USD upgrade to the Beetham ...


    By CST Industries Inc

  • Drivers for and against municipal wastewater recycling: a review

    The reclamation, treatment and reuse of municipal wastewater can provide important environmental benefits. In this paper, 25 studies on this topic were reviewed and it was found that there are many (>150) different drivers acting for and against wastewater recycling. To deal with the challenge of comparing studies which entailed different research designs, a framework was developed which ...


    By IWA Publishing

  • Grey water recycling

    AZUD Watertech offers the prefabricated compact plant AZUD WATERTECH GW for the grey water treatment, without unpleasant odours or noise. The grey water is collected from showers, bathtubs and sinks and the treated water can be reused in toilets and landscape ...


    By Sistema Azud, S.A.

  • Quantification and characterization of greywater from schools

    Survey of schools of different education levels (primary, intermediate and secondary) in Kuwait showed an average greywater generation rate of 7.3 L/p/d and varied in the range of 2.9–16 l/p/d, reflecting the school level of education (i.e. student age). The highest rates were observed for primary schools while the lowest rates were observed in secondary schools where students are more mature ...


    By IWA Publishing

  • Evaluating the performance of water purification in a vegetated groundwater recharge basin maintained by short-term pulsed infiltration events

    Infiltration of surface water constitutes an important pillar in artificial groundwater recharge. However, insufficient transformation of organic carbon and nutrients, as well as clogging of sediments often cause major problems. The attenuation efficiency of dissolved organic carbon (DOC), nutrients and pathogens versus the risk of bioclogging for intermittent recharge were studied in an ...


    By IWA Publishing

  • The value of fracking wastewater treatment and recycling technologies in North Dakota

    The oil boom in North Dakota is aided by hydraulic fracturing, often referred to as fracking. Fracking uses a pressurized water, sand, and chemical mixture to break through layers of rock and release oil and gas. This procedure produces hundreds of truckloads of wastewater for each fracked well. In this study, we analyze the financial feasibility of a system of wastewater recycling and reuse to ...


    By IWA Publishing

  • Public perceptions of recycled water: a survey of visitors to the London 2012 Olympic Park

    The Old Ford Water Recycling Plant, operated by Thames Water, was used to supply non-potable recycled blackwater to some of the venues at the London 2012 Games. In an effort to learn from this experience, Thames Water commissioned a survey of visitors to the Olympic Park during the Games to explore public responses to the water recycling project. Results show a very high level of support for ...


    By IWA Publishing

  • Managed aquifer recharge: the widening gap between law and policy in India

    The past decade has witnessed discussions on various options to overcome groundwater depletion, such as rainwater harvesting (RWH) and ‘artificial recharge’ methods. This paper addresses law and policy issues relating to managed aquifer recharge (MAR). Based on an analysis of the National Water Policy of India and water polices and laws of the Indian states, a concrete case study, namely ...


    By IWA Publishing

  • Groundwater management: a search for better policy combinations

    Excessive groundwater pumping is now a global concern. There is no panacea for this problem, which needs to be addressed through continual policy improvements based on case studies. Good examples of the diversity of groundwater management are demonstrated by the Tokyo (Japan) and Orange County Water District (OCWD, California, USA) experiences. In Tokyo, excessive groundwater pumping was ...


    By IWA Publishing

  • A quantitative investigation of narratives: recycled drinking water

    Recycled drinking water represents one of the most obvious and technologically reliable sources of urban water. Yet it is one of the least implemented solutions. Blame has often been laid on the emotional and psychological difficulties of persuading people that recycled drinking water is safe to drink. This ‘yuck’ factor has been empirically identified as a statistically significant variable. ...


    By IWA Publishing

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