water recycling Articles

  • Mobilization assessment and possibility of increased availability of PAHs in contaminated soil using column tests

    Surfactants are well known to increase solubility/mobility of hydrocarbons and can be used to remediate contaminated water and soil. We wanted to explore if Ivey sol R   106 used at less than the critical micelle concentration (CMC) could effectively mobilize PAH (polycyclic aromatic hydrocarbons) from contaminated soil. The first step was to establish a measurement technique. Hence, a ...


    By Ivey International Inc.

  • Using Anaerobic Biomass Digestion to Produce Hydrogen and Biofuel

    For many years, hydrogen has been considered as an alternative to fossil fuels. Now, Scientists are aiming to develop an environmentally friendly method to produce hydrogen from biomass by optimizing anaerobic digestion systems.1 Climate change, dwindling fuel resources and energy prices have spearheaded intensive efforts to detect and optimize ...


    By Edinburgh Instruments Ltd

  • Raising Dead Ships: Derelict Vessel Removal

    One of Global’s specialties is vessel salvage – if your vessel runs aground or sinks, we’ll raise it and hopefully refloat it for you. But what happens to the thousands of old, worn out vessels that sit abandoned along the coasts and harbors? Often they sink, where they pose an environmental and navigational hazard. That’s why Washington, Oregon, California and Alaska have ...

  • Talking about Water Recycling

    Introduction Community understanding of water and environmental issues is increasing. In some cases water recycling projects have been controversial but also there have been many successful projects with strong public support. Considerable experience has been gained about the issues affecting community acceptance of water recycling and the conduct of community ...


    By IWA Publishing

  • London underground water recycling

    Cockfosters Tube Washing Facility This system was used to wash tube trains for the London Underground. Aquaco provided them with a 10,000 litre and an 18,000 litre system including dual pump set, two ground filters and a UV disinfection ...

  • Water Recycling Home Page

    Recycled Water as a Valuable Resource In many parts of the World, freshwater supplies are limited. Rainfall and river flows are often seasonal and intermittent. Growing water needs are causing increased competition for available supplies. In some regions, the amount of water available is being reduced by global warming and climate change. Until recently, most of the water ...


    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.

  • Recycled Water Quality

    Matching recycled water quality to beneficial uses requires an understanding of health and environmental requirements. Measures to achieve appropriate recycled water quality are determined firstly by treatment. The degree of treatment depends in part on the source and the hydraulic and biochemical characters of the wastewater. Overall recycled water outcomes may also be controlled ...


    By IWA Publishing

  • Recycled Water saves California Farms

    After studies show no viable microorganisms in tertiary treated wastewater, growers in Salinas Valley now get two-thirds of their agricultural water needs from recycled sources. RECYCLED water is saving the farm for approximately 75 growers in the Salinas Valley along California’s Central Coast. Because their wells were becoming contaminated with seawater, these growers began irrigating their ...


  • Decrease Operating Costs with Water Recycling

    Compliments to the growing competition from NAFTA, tighter environmental regulations, and increasing demand for higher quality finished products, the profits for Fresh Cut Food processors has decreased over the years. Profits canbe as low as a few cents per pound of finished product. Plant managers and engineers are scrambling to find methods of decreasing the processing operating costs and still ...


    By Integrated Engineers Inc.

  • Frac Water Recycling White Paper

    Balancing the risk of well damage with the economic benefits of frac wastewater reuse can be difficult.  In conjunction with Environmental Daily Advisor, Anguil Aqua Systems has sponsored a detailed report which answers some of the tough questions about fracking and water use.   ...

  • Increased Support for Drinking Recycled Water

    As the discussion of recycled water in the media has increased — a significant change has occurred in people's opinions on drinking recycled water. There has been a convincing increase in support for drinking recycled water.The greater willingness for people to drink ...


    By IWA Publishing

  • Case Study - Water Resuse/Recycle

    A leading electronics company faced increasing water costs of both influent and effluent. They contracted Applied Water Solutions for a pilot study using some of the most advanced methods of water purification on effluent from a clean out of place (COP) system. The pilot provided proof of principle of the selected process to recycle some of the DI Water rinse, and justified a ROI of less than one ...

  • Israel leads world in water recycling

    Roughly 90 percent of the wastewater generated in Israel is reused, making it the leading nation in water recycling, according to an article in The Tower Magazine. It cited a report from Israel’s water authority. Although the precise amount varies, the nation is clearly the leader in water reuse. Spain recycles 20 percent of its wastewater, making it the second largest nation for water ...


    By Fluence Corporation

  • The Alamitos Barrier Recycled Water Project

    Groundwater pumping in the Los Alamitos, California area over the last century has caused groundwater levels to drop, allowing seawater to intrude into the local groundwater aquifer. To prevent additional infiltration by seawater, a coastline barrier of wells injecting fresh water has been in place since 1965. Until recently, imported potable drinking water was injected into the aquifer. However, ...

  • 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 ...

  • Rold Model Water Recycling Program

    ABSTRACTThe Viejas Band of Kumeyaay Indians, a federally recognized tribe, vested with authority by the U.S. Environmental Protection Agency (USEPA), form the Tribal Government to regulate all activities concerning water quality issues within the reservation boundaries. The Reservation has 400 non-transient residents and an average of 5,000 transient residents. The transient population visits the ...

  • 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

  • Comparing Evaporative technologies for the Recycling of produced Water

    Both multi-stage and MVR evaporators are capable of producing distilled quality water from produced water.  Distilled water quality ranges from 100 to 500 ppm TDS depending upon the initial TDS of the produced water and the level of concentration of bottoms (waste) obtained. Typical systems are capable of attaining final concentrations ranging from 270,000 ppm to 350,000 ppm TDS.  The ...


  • Addressing water scarcity through recycling and reuse

    While governments in water scarce regions are looking for ways to expand water recycling and reuse, they often have difficulty finding information on the policy options from which they might choose. The purpose of this white paper is to provide such a menu of policy options, drawing on examples from around the world. While this is only a representative sample and does not provide an exhaustive ...


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