water mixing Articles

  • Water mixing in waste lagoons

    Man-made lagoons have been used worldwide for the treatment of domestic and industrial wastewater, it seems, forever. All waste lagoons were first designed and thoughtfully planned considering their locations, soil makeup, and waste reduction processes prior to being implemented. The biological process of organic waste reduction is always a consideration of waste lagoon designs. There are three ...


    By Reliant Water Technologies

  • Oil and water don`t mix

    Small spots of motor oil on your driveway look tacky enough. Leaks of hydraulic oil from the hydro turbine of a big pumped-storage plant are not only more noticeable, but they also could end up in the facility's sump or in its reservoir, as well. At the Blenheim-Gilboa Pumped Storage Power Project in New York's Catskill Mountains, there's another reason leaks are unacceptable. The New York Power ...


    By Abanaki Corporation

  • Compost in the mix for storm water management

    Bioretention areas, also known as rain gardens, are increasingly being used to capture and treat storm water runoff from impervious surfaces such as roofs, sidewalks and parking lots. These landscaped areas often feature native plants installed in an engineered soil mixture that includes compost. “Bioretention areas or rain gardens are an attractive storm water Best Management Practice (BMP) ...


    By BioCycle Magazine

  • Ready, set... mix: water re-use and its role in concrete mixing

    Water is a key element to the concrete ready-mix manufacturing process. From mixing new concrete to cleaning out trucks, high volumes of water are in demand. To stay ahead, many operations, large and small, are prepared to re-evaluate their process to find opportunities for water re-use. A filter press is an effective piece of equipment for concrete water recycling. It separates ...


    By M.W. Watermark LLC

  • Mixed oxidant technology treats water in Rwanda01

    Plagued by a legacy of civil war, ethnic genocide and the HIV/AIDS epidemic, many rural communities in Rwanda lack access to adequate drinking water. Although many inhabitants purify water by boiling, this time-consuming and energy-intensive practice is impractical for most. A water and power utility provides drinking water to the capital, Kigali City, and all urban centers of Rwanda, while rural ...

  • Cavitation leads to perfect mixes

    Development of accurate classification of cavitation types, as well as any classification, has to be based on a choice of general summary classification signs. For example, it can be different by constructive signs of work parts, by character of a course of process, by cavities types and other general classification signs. In present time distinguish the following types of cavitation: static, ...

  • Effects of mixing on chloramination process

    According to a recent study more than 90 percent of water treatment plants utilizing chloramination for distribution system residuals indicate a certain level of dissatisfaction toward the process performance. One factor that may lead to such dissatisfaction is the inadequacy of mixing when ammonia is added to chlorinated water. If mixing is not instantaneous and uniform, the actual chlorine to ...


    By IWA Publishing

  • Cavitation leads to perfect mixes

    Development of accurate classification of cavitation types, as well as any classification, has to be based on a choice of general summary classification signs. For example, it can be different by constructive signs of work parts, by character of a course of process, by cavities types and other general classification signs. In present time distinguish the following types of cavitation: static, ...

  • The Right Mix for Clean Air

    Reducing air pollution is an increasingly important topic all around the world. Many governments—also in developing countries—set new limits for emissions such as nitrogen oxides in flue gas. Sulzer offers advanced mixing technology for flue gas cleaning. The installation in a large power plant shows that these high-performance mixers can cope with the most difficult requirements. ...


    By Sulzer Management Ltd

  • Spoil, rubble and a soil-tar mix

    National Grid and Wales and West Utilities recently completed their first joint remediation project at the Aberaman Gasworks following the sale of the Wales and south west of England gas network in 2005. Here Scott Lewis from National Grid and Ashley Griffiths from Wales and West Utilities explain the challenges and processes. The project was undertaken using a stabilisation and solidification ...


  • Making a business case for mixed oxidants

    FOR YEARS, Prestonsburg, Ky., treated its water with chlorine gas stored on-site in several 1-ton cylinders. Several times a year, a box truck or open trailer would drive through town to deliver chlorine gas cylinders to the treatment plant. The 3.5-mgd facility lies in a residential area next to a middle school and a quarter mile from a nursing home, so transporting and storing the hazardous ...

  • In-situ stabilization using Shallow Soil Mixing and Deep Soil Mixing

    Of the currently emerging technologies for site remediation, one of the most attractive and economical is in-situ stabilization and/or in-situ fixation of contaminated soils by Shallow Soil Mixing (SSM) or Deep Soil Mixing (DSM). Actually, the soil mixing process is not new. It has been in use as a geotechnical construction process for over two decades. However, its use as a treatment for ...


    By Geo-Con, Inc.

  • Shallow Soil Mixing - a case history

    Abstract Shallow Soil Mixing (SSM) is a sister technology to Deep Soil Mixing (DSM) developed to more economically improve soils within ten meters of the surface. SSM was recently utilized to provide a foundation for large effluent storage tanks as well as to contain foundation soils in the event of liquefaction from an earthquake. Two large storage tanks were required to be built ...


    By Geo-Con, Inc.

  • Mixing of Drying Air: Increasing the Absorbency

    High-quality tissue paper is today produced using TAD (through-air-drying) technology, which is widely established as the most efficient drying method to increase bulk and softness in commercial tissue production. In the TAD process, it is essential to ensure uniform temperature distribution in the stream of drying air in order to achieve superior quality in terms of the softness and absorption ...


  • Cavitation reactors provide perfect mixing

    Operations of cavitation reactors are based on activation of ultrasonic cavitation in the thin layer, processed liquid pumped over through the reactor as a result is formed stable dispersion of mixed components. On an entry of reactors, liquid is supplying and it has the greatest volume in a received emulsion. Through the second entry is supplying liquid component. Both entry fittings are located ...

  • Mixing at double-Tee junctions with unequal pipe sizes in water distribution systems

    Pipe flow mixing with various solute concentrations and flow rates at pipe junctions is investigated. The degree of mixing affects contaminant spread in a water distribution system, and many studies have focused on mixing at the cross junctions; however, only a few have focused on double-Tee junctions of unequal pipe diameters. To investigate the solute mixing at such junctions, a series of ...


    By IWA Publishing

  • Study of hydraulics and mixing in roof tanks used in intermittent water supply

    Roof tanks are common in low and middle income countries, due to the intermittent water supply. Their hydraulic and water mixing behaviour has not been studied. This paper presents the results of a study on mixing and water demand in roof tanks, based on physical and numerical models. Tracer tests were carried out on a real scale transparent wall laboratory model of a roof tank, and a ...


    By IWA Publishing

  • Mixers and Flowmakers: Mixing mine water precipitate from a Tin Mine in the UK

    Landia (UK) Ltd. was awarded a contract to provide the pre-reaction chambers and sludge holding tanks at Wheal Jane Mine Water Treatment Plant, Cornwall with a total number of 7 submersible mixers. Working conditions are very harsh on this plant where the mixers will be homogenizing sludges in the process of purifying a heavily contaminated industrial effluent. The mixers were supplied in ...


    By Landia

  • A clinoptilolite-PDMS mixed-matrix membrane for high temperature water softening

    A mixed-matrix membrane composed of polydimethylsiloxane (PDMS) as the continuous phase and clinoptilolite, a naturally occurring zeolite, as the active phase has been used to decrease the conductivity of water by more than 80% across the membrane. Testing was carried out using a cross-flow configuration at temperatures as high as 160 °C using a constant transmembrane pressure of 8 bar. The ...


    By IWA Publishing

  • Oil and Water Don’t Mix – But Can They Co-Exist? - A GLOBE-Net Editorial

    Real progress is being made to reduce the environmental impacts of oil sands activities. But that message is being lost in the flood of bad press about contamination of adjacent waterways and the concerns about those ugly tailings ponds. Oil and water do not mix. But can they co-exist? GLOBE-Net, September 1, 2010 - August has not been a good month for the Alberta oil sands industry. The tidal ...


    By GLOBE SERIES

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