microsand ballasted clarification Articles

  • Ulpha WTW - Actiflo for Crypto and Mn Removal

    United Utilities Maximum flow 22037 m3/day The Client United Utilities are the 2nd largest water company in England and Wales, responsible for an area in the north west of the UK including major cities such as Manchester and Liverpool. The Client's Needs Ulpha WTW is located near Millom in Cumbria in the Lake ...


  • Evaluation of activated starch as an alternative to polyacrylamide polymers for drinking water flocculation

    Polyacrylamide polymers (PAM) are one of the most common water treatment chemicals used in clarification processes. Concerns have been raised with regards to the aquatic and human toxicity of acrylamide monomer. Greener polymers, produced using potato starch, were investigated at lab-scale as a potential non-toxic alternative to the use of PAM within a ballasted flocculation process ...


    By IWA Publishing

  • Hodder WTW - Actiflo for Cryptosporidium removal

    United Utilities 83-week Programme 112,000 m3/day Max Flow The Client United Utilities are the 2nd largest water company in England / Wales. They are responsible for an area in the north west of the UK, which includes major cities such as Manchester and Liverpool. The Client's Needs ...


  • Sutton Hall WTW - Actiflo for Crytpo and Mn removal

    United Utilities Maximum flow 127 000 m3/day The Client United Utilities are the 2nd largest water company in England and Wales, responsible for an area in the north west of the UK including major cities such as Manchester and Liverpool. The Client's Needs Sutton Hall is one of the largest treatment works ...


  • Loch Turret water treatment works

    Actiflo® high rate sand ballasted clarification & multiflo lamella sludge thickening plant The Loch Turret upgrade was the largest drinking water project for Scottish Water in the latest investment period. The scheme was taken over in 2010 and is delivers approx 85 million litres of drinking water per day The Client Scottish Water is the UK's fourth largest ...


  • The Role of Activated Sludge Solids in an Actiflo® System

    ABSTRACTThis research was conducted using jar tests to investigate the impact of adding activated sludge solids to the Actiflo® process, a high-rate clarification (HRC) system, to increase BOD removal in HRC systems treating raw wastewater during periods of high wet-weather flows (WWF). A study of dosages and impacts of ferric sulfate, polymer, microsand and activated sludge on performance of the ...

  • Fresh Ideas for Fresh Water: Okeechobee Utility Authority`s Surface Water Treatment PLant Uses Innovative Technology to Achieve High Quality Drinking Water from Lake Okeechobee

    ABSTRACTThe goal of this project was to expand Okeechobee Utility Authority’s (OUA) Surface Water Treatment Plant while meeting the challenges of limited space, raw water quality, available capital, and new EPA regulations. The preliminary engineering, consisting of site visits, pilot studies, and research, resulted in an innovative design for surface water treatment. This design combines several ...

  • Side By Side By Side: The Evaluation of Three High Rate Process Technologies for Wet Weather Treatment

    ABSTRACTMost large combined sewer communities face significant financial investment to address wet weather compliance issues. Innovative, cost-effective methods of dealing with wet weather flows is a must to prevent spiraling rate increases for rate payers. High rate clarification and high rate filtration systems are becoming the technology of choice for treating wet weather flows. The City of ...

  • New treatment plant to feature ceramic membranes

    The Parker Water and Sanitation District (PWSD) in Colorado has contracted for a membrane treatment system for its Rueter-Hess water treatment plant project. The new plant will treat water from the Rueter-Hess Reservoir (RHR), which is being built three miles southwest of downtown Parker on Newlin Gulch, which is a tributary drainage of Cherry Creek. The reservoir and associated treatment plan ...


    By PennWell Corporation

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