backwash sand filter Articles

  • Mining clarifier overflow

    Project Profile: Clarifier Overflow Water Polishing: PFD  Data: End User: US Energy Location: Crested  Butte, CO Commissioned: Spring, 2010 Units: (1) model STiR-50V (50 ft2/filter) Flow Rate: 300 gpm (0.5 Million gallons of water per day) ...


    By Filtra Systems

  • Blairlinnans WTW, Scottish Water, 91 MLD

    The Client Scottish Water is the UK's fourth largest water utility. They are responsible for the whole of Scotland and islands around the Scottish coast, including the major cities of Glasgow, Edinburgh and Aberdeen. The Client's Needs Scottish Water required a new water treatment works in the Glasgow area to meet revised water quality standards, particularly ...


  • Copper & molybdenum mining

    Project Profile:Componia Minera, de Collohuasi Data: End User: Compania Minera Dona Ines de Location: Collahuasi Commissioned: Iquique, Chile Units: September, 2005 (1) FDB-50P Flow Rate: Hydromation Deep Bed Filter Processs: 620 gpm (21,000 ...


    By Filtra Systems

  • Acid Mine Drain (AMD) treatment to achieve very low residual heavy metal concentrations

    Abstract Mount Emmons mine wastewater treatment plant currently treats on average around 450,000 gallons per day of acid mine drain (AMD) water collected into several collection ponds. The plant uses standard lime hydroxide precipitation process at pH 10.7 to precipitate heavy metals and remove AMD contaminants with the subsequent flocculation - dissolved air flotation (DAF) and sand ...

  • How industrial water filtration can improve efficiency and save you money

    Over the course of the past couple of decades, industrial water filtration has become one of the most important considerations for the average manufacturing facility in North America. These concerns have only increased as water supplies have dwindled and wastewater contamination standards have become more stringent. All of this has led to the need to choose the right industrial water filters and ...


    By Filtra Systems

  • Filtronics’ NSF Certified Electromedia sets the standard for water filtration industry

    The key to any water treatment system and its efficiency and effectiveness is its filtering media, or the sand or gravel that helps to remove pollutants and contaminants from a water source. Filtronics’ exclusive Electromedia is a permanent filtering media that is National Sanitation Foundation (NSF) ...


    By Filtronics, Incorporated

  • Update on Mt Pleasant WTP Incorporating the MIEX ® DOC Process and How it Compares With a Plant Operating in Enhanced Coagulation Mode

    Natural organic matter (NOM) is a major factor impacting on water treatment processes. NOM is a precursor of disinfectant by-products (DBP), a food source for regrowth of micro-organisms and makes downstream processes such as membrane filtration and activated carbon less efficient. Reducing NOM in conventional treatment plants can be achieved by using enhanced coagulation, whereby additional ...


    By IXOM Watercare

  • Micro Media Filtration Proving Effective in Produced Water Softening Systems

    Having an eff ective, durable pretreatment system in advance of ion exchange produced-water softening systems is the fi rst, most critical line of defense – ensuring smooth, more troublefree performance downstream. It’s especially true when dealing with today’s ion exchange technologies, which require TSS (total suspended solids) of 0.1-0.5 mg/L and turbidities of 0.1-1 NTU ...


    By Eco-Tec Inc.

  • Process Water Treatment – Challenges and Solutions

    Untitled Document Clean water is needed by chemical-process plants for a wide range of process-related and auxiliary uses. Likewise wide is the range of options available to the ...


  • Banham Zoo

    Banham Zoo in Norfolk has solved a long-standing problem with the water quality in its South African Fur Seal pool by adopting the latest technology – ordinarily used in commercial swimming pools.The 35-acre zoo attracts over 200,000 visitors per annum and a key attraction is the Fur Seal pool. It holds approximately 64,000 gallons of water, but due to the size of the Fur Seals (especially the ...

  • Scale removal - Case Study

    Water Cooling Towers Operate at Better Efficiency and Lower Maintenance Costs with KDF Water Filter Media "As Seen in Water Quality Products" At TowerKlean™ LLC... KDF Water Filter Media Help with Scale, Algae, Chlorine and Heavy Metal Removal from Water Scale... it's a vicious never-ending problem that can kill the overall efficiency of water-cooling systems or ...


    By KDF Fluid Treatment, Inc.

  • 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 ...


  • Understanding Crossflow Filtration

    There's a lot of attention being given to water availability and purity, with good reason. Obtaining enough water is a struggle in some areas. In others, water is tainted with contaminants. It is therefore predictable that regulations and economics will force careful water treatment and stress water re-use. Fortunately, there are water treatment methods that can help you meet the water quality ...


  • Methods of Water Purification

    This article is excerpted from 'Pure Water Handbook' published by Osmonics®, Inc. of Minnetonka, Minnesota USA and is printed with permission of Osmonics, Inc. Water treatment can be defined as any procedure or method used to alter the chemical composition or natural 'behavior' of a water supply. Water supplies are classified as either surface water or groundwater. The majority of public or ...

  • Advanced Filtration Media (AFM): Clean Water Market Analysis

    Executive Summary This report has been prepared by Entec to provide a market assessment of the application of AFM (Advanced Filtration Media) for potable water treatment. The work has been carried out on behalf of BREWEB, the Environmental Body of the Building Research Establishment and Dryden Aqua Limited, the developers of AFM. AFM is a high quality product that has been developed as ...

  • Landfill leachate treatment

    Landfills are categorized by regulations in three types: industrial, municipal, and hazardous. Individual landfills may be further differentiated by the types of waste which they accept. All landfills are required to be capped, usually occurring at the end of each day. The cap is typically 6-8” of soil. The cap reduces odor and loss due to wind. At the closing of the landfill, a permanent ...


    By WesTech Engineering, Inc.

  • Husky tucker lake project -- an aquatech sagd installation

    The Facility Husky Energy is a Canadian-based energy and energyrelated company headquartered in Calgary, Alberta. Husky’s operations can be divided into three distinct business segments: Upstream, Midstream and Refined Products. The Oil Sands (Upstream Segment) of northern Alberta are one of Husky’s long-term growth areas. Husky has more than 425,000 acres in the Athabasca, ...

  • Primary Drinking Water from Wastewater Effluent: Pilot Test Experience at the Miami Dade South District WWTP

    ABSTRACTThe Miami-Dade Water and Sewer Department (MDWASD) owns and operates the South District wastewater Treatment Plant in Goulds, Florida. This is a 225 mgd peak flowrate secondary oxygen activated sludge treatment facility that discharges effluent via deep injection wells. Based upon the detection of nitrogen species in the monitoring wells for the deep injection well system, MDWASD entered ...

  • What is a wastewater treatment system and how does it work?

    For industrial companies producing wastewater as part of it’s process, some type of wastewater treatment system is usually necessary to ensure safety precautions and discharge regulations are met. The most appropriate wastewater treatment system will help the facility avoid harming the environment, human health, and a facility’s process or products (especially if the wastewater ...


    By SAMCO Technologies, Inc.

  • Using Nanofiltration in Beverage Production

    The following article is based on a paper presented in August, 1990 at the 21st Annual Meeting of the Fine Particle Society in San Diego. Soft drink manufacturers, not to mention manufacturers of other beverage products, have always had a keen interest in the water that goes into their products. After all, it is the water that typically makes up 80%-90% of the product. In the past the water has ...

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