filter media supply Articles

  • 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

  • Dual-media filters, Fredrikstad waterworks, Norway

    Fredrikstad Waterworks in southeastern Norway has an annual water production of 15 mill. cubic metres and supplies the municipalities Fredrikstad and Hvaler. During autumn 2003 they have renovated their dual-media filters. After around 8 years of operation, the volume of filter media in the existing sand/anthracite-filters was significantly reduced resulting in poor filtering ...

  • Home of random biological filter media - Case Study

    Biomarble from warden biomedia range selected by wpl for their largest tertiary treatment plant provided for Yorkshire water’s Danesmoor site WPL were challenged with the task to design and manufacture the largest bespoke modular steel wastewater process solution (N-SAF) the company have ever supplied. The unit had to handle 50 l/sec FFT, almost twice the average, so something ...


    By Warden Biomedia

  • Pilot Testing Microfilters and Cloth-Media Filters for Lake Augmentation

    ABSTRACTMicrofiltration and cloth-media filtration were pilot tested for plant expansion and water supply augmentation purposes. The performance of the pilot units was assessed by evaluating key influent and effluent data, including suspended solids, turbidity, total phosphorous, hydraulic loading rate, flux, and chemical addition. Results showed that one of the cloth-media filters, and both of ...

  • Retro-Fit - Conversion of a Failed Media Filter to a Suspended Growth Aeration System case study

    This particular project involved the conversion of a failed media filter to a suspended growth aeration system. The project was managed by Mr. Hal Lewis, P. Eng. of Stantec Consulting Limited. Sani Tech Communal Systems was awarded the contract to design and construct the repair. Sani Tech retained the services of Mr. Robin Smith, P. Eng., of Robin Smith Engineering to provide the process design ...

  • Aquatech supplies demineralized water treatment plant in madagascar

    The Facility Ambatovy, located in Madagascar, is a world-class, large tonnage nickel project that is positioned to be among the world’s biggest lateritic nickel mines. It is a lifelong project with an annual design capacity of 60,000 metric tons of nickel and 5,600 metric tons of cobalt. The site is located approximately 50 miles east of the capital of Madagascar, Antananarivo, and ...

  • Expanding Reservoir Air Filters

    In all vented tanks, the rise and fall of fluid levels is offset by a corresponding volume of incoming and outgoing air. Keeping the incoming replacement air clean is essential for contamination control and thus the reliability of hydraulic systems. While targeting the system's reliability, JLM Systems Limited has developed the OilMiser™ Reservoir Aspirator (ORA) kit. This product represents a ...


    By JLM Systems Ltd

  • 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 ...

  • Green Sand Filters, Chile

    INTRODUCTION In August 2013, Pure Aqua, Inc. manufactured and supplied Green Sand Filters to a major company in Chile to lower the manganese and iron level in well water. The system came complete with tank, top mounted valves, and high quality green sand media. The system was designed to produce 24 GPM. Since the initial startup, ...


    By Pure Aqua, Inc.

  • Seawater reverse osmosis system for supplying potable water for airport in saudi arabia

    The Background Saudi Arabia General Authority of Civil Aviation (GACA) is responsible for constructing, managing, operating, and maintaining airports and air navigation infrastructure in Saudi Arabia. The city lacked adequate water production and distribution systems around the airport. GACA’s objective was to increase water production to meet projected growth in demand, and ...

  • World’s largest compressible media filtration plant eliminates combined sewer overflows, with potential for dry-weather use

    The City of Springfield, Ohio, recently opened its 100 MGD enhanced high-rate treatment facility, designed to treat and disinfect combined high-volume stormwater and wastewater flows generated by wet-weather conditions. Utilizing EPA-documented Compressible Media Filtration technology – FlexFilter™ from WesTech – the system can also provide tertiary filtration and disinfection ...


    By WesTech Engineering, Inc.

  • Beta ratios explained and applied to liquid filter selection

    Liquid Filter Beta Ratios: Absolute rated liquid filter selection is tied to the media micron rating, materials of construction, construction design, and particulate removal efficiency filter factor known as its Beta Ratio (Figures 1, and 2). Consider that Engineering and Purchasing usually see absolute rated liquid filter efficiencies from vendor data sheets and quotes listed at 99%, ...

  • Aquatech Supplies One of Most India's Largest Tertiary Treated Sewage Recycle Plants

    The Facility Rashtriya Chemical Fertilizers (RCF), a Government of India Undertaking located in Mumbai, is one of India’s largest Public Sector Undertakings (PSU) in manufacturing of Fertilizers and associated Chemicals. RCF is also one of the largest fertilizer and chemical company in Asia, and the leading producer of fertilizers in India. ...

  • Drinking water treatment, AFM replaces sand in sand filters

    Drinking Water Treatment by AFM, 30% - 80 improvement in sand filter performance Cryptosporidium problem and THM's eliminated. All sand filter will suffer to some degree from bacterial fouling. The alginates excreted by the bacteria cause coagulation of the sand grains which in turn leads to wormhole channeling of water through the filter bed. The worm holes provide a conduit for the ...


    By Dryden Aqua Ltd

  • Effect of active control of electric potential of filter medium on depth filtration

    The effect of active control of electric potential of filter medium on depth filtration was explored experimentally. Activated carbon particles were selected as the conductive filter medium. The filter medium potential was controlled with an external DC power supply. Kaolin particles were used as the model suspended solid. The activated carbon and kaolin had negative zeta potential around neutral ...


    By IWA Publishing

  • Effectiveness of oxidative filter materials for manganese removal from groundwater

    The experiments reported in this paper were conducted at a pilot plant consisting of filtration columns filled with oxidative filter materials. The installation was supplied with water containing manganese in concentrations ranging from 0.2 to 1.4 mg/L. The aim of the experiments was to determine the effectiveness of manganese removal on the three filter media as a function of their internal ...


    By IWA Publishing

  • Minimising Risks to Air Quality and Regulatory Compliance With Total Filter Management

    It has been shown in recent studies that as much as 25% of the total site operating budget (excluding raw material costs) for a typical medium-large dosage-form manufacturing facility will be spent on compliance measures for internal quality systems and external regulatory activities. (1) Market realities indicate that the pharmaceutical companies will need to address the overall cost of ...


    By GVS Filter Technology

  • BioLargo`s AOS Filter Wins `Technology Star Award` - New Technology Magazine -The First Word on Oil Patch Innovation

    Advanced disinfectant technology developer sets sights on oil and gas applications A small publicly-listed Santa Ana, Calif.–based company that is developing water purification and advanced disinfectant technologies, all using some form of iodine, sees one of its Edmonton-developed technologies as a way to clean up and even eliminate oilsands mining tailings ...


    By Biolargo, Inc.

  • Wpl Ltd Select Biomarble from Warden Biomedia Range for Motorway Services Replacement Effluent Treatment Project at Winchester - Case Study

    A motorway service area (MSA), situated on the M3 at Winchester, serves both sides of the M3 with two filing stations and amenity buildings with restaurants, cafes, toilets and shops plus a 40 bedroom lodge. When opened in 2000, WPL Ltd designed and installed a sewage treatment plant which managed the wastewater from the site. In 2008 the sewage treatment plant was identified as undersized due to ...


    By Warden Biomedia

  • Case Study - Wiggins Road Water Purification Works

    ASW Engineering, a supplier of water treatment systems in southern Africa, was awarded the contract by Umgeni Water to refurbish 12 twin-cell rapid gravity sand filters. The company’s initial assessment of the problem was that the sealing between the filter nozzle sleeves and the concrete panels, and the sealant used in between the precast slabs of the filter floor, had deteriorated due to ...


    By Cadar Ltd.

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