fluoride removal filter Articles

  • The Case Against Fluoride - Book Review

    In depth review of the book "The Case Against Fluoride" with some solid evidence that fluoride added to drinking water is potentially dangerous to our health. You’ll find claims that fluoride is a product of the fertilizer industry and considered hazardous waste, it can weaken bones and may cause bone cancer, it affects the thyroid gland and may adversely affect brain development in ...


    By The Water Exchange

  • Fluoride removal from drinking water in Senegal: laboratory and pilot experimentation on bone char-based treatment

    In Senegal there are four regions where fluoride concentration in drinking water exceeds the World Health Organization guide value of 1.5 mg/L. This generates permanent damages to the teeth (dental fluorosis) and to the skeleton (skeletal fluorosis). A safe, efficient, simple and low-cost effective defluoridation technique is not available yet and needs to be developed in order to prevent the ...


    By IWA Publishing

  • Child-education program for the reduction of health risks due to fluoride in water sources in the Chiang Mai Basin, Thailand

    Groundwater is the major source of drinking water in Lamphun Province in the Chiang Mai Basin, Thailand. However, groundwater contains high fluoride up to 16 mg F/L, which has caused dental and skeletal fluorosis. Although Thai Government installed RO membrane plants for the removal of fluoride from groundwater; and delivers RO-filtered bottled water that contains less fluoride than the Thai ...


    By IWA Publishing

  • Water filters fact sheet

    Why do people use water filters? Water filters are used to upgrade the quality, taste and appearance of water in the home. Water filters can also be used to eliminate concerns about contaminants and other potential health hazards in tap water. What do water filters do? Water filters eliminate a number of common water problems in the home, ...


    By Kinetico International

  • Particulate matter, halogen and aerosols - Case Study

    Example: Production of anodes for aluminium smelters as well as electronic industry (TFT-LCD) Similar tasks: Carbon and graphite industry, smelting of aluminium, coating of metals An anode producer has several ring furnaces to stabilise the anodes by carbonization for later processing in a melting bath. The hot exhaust gases pass through double walls in between the anodes where the gases ...

  • Metal finishing - Columbia manufacturing company - case study

    Application Columbia Manufacturing Company of Westfield, Massachusetts began producing bicycles in 1877. The company, while still producing bicycles, transitioned its core product line to institutional furniture with chrome plated bases made from tubular steel. Large amounts of potable water were required for the old plating system. The company was using 180,000 gallons of potable water a ...


  • Phosphate Fertilizer Plants Industry - Pollution Prevention Guidelines

    Introduction Pollution Prevention Guidelines to provide technical advice and guidance to staff and consultants involved in pollution-related projects. The guidelines represent state-of-the-art thinking on how to reduce pollution emissions from the production process. In many cases, the guidelines provide numerical targets for reducing pollution, as well as maximum ...


    By The World Bank

  • Breakthrough studies with mono-, binary- and ternary-ion systems comprised of Fe(II), F and As(III) using river sand packed columns for groundwater treatment

    Groundwater in Assam, India, contains excessive amounts of arsenic (As(III)), fluoride (F−) and iron (Fe(II)). The rural and semi-urban population of Assam uses indigenous iron filters fabricated using processed sand (PS) as one of the chief constituents to reduce Fe(II) concentration; however, no efforts have been made to reduce As(III) or F− concentrations before use. ...


    By IWA Publishing

  • Case study - Wet electrostatic precipitators offer cost-effective solution for HZL

    An array of complex air pollution issues places the metallurgical industry among the largest potential sources of pollutants, and one of the most tightly regulated industrial sectors. One fully integrated, nonferrous metal producer in India, however, is demonstrating that a company with a determined commitment to environmental protection, energy efficiency and sustainability can succeed in ...


    By Beltran Technologies, Inc.

  • Case study: KLORIGEN™ system performance

    Des Moines Water Works (DMWW) plays a key role in providing the city of Des Moines and other communities in central Iowa with a safe, clean and healthy water supply. The DMWW operates two water treatment plants in central Iowa, one on Fleur Drive in Des Moines and the second one at Maffitt Reservoir, located southwest of the metropolitan area. Des Moines Water Works is an independently operated ...

  • Glass Manufacturing Industry - Pollution Prevention Guidelines

    Introduction Pollution Prevention Guidelines to provide technical advice and guidance to staff and consultants involved in pollution-related projects. The guidelines represent state-of-the-art thinking on how to reduce pollution emissions from the production process. In many cases, the guidelines provide numerical targets for reducing pollution, as well as maximum ...


    By The World Bank

  • Zero Waste to Landfill Goal: Portland Aluminium

     Portland Aluminium has achieved a significant reduction in the amount of waste going to landfill. Although driven primarily by business needs including the pursuit of efficiencies, waste reduction has been achieved by evaluating processes, gaining the commitment of its workforce and combining these efforts with both cleaner production and waste minimisation concepts. ...


  • Advanced WESP designs assure superior gas cleaning performance

    Nowadays, many industries are facing formidable environmental challenges and there is a growing need for effective, economical gas cleaning and air pollution control equipment. Michael Beltran of Beltran Technologies, Inc. reports on a renewed interest in high-efficiency wet electrostatic precipitators (WESPs) and discusses their importance for controlling sulphuric acid mists and other ...


    By Beltran Technologies, Inc.

  • Reverse Osmosis: How Does It Figure Into a Dialysis Water System?

    Better than 95% of all dialysis centers use water purification equipment to purify water for dialysis. The centerpiece of these water purification systems has become reverse osmosis. In conjunction with sound pretreatment, RO has proven itself to be the safest, most reliable, and most economical method of purifying water for dialysis. Water plays an important, life-sustaining role for dialysis ...

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