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  2. Water filter - Wikipedia

    en.wikipedia.org/wiki/Water_filter

    A water filter removes impurities by lowering contamination of water using a fine physical barrier, a chemical process, or a biological process. Filters cleanse water to different extents, for purposes such as: providing agricultural irrigation, accessible drinking water, public and private aquariums, and the safe use of ponds and swimming pools .

  3. History of water filters - Wikipedia

    en.wikipedia.org/wiki/History_of_water_filters

    History of water filters. The history of water filters can be traced to the earliest civilisations with written records. Water filters have been used throughout history to improve the safety and aesthetics of water intended to be used for drinking or bathing. In modern times, they are also widely used in industry and commerce.

  4. Sinc filter - Wikipedia

    en.wikipedia.org/wiki/Sinc_filter

    Sinc-in-time. Sinc-in-time is an ideal filter that removes all frequency components above a given cutoff frequency, without attenuating lower frequencies, and has linear phase response. It may thus be considered a brick-wall filter or rectangular filter. Its impulse response is a sinc function in the time domain :

  5. Point of use water filter - Wikipedia

    en.wikipedia.org/wiki/Point_of_use_water_filter

    Point of use water filters are used in individual houses or offices to provide filtration of potable water close to the point of consumption. [1] The related topic, Point of use water treatment describes full-scale water treatment options and technologies designed to serve communities when municipal water treatment fails or is unavailable.

  6. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water that is fit for specific purposes. Most water is purified and disinfected for human consumption ( drinking water ), but water purification may also be carried out for a variety of ...

  7. Ceramic water filter - Wikipedia

    en.wikipedia.org/wiki/Ceramic_water_filter

    Ceramic water filters ( CWF) are an inexpensive and effective type of water filter that rely on the small pore size of ceramic material to filter dirt, debris, and bacteria out of water. This makes them ideal for use in developing countries, [1] and portable ceramic filters are commonly used in backpacking. [2]

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