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  2. Warsaw Water Filters - Wikipedia

    en.wikipedia.org/wiki/Warsaw_Water_Filters

    Warsaw Water Filters. Coordinates: 52°13′13″N 20°59′42″E. Lindley's Filters. Warsaw Water Filters, also known as Lindley's Filters (Polish – "Filtry Lindleya"), is one of three Warsaw waterworks, and is located in Ochota between Koszykowa, Krzywickiego, Filtrowa and Raszyńska streets. The waterworks was finished in 1886 using ...

  3. Sand filter - Wikipedia

    en.wikipedia.org/wiki/Sand_filter

    Sand filters are used as a step in the water treatment process of water purification . There are three main types; rapid (gravity) sand filters, upward flow sand filters and slow sand filters. All three methods are used extensively in the water industry throughout the world. The first two require the use of flocculant chemicals to work ...

  4. Cloth filter - Wikipedia

    en.wikipedia.org/wiki/Cloth_filter

    The woman on the right is putting a sari filter onto a water-collecting pot (or kalash) to filter water for drinking. A cloth filter is a simple and cost-effective appropriate technology method for reducing the contamination of drinking water, developed for use mainly in Bangladesh. Water collected in this way has a greatly reduced pathogen count.

  5. Nut shell filter - Wikipedia

    en.wikipedia.org/wiki/Nut_shell_filter

    A nut shell filter is a device to remove oil from water. In the oil and gas industry , the term walnut shell filter is common since black walnuts are most often used. Typically nut shell filters are designed for loadings under 100 mg/L oil and 100 mg/L suspended solids and operate with 90–95% removal efficiency. [1]

  6. Consumer Council for Water - Wikipedia

    en.wikipedia.org/wiki/Consumer_Council_for_Water

    The Consumer Council for Water (CCW) is a non-departmental public body whose sponsor department is Defra. CCW is independent of both the regulator, Ofwat, and the water companies. CCW represents the interests of water and sewerage consumers in England and Wales. The organisation also provides impartial advice and advocacy for aggrieved ...

  7. New York City water supply system - Wikipedia

    en.wikipedia.org/wiki/New_York_City_water_supply...

    New York City water supply system. in 1849, part of the Old Croton Aqueduct, the city's first water supply system. A combination of aqueducts, reservoirs, and tunnels supplies fresh water to New York City. With three major water systems ( Croton, Catskill, and Delaware) stretching up to 125 miles (201 km) away from the city, its water supply ...

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