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slow sand filtration

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  • Slow sand filter — Slow sand filters are used in water purification for treating raw water to produce a potable product. They are typically 1 to 2 metres deep, can be rectangular or cylindrical in cross section and are used primarily to treat surface water. The… …   Wikipedia

  • McMillan Sand Filtration Site — The District of Columbia government is considering redevelopment plans for the McMillan Park and sand filtration site which is no longer used for water treatment. McMillan Park and Sand Filtration Site is a twenty five acre green space and… …   Wikipedia

  • Filtration — This article is about operation of solid fluid separation. For the mathematical concept, see filtration (mathematics). For the equipment used, see Filter (disambiguation). For filtration used in winemaking, see Filtration (wine). Diagram of… …   Wikipedia

  • Rapid sand filter — The rapid sand filter or rapid gravity filter is a type of filter used in water purification and is commonly used in municipal water treatment facilities. Rapid sand filters use relatively coarse sand and other granular media to remove particles… …   Wikipedia

  • BioSand Filter — BioSand Water Filters are a technological adaptation of the centuries old slow sand filtration process. While implementations exist in many different sizes and varieties, the most common design is intended for use in rural homes where naturally… …   Wikipedia

  • water-supply system — Facilities for the collection, treatment, storage, and distribution of water. Ancient systems included wells, storage reservoirs, canals and aqueducts, and water distribution systems. Highly advanced systems appeared с 2500 BC and reached their… …   Universalium

  • Blue Future Filters Inc — [http://www.bluefuturefilters.com Blue Future Filters Inc.] is an American water filter company that markets non chemical and low tech drinking water systems that are economical, efficient, appropriate, and available to a wide variety of… …   Wikipedia

  • Antwerp Water Works — The Antwerp Water Works (Dutch: Antwerpse Water Werken) or AWW produces water for the city of Antwerp (Belgium) and its surroundings. The AWW has a yearly production of 150 million m3 and a revenue of 100 million euro.HistoryBetween 1832 and 1892 …   Wikipedia

  • KIRKWOOD — UNITED KINGDOM (see also List of Individuals) 27.3.1807 Edinburgh/UK 22.4.1877 Brooklyn NY/USA James Pugh Kirkwood was apprenticed at the age of 14 to a land surveyor and later became acquainted with engineering. He sailed in 1832 to America and… …   Hydraulicians in Europe 1800-2000

  • BSF — could mean * Bean Scripting Framework in relation to Java programming language * Bibliothécaires Sans Frontières a French charitable organisation * Bible Scientific Foreknowledge A belief that verses in the Bible have predicted modern technology… …   Wikipedia

  • James Simpson (engineer) — Infobox Engineer image width = 150px caption = James Simpson name = James Simpson nationality = British birth date = 1799 birth place = death date = 1869 death place = education = spouse = parents = children = discipline = civil engineer… …   Wikipedia

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