- sand filters
- Макаров: песчаные фильтры
Универсальный англо-русский словарь. Академик.ру. 2011.
sand filters
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Sand filter — Sand filters are used for water purification. There are three main types; # rapid (gravity) sand filters # upflow sand filters # slow sand filters All three methods are used extensively in the water industry throughout the world. The first two… … Wikipedia
Sand — For other uses, see Sand (disambiguation). Close up of sand from the Gobi Desert, Mongolia, showing a surface area of 1 square centimetres … Wikipedia
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
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
engine air filters — Filters designed to prevent induction of dust and sand into the engine to prevent undue engine wear … Aviation dictionary
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
Kalkaska Sand — is the official soil of the U.S. state of Michigan.Kalkaska Sand was identified in 1927 and named after Kalkaska County located in the northern Lower Peninsula of Michigan. This soil is a multi layer soil composed of humus, light sand, dark sand … Wikipedia
Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… … Wikipedia
environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations … Universalium
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
Media filter — Peat Sand Filter in United States. The filter treats stormwater runoff from a residential area. Stormwater from streets is first routed to a small detention basin (rear of photo, behind berm), which removes coarse sediment. After filtration an… … Wikipedia
