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- Slow_sand_filter abstract "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 length and breadth of the tanks are determined by the flow rate desired by the filters, which typically have a loading rate of 0.1 to 0.2 metres per hour (or cubic metres per square metre per hour).Slow sand filters differ from all other filters used to treat drinking water in that they work by using a complex biological film that grows naturally on the surface of the sand. The sand itself does not perform any filtration function but simply acts as a substrate.Although they are often the preferred technology in many developing countries because of their low energy requirements and robust performance, they are also used to treat water in some of the most developed countries, such as the UK, where they are used to treat water supplied to London. Slow sand filters now are also being tested for pathogen control of nutrient solutions in hydroponic systems.".
- Slow_sand_filter thumbnail Lindley-filtr-powolny.jpg?width=300.
- Slow_sand_filter wikiPageExternalLink arquivo.php?codArquivo=205.
- Slow_sand_filter wikiPageExternalLink arquivo.php?codArquivo=206.
- Slow_sand_filter wikiPageExternalLink arquivo.php?codArquivo=207.
- Slow_sand_filter wikiPageExternalLink arquivo.php?codArquivo=208.
- Slow_sand_filter wikiPageExternalLink arquivo.php?codArquivo=209.
- Slow_sand_filter wikiPageExternalLink slow_sand_filter.htm.
- Slow_sand_filter wikiPageExternalLink water.
- Slow_sand_filter wikiPageExternalLink swtrsms.pdf.
- Slow_sand_filter wikiPageExternalLink slow_sand_filter.htm.
- Slow_sand_filter wikiPageExternalLink 11-WATER.pdf.
- Slow_sand_filter wikiPageExternalLink index.html.
- Slow_sand_filter wikiPageID "1194140".
- Slow_sand_filter wikiPageRevisionID "590587560".
- Slow_sand_filter hasPhotoCollection Slow_sand_filter.
- Slow_sand_filter subject Category:Appropriate_technology.
- Slow_sand_filter subject Category:DIY_culture.
- Slow_sand_filter subject Category:Environmental_soil_science.
- Slow_sand_filter subject Category:Water_filters.
- Slow_sand_filter type Artifact100021939.
- Slow_sand_filter type Device103183080.
- Slow_sand_filter type Filter103339643.
- Slow_sand_filter type Instrumentality103575240.
- Slow_sand_filter type Object100002684.
- Slow_sand_filter type PhysicalEntity100001930.
- Slow_sand_filter type WaterFilter104559620.
- Slow_sand_filter type WaterFilters.
- Slow_sand_filter type Whole100003553.
- Slow_sand_filter comment "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.".
- Slow_sand_filter label "Filtr powolny".
- Slow_sand_filter label "Slow sand filter".
- Slow_sand_filter label "Медленные фильтры".
- Slow_sand_filter label "緩速濾過".
- Slow_sand_filter sameAs 緩速濾過.
- Slow_sand_filter sameAs Filtr_powolny.
- Slow_sand_filter sameAs m.04g79y.
- Slow_sand_filter sameAs Q2608039.
- Slow_sand_filter sameAs Q2608039.
- Slow_sand_filter sameAs Slow_sand_filter.
- Slow_sand_filter wasDerivedFrom Slow_sand_filter?oldid=590587560.
- Slow_sand_filter depiction Lindley-filtr-powolny.jpg.
- Slow_sand_filter isPrimaryTopicOf Slow_sand_filter.
