filter beds

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• Marlborough Brook Filter Beds — U.S. National Register of Historic Places …   Wikipedia

• Middlesex Filter Beds Weir — The natural flow continues over the head of the weir, Hackney Cut continues the navigation to the right. The island between, contains a nature reserve in the former filter beds …   Wikipedia

• Filter (aquarium) — Aquarium filters are critical components of both freshwater and marine aquaria.cite book |last=Riehl |first=Rüdiger. Editor. |coauthors=Baensch, HA |title=Aquarium Atlas |year=1996. 5th Edn. |publisher=Tetra Press |location=Germany |isbn=3 88244… …   Wikipedia

• filter — fil|ter1 [ fıltər ] noun count ** ▸ 1 for removing something ▸ 2 on camera ▸ 3 on computer ▸ 4 filter tip ▸ 5 traffic light 1. ) an object or piece of equipment that allows you to remove substances that are not wanted from a liquid or gas: a… …   Usage of the words and phrases in modern English

• filter out — phrasal verb [transitive] Word forms filter out : present tense I/you/we/they filter out he/she/it filters out present participle filtering out past tense filtered out past participle filtered out 1) to remove something that is not wanted using a …   English dictionary

• 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

• Trickling filter — A trickling filter consists of a fixed bed of rocks, gravel, slag, polyurethane foam, sphagnum peat moss, or plastic media over which sewage or other wastewater flows downward and causes a layer or film of microbial slime to grow, covering the… …   Wikipedia

• Sewage treatment — The objective of sewage treatment is to produce a disposable effluent without causing harm to the surrounding environment, and also prevent pollution.[1] Sewage treatment, or domestic wastewater treatment, is the process of removing contaminants… …   Wikipedia

• Lea Bridge — For the place in Derbyshire, see Lea Bridge, Derbyshire. Coordinates: 51°33′44″N 0°02′44″W / 51.5621°N 0.0456°W / 51.5621; 0.0456 …   Wikipedia

• Hampton, London — infobox UK place country = England static static image caption = The Thames at Hampton map type = Greater London region= London population= official name= Hampton latitude= 51.4220 longitude= 0.3667 london borough= Richmond constituency… …   Wikipedia

• West Pennine Moors — The West Pennine Moors is an area of approximately 90 square miles of moorland and reservoir scenery, located in Lancashire, between the towns of Chorley, Bolton, Horwich, Ramsbottom, Haslingden, Oswaldtwistle and Darwen. Notable architectural… …   Wikipedia