filter beds
1Marlborough Brook Filter Beds — U.S. National Register of Historic Places …
2Middlesex 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 …
3Filter (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… …
4filter — 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… …
5filter 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 …
6Slow 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… …
7Trickling 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… …
8Sewage 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… …
9Lea 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 …
10Hampton, 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… …
