percolation filter

См. также в других словарях:

• Percolation — Per co*la tion, n. [L. percolatio.] The act or process of percolating, or filtering; filtration; straining. Specifically (Pharm.), the process of exhausting the virtues of a powdered drug by letting a liquid filter slowly through it. [1913… …   The Collaborative International Dictionary of English

• percolation — 1610s, from L. percolationem (nom. percolatio), noun of action from pp. stem of percolare to strain through, filter, from per through (see PER (Cf. per)) + colare to strain, from colum a strainer, of unknown origin …   Etymology dictionary

• Percolation — In physics, chemistry and materials science, percolation concerns also the movement and filtering of fluids through porous materials. Examples include the movement of solvents through filter paper (chromatography) and the movement of petroleum… …   Wikipedia

• percolation — percolate ► VERB 1) filter through a porous surface or substance. 2) (of information or ideas) spread gradually through a group of people. 3) prepare (coffee) in a percolator. DERIVATIVES percolation noun. ORIGIN Latin percolare strain through …   English terms dictionary

• 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

• 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

• Siruthuli — is a NGO based in Coimbatore India which works to rejuvenate the water sources in the city of Coimbatore.Siruthuli (which means small drop in Tamil) has been very successful in reclaiming most of the urban water bodies in Coimbatore.With the… …   Wikipedia

• WATSON — UNITED KINGDOM (see also List of Individuals) 7.3.1860 Dundee/UK 23.11.1946 Birmingham/UK John Duncan Watson was educated at the High School of Dundee and then served a pupilage as a civil engineer with his father, who at the time was waterworks… …   Hydraulicians in Europe 1800-2000

• Septic drain field — Septic drain fields, also called leach fields or leach drains are used to remove contaminants and impurities from the liquid that emerges from the septic tank. A septic tank, the septic drain field, and the associated piping compose a complete… …   Wikipedia

• French drain — A French drain, drain tile, or land drain is a ditch filled with gravel or rock that redirects surface and ground water away from an area. French drains are common drainage systems, primarily used to prevent ground and surface water from… …   Wikipedia

• filtration — noun 1. the process whereby fluids pass through a filter or a filtering medium • Derivationally related forms: ↑filter • Hypernyms: ↑natural process, ↑natural action, ↑action, ↑activity • Hyponyms: ↑ …   Useful english dictionary