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trickling bed

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См. также в других словарях:

  • 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

  • trickling filter — A bed of rocks covered with a microbial film that aerobically degrades organic waste during secondary sewage treatment …   Dictionary of microbiology

  • trickling filter — noun : an artificial bed of broken rock or other coarse material through which sewage or industrial wastes trickle after being sprayed on intermittently so that organic matter present is oxidized and removed by biological growths formed on the… …   Useful english dictionary

  • Reed bed — Reed beds are a natural habitat found in floodplains, waterlogged depressions and estuaries. Reed beds are part of a succession from young reed colonising open water or wet ground through a gradation of increasingly dry ground. As reed beds age,… …   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

  • Industrial wastewater treatment — covers the mechanisms and processes used to treat waters that have been contaminated in some way by anthropogenic industrial or commercial activities prior to its release into the environment or its re use.Most industries produce some wet waste… …   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

  • Biofilter — Biofiltration is a pollution control technique using living material to capture and biologically degrade process pollutants. Common uses include processing waste water, capturing harmful chemicals or silt from surface runoff, and microbiotic… …   Wikipedia

  • ballad — balladic /beuh lad ik/, adj. balladlike, adj. /bal euhd/, n. 1. any light, simple song, esp. one of sentimental or romantic character, having two or more stanzas all sung to the same melody. 2. a simple narrative poem of folk origin, composed in… …   Universalium

  • sewage system — Collection of pipes and mains, treatment works, and discharge lines (sewers) for the wastewater of a community. Early civilizations often built drainage systems in urban areas to handle storm runoff. The Romans constructed elaborate systems that… …   Universalium

  • биофильтр — — [http://www.eionet.europa.eu/gemet/alphabetic?langcode=en] EN trickling filter A system of secondary sewage treatment which is similar to self purification action of streams; it is more accurately a biological oxidizing bed; the effluent… …   Справочник технического переводчика

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