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Composting — Portalpar|Sustainable development|Sustainable development.svgComposting is the aerobic decomposition of biodegradable organic matter, producing compost. (Or in a simpler form: Composting is the decaying of food, mostly vegetables or manure.) The… … Wikipedia
Diffuser (sewage) — An air diffuser or membrane diffuser is an aeration device typically in the shape of a disc, tube or plate, which is used to transfer air and with that oxygen into sewage or industrial wastewater. Oxygen is required by microorganisms/bacteria… … Wikipedia
Aerated static pile composting — Aerated Static Pile (ASP) composting, or tunnel composting systems include both passive and active methods. As the name implies, static piles are not turned, rotated, or otherwise manipulated during primary composting. Instead, the blended… … Wikipedia
Activated sludge — is a process dealing with the treatment of sewage and industrial wastewaters.cite book | author=Beychok, Milton R. | title=Aqueous Wastes from Petroleum and Petrochemical Plants| edition=1st Edition | publisher=John Wiley Sons Ltd | year=1967 |… … Wikipedia

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