sewage treatment by activated sludge

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• 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

• activated-sludge method — ▪ sewage treatment       sewage treatment (sewage system) process in which sludge, the accumulated, bacteria rich deposits of settling tanks and basins, is seeded into incoming waste water and the mixture agitated for several hours in the… …   Universalium

• 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

• activated sludge process — noun : a sewage treatment procedure in which the decomposition of the raw sewage is hastened by the addition to it of biologically active sewage sludge …   Useful english dictionary

• activated sludge — (sluj) Solid matter or sediment composed of actively growing microorganisms that participate in the aerobic portion of a biological sewage treatment process. The microbes readily use dissolved organic substrates and transform them into additional …   Dictionary of microbiology

• Sludge — is the residual semi solid material left from industrial, water treatment, or wastewater treatment processes.When fresh sewage or wastewater is added to a settling tank, approximately 50% of the suspended solid matter will settle out in about an… …   Wikipedia

• 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

• sludge — /sluj/, n. 1. mud, mire, or ooze; slush. 2. a deposit of ooze at the bottom of a body of water. 3. any of various more or less mudlike deposits or mixtures. 4. the sediment in a steam boiler or water tank. 5. broken ice, as on the sea. 6. a… …   Universalium

• sludge — (sluj) A general term for the precipitated solid matter produced during water and sewage treatment; solid particles composed of organic matter and microorganisms that are involved in aerobic sewage treatment (activated sludge) …   Dictionary of microbiology

• 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

• List of waste water treatment technologies — The following page consist of a list of waste water treatment technologies: * Activated sludge systems [ [http://www.oost vlaanderen.be/docs/nl/gc/35447.%20afvalwaterzuivering%20op%20landbouwbedrijven.pdf Overview of activated sludge system with… …   Wikipedia