activated sludge volume index

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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

• Living machines — are a form of biological wastewater treatment designed to mimic the cleansing functions of wetlands. They are intensive bioremediation systems that can also produce beneficial by products such as methane gas, edible and ornamental plants, and… …   Wikipedia

• Aerobic granulation — The biological treatment of wastewater in the waste water treatment plant often accomplished by means of the application of conventional activated sludge systems. These systems generally require large surface areas for implantation of the… …   Wikipedia

• 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

• agricultural technology — Introduction       application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation       Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …   Universalium

• Aerated lagoon — An aerated lagoon or aerated basin is a holding and/or treatment pond provided with artificial aeration to promote the biological oxidation of wastewaters. [cite book |author=Middlebrooks, E.J., et al|title=Wastewater Stabilization Lagoon Design …   Wikipedia

• 2000s energy crisis — This article is about the causes and analysis of the relatively high oil prices of the 2000s. For discussion of the effects of the crisis, see Effects of the 2000s energy crisis. For a chronology of oil prices during this time, see 2003 to 2011… …   Wikipedia

• Oil refinery — Anacortes Refinery (Tesoro), on the north end of March Point southeast of Anacortes, Washington An oil refinery or petroleum refinery is an industrial process plant where crude oil is processed and refined into more useful petroleum products,… …   Wikipedia

• Ethoxylation — is an industrial process in which ethylene oxide is added to alcohols and phenols to give surfactants. The invention of the process is attributed to Schöller and Wittwer at I.G. Farben industrie.[1] Contents 1 Production 1.1 PEGylation …   Wikipedia

• Biochemical oxygen demand — or Biological Oxygen Demand (BOD) is a chemical procedure for determining how fast biological organisms use up oxygen in a body of water. It is used in water quality management and assessment, ecology and environmental science. BOD is not an… …   Wikipedia

• Hydrogen peroxide — IUPAC name …   Wikipedia