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  • 1environmental 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 …

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  • 2Sewage 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… …

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  • 3Hydrogen peroxide — IUPAC name …

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  • 4Coffee wastewater — The unpicked fruit of the coffee tree, known as the coffee cherry, must undergo a long process to make it ready for consumption. This process often entails the usage of massive amounts of water and the production of considerable amounts of both… …

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  • 5Industrial 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… …

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  • 6Glossary of environmental science — This is a glossary of environmental science.Environmental science is the study of interactions among physical, chemical, and biological components of the environment. Environmental science provides an integrated, quantitative, and… …

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  • 7Stabilization pond — technology sometimes also called facultative pond technology is a natural method for wastewater treatment. TechnologyStabilization ponds consist of shallow man made basins comprising a single or several series of anaerobic, facultative or… …

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  • 8Trickling 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… …

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  • 9Anaerobic digestion — and regenerative thermal oxidiser component of Lübeck mechanical biological treatment plant in Germany, 2007 …

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  • 10Tibet — Pour les articles homonymes, voir Tibet (homonymie). Tibet historique …

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