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• Aeration — is the process by which air is circulated through, mixed with or dissolved in a liquid or substance.Methods of aeration of liquidsAeration of liquids (usually water) is achieved by: * passing the liquid through air by means of fountains, cascades …   Wikipedia

• Aeration Turbine — Aeration Turbines are designed to aerate and mix fluids industrially. They are foremost used in brewing, pond aeration and sewage treatment plants. Aeration Turbines are designed for mixing gases, usually air, with a liquid, usually water. They… …   Wikipedia

• Lake aeration — Pond aeration or lake aeration is the process of increasing the oxygen content of the water. This is often required in ponds that suffer from anoxic conditions, usually caused by adjacent human activities. This can be achieved through the… …   Wikipedia

• Bakki shower — Bakki showers are a type of trickle filtration. Contents 1 Origins 2 Advantages 3 Filter media choices 4 External links 5 …   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

• 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

• Membrane bioreactor — (MBR) is the combination of a membrane process like microfiltration or ultrafiltration with a suspended growth bioreactor, and is now widely used for municipal and industrial wastewater treatment with plant sizes up to 80,000 population… …   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

• Wine accessory — A Wine accessory is generally any equipment that may be used in the storing or serving of wine. Wine accessories include many items such as wine glasses, corkscrews, and wine racks. Contents 1 Wine glasses 2 Wine bottle openers 3 Wine coolers …   Wikipedia

• tree — treelike, adj. /tree/, n., v., treed, treeing. n. 1. a plant having a permanently woody main stem or trunk, ordinarily growing to a considerable height, and usually developing branches at some distance from the ground. 2. any of various shrubs,… …   Universalium

• Tree — /tree/, n. Sir Herbert Beerbohm /bear bohm/, (Herbert Beerbohm), 1853 1917, English actor and theater manager; brother of Max Beerbohm. * * * I Woody perennial plant. Most trees have a single self supporting trunk containing woody tissues, and in …   Universalium