sludge pumps

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• Chopper pumps — Picture of a dry installed chopper pump, model MPTK I. Courtesy of Landia. A chopper pump is a centrifugal pump, which is equipped with a cutting system to facilitate chopping/maceration of solids that are present in the pumped liquid. The main… …   Wikipedia

• Michael A. Hoffman — For other people named Michael Hoffman, see Michael Hoffman (disambiguation). Michael Allen Hoffman, Ph.D. (October 14, 1944–April 23, 1990) was an American archaeologist, Egyptologist, and author. Michael A. Hoffman was born in Washington D.C.… …   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

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

• Hydropolitics in the Nile Basin — Essay like|article|date=December 2007The Nile River is subject to political interactions. It is the world s longest river flowing 6,700 kilometers through ten countries in northeastern Africa – Rwanda, Burundi, Democratic Republic of the Congo… …   Wikipedia

• Progressive cavity pump — A progressive cavity pump is also known as a progressing cavity pump, eccentric screw pump or even just cavity pump and, as is common in engineering generally, these pumps can often be referred to by using a genericized trademark. Hence names can …   Wikipedia

• Oil pump (internal combustion engine) — This article is about a part in an internal combustion engine. For other uses, see Oil pump. Oil circulation system …   Wikipedia

• Fuel pump — should not be confused with fuel dispenser, a device that dispenses fuel into an automobile. A high pressure fuel pump on a Yanmar 2GM20 marine diesel engine. A fuel pump is a frequently (but not always) essential component on a car or other… …   Wikipedia

• Orange County Sanitation District — The Orange County Sanitation District (OCSD) is a wastewater treatment facility that serves Orange County, California. It consists of two operating plants, referred to as Plant No. 1 located in Fountain Valley and Plant No. 2 located in… …   Wikipedia