Packed beds

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• Packed bed — In chemical processing, a packed bed is a hollow tube, pipe, or other vessel that is filled with a packing material. The packing can be randomly filled with small objects like Raschig rings or else it can be a specifically designed structured… …   Wikipedia

• Fluidized bed — For other uses, see Fluidized bed (disambiguation). Oldest power station utilizing circular fluidized bed technology, in Lünen, Germany A fluidized bed is formed when a quantity of a solid particulate substance (usually present in a holding… …   Wikipedia

• Fluidized bed reactor — A fluidized bed reactor (FBR) is a type of reactor device that can be used to carry out a variety of multiphase chemical reactions. In this type of reactor, a fluid (gas or liquid) is passed through a granular solid material (usually a catalyst… …   Wikipedia

• Expanded bed adsorption — (EBA) is a preparative chromatographic technique which makes processing of viscous and particulate liquids possible. Where classical column chromatography uses a solid phase made by a packed bed, EBA uses a fluidized bed. Particles such as whole… …   Wikipedia

• Kozeny-Carman equation — The Kozeny–Carman equation is a relation used in the field of fluid dynamics to calculate the pressure drop of a fluid flowing through a packed bed of solids. It is named after Josef Kozeny and Philip C. Carman. The equation is only valid for… …   Wikipedia

• Sabri Ergun — (1 March 1918 in Turkey 18 February 2006) was a chemical engineer.He is widely recognized for his enthusiasm and many contributions to the fields of chemical engineering and solid state physics.Ergun EquationThe Ergun Equation is a correlation… …   Wikipedia

• Electrodeionization — (EDI) is a water treatment process that removes ionizable species from liquids using electrically active media and an electrical potential to effect ion transport. It differs from other water purification technologies such as conventional ion… …   Wikipedia

• Chemical plant — BASF Chemical Plant Portsmouth Site in the West Norfolk area of Portsmouth, Virginia, United States. The plant is served by the Commonwealth Railway …   Wikipedia

• Martinus Tels — Prof.ir. Martinus Tels, at his desk in the office of the rector magnificus. Courtesy of the Eindhoven University of Technology archives …   Wikipedia

• river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …   Universalium

• 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