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Vemork
Vemork is the name of a hydroelectric power plant outside Rjukan in Tinn, Norway. The plant was built by Norsk Hydro and opened in 1911, its main purpose being to fix nitrogen for the production of fertilizer. Vemork was later the site of the first plant in the world to mass-produce heavy water developing from the hydrogen production then used for the Haber process. During World War II, Vemork was the target of Norwegian heavy water sabotage operations. The heavy water plant was closed in 1971, and in 1988 the power station became the Norwegian Industrial Workers Museum.
==History==
In 1906, Norsk Hydro started construction of what was to be the world's largest hydroelectric power plant. The 60-MW Vemork power station at the Rjukan waterfall was the world’s largest power plant when it opened in 1911, after six years of construction. The project was so expensive that the works had to be financed by overseas sources. The plant became the corporate precursor to Norsk Hydro. Ten 6-MW T/G sets were supplied by Voith and AEG (units 1-5) and Escher Wyss and Oerlikon (units 6-10).
In 1911, construction was complete. The plant, itself, was built to power a factory producing artificial fertilizer by a new method invented by Kristian Birkeland. Later, Norsk Hydro developed and realized another project—the production of heavy water (deuterium) by means of electrolysis. The company built a unit for producing high concentrations of heavy water at the Vemork plant at Rjukan, although for what purpose was not stated. Production started in December 1934.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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