- Kroll process
- Kroll process.См. Процесс Кролла.(Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО "Профессионал", НПО "Мир и семья"; Санкт-Петербург, 2003 г.)
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Kroll process
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Kroll process — The Kroll process is a pyrometallurgical industrial process used to produce metallic titanium. It was invented in 1940 by William J. Kroll in Luxembourg. After moving to the United States, Kroll further developed the method in 1945 for the… … Wikipedia
Betterton-Kroll process — The Betterton Kroll process is an industrial process for removing bismuth from lead.Calcium and magnesium are added to a molten lead bismuth bath. The resulting bismuth compounds have higher melting points and lower densities than the lead, and… … Wikipedia
Kroll — may refer to:* Kroll Inc., a risk consultancy and technology firm specializing in data recovery, business intelligence, and financial investigations. Kroll is the surname of: * Eric Kroll, (* 1946), US photographer * Fredric Kroll, (* 1945), US… … Wikipedia
Betterton-Kroll process — ▪ metallurgy method widely used for removing bismuth from lead by adding calcium and magnesium to a molten lead bismuth bath. Compounds are formed with bismuth that have higher melting points and lower densities than lead and thus can be… … Universalium
Industrial process — Industrial processes are procedures involving chemical or mechanical steps to aid in the manufacture of an item or items, usually carried out on a very large scale.Industrial processes are the key components of heavy industry.Most processes make… … Wikipedia
FFC Cambridge process — The FFC Cambridge Process is an electrochemical method in which solid metal compounds, particularly oxides, are cathodically reduced to the respective metals or alloys in molten salts. History and inventionThe method was invented by three… … Wikipedia
William Justin Kroll — See also German classic philologist, Wilhelm Kroll (philologist) (1869 1939), Kroll: William Justin Kroll (born Guillaume Justin Kroll; November 24, 1889 March 30, 1973) was a metallurgist from Luxembourg. He is best known for inventing the Kroll … Wikipedia
Crystal bar process — An apparatus used for the crystal bar process. The main body is made of quartz glass. (1) to vacuum pump, (2) 6 mm molybdenum electrode, (3) molybdenum net, (4) chamber for the raw metal, (5) tungsten wire The crystal bar process (also known as… … Wikipedia
Betts electrolytic process — The Betts electrolytic process is an industrial process for separating lead and bismuth. It is named for its inventor Anson Gardner Betts.Process description for leadThe electrolyte for this process is a mixture of lead fluorosilicate (PbSiF6)… … Wikipedia
Chloride process — The chloride process is used to separate titanium from its ores. In this process, the feedstock is chlorinated at 1000 °C with carbon and chlorine gas, giving titanium tetrachloride. Typical is the conversion starting from the ore ilmenite:[1] 2… … Wikipedia
