- heroult process
- 赫劳尔特法
English-Chinese metallurgy dictionary. 2014.
heroult process
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Hall-Héroult process — The Hall Héroult process is the major industrial process for the production of aluminium. It involves dissolving alumina in molten cryolite, and electrolysing the solution to obtain pure aluminium metal.ProcessAluminium cannot be produced by the… … Wikipedia
Héroult, Paul-Louis-Toussaint — ▪ French scientist born April 10, 1863, Thury Harcourt, Fr. died May 9, 1914, near Antibes French chemist who invented the electric arc furnace (electric furnace) widely used in making steel and, independently of the simultaneous work of… … Universalium
Paul Héroult — Infobox Scientist name = Paul L.T. Heroult box width = image width =150px caption = Paul L.T. Heroult birth date = April 10 1863 birth place = death date = May 9 1914 death place = residence = citizenship = nationality = France ethnicity = field … Wikipedia
Bayer process — The Bayer process is the principal industrial means of refining bauxite to produce alumina.Bauxite, the most important ore of aluminium, contains only 30 54% alumina, Al2O3, the rest being a mixture of silica, various iron oxides, and titanium… … Wikipedia
Castner process — The Castner process is a process for manufacturing sodium metal by electrolysis of molten sodium hydroxide at approximately 330°C. Below that temperature the melt would solidify, above the metal would start to dissolve in the melt.Process… … Wikipedia
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
Chloralkali process — The chloralkali process is an industrial process for the electrolysis of sodium chloride solution (brine). Depending on the method several products beside hydrogen can be produced. If the products are separated, chlorine and sodium hydroxide are… … Wikipedia
Castner–Kellner process — The Castner–Kellner process is a method of electrolysis on an aqueous alkali chloride solution (usually sodium chloride solution) to produce the corresponding alkali hydroxide,[1] invented by American Hamilton Castner and Austrian[2] Karl Kellner … Wikipedia
Electrolytic process — An electrolytic process is the use of electrolysis industrially to refine metals or compounds at a high purity and low cost. Some examples are the Hall Héroult process used for aluminium, or the production of hydrogen from water. Electrolysis is… … Wikipedia
Aluminium — Infobox aluminiumAluminium (Audio IPA|En uk aluminium1.ogg|ˌæljʊˈmɪniəm, IPA|/ˌæljəˈmɪniəm/) or aluminum (Audio IPA|En uk aluminum.ogg|/əˈluːmɪnəm/, see spelling below) is a silvery white and ductile member of the boron group of chemical elements … Wikipedia
Electric Smelting and Aluminum Company — Type Private Industry Aluminum, bronze, carborundum, copper, alloys Founded c. 1886 to 1940s Founder(s) Alfred H. Cowles, Eugene H. Cowles Headquarters … Wikipedia
