Hall-Heroult process (the Hall-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

• Hall , Charles Martin — (1863–1914) American chemist Hall was born in Thompson, Ohio, and educated at Oberlin College, graduating in 1885. He became interested in the costly process of manufacturing aluminum – until the late 19th century aluminum was a precious metal… …   Scientists

• Hall, Charles Martin — born Dec. 6, 1863, Thompson, Ohio, U.S. died Dec. 27, 1914, Daytona Beach, Fla. U.S. chemist. He attended Oberlin College, where, soon after graduating in 1885, he discovered the method of producing aluminum by electrolysis (simultaneously with… …   Universalium

• 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

• 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

• Charles Martin Hall — Born December 6, 1863 Thompson, Ohio Died December 27, 1914 Daytona, Florida …   Wikipedia

• 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

• Charles Martin Hall — (* 6. Dezember 1863 in Thompson (Ohio); † 27. Dezember 1914 in Daytona, Florida) war ein amerikanischer Erfinder, Ingenieur und Unternehmer. Er wurde bekannt durch seine Entdeckung einer kostengünstigen Methode zur Herstellung von Aluminium.… …   Deutsch Wikipedia