Bauxite Discovery Process

Aluminum was obtained by the Danish physicist HCOersted in 1825 by the interaction of potassium amalgam with aluminum chloride to obtain aluminum amalgam, and then the mercury was removed by distillation, and metal aluminum was obtained for the first time. found. The production of metal aluminum was initially chemical. Namely, the sodium chemical method founded by French scientist H. SainteClaire Diwill in 1854 and the magnesium chemical method founded by Russian physical chemist HH Beketov (Н.Н.Бекетов) in 1865 . France started industrial production in 1855 using chemical methods and was the first country in the world to produce aluminum. The discovery of bauxite (1821) predates the element aluminum, which was then mistaken for a new mineral. To produce aluminum from bauxite, alumina is first produced, and then aluminum is produced by electrolysis. The mining of bauxite began in France in 1873, and the production of alumina from bauxite began in 1894, using the Bayer method, and the production scale was only more than 1t per day. By 1900, France, Italy and the United States and other countries had a small amount of bauxite mining, with an annual output of only 90,000 tons. With the development of modern industry, aluminum was used as a metal and alloy in the aviation and military industries, and then expanded to the civilian industry. Since then, the aluminum industry has developed rapidly. By 1950, the world's metal aluminum production has reached 1.51 million tons. In 1996, it increased to 20.92 million tons, becoming the second most important metal after steel