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The Solvay process or ammonia–soda process is the major industrial process for the production of sodium carbonate (soda ash, Na 2 CO 3). The ammonia–soda process was developed into its modern form by the Belgian chemist Ernest Solvay during the 1860s. [ 1 ]
Solvay Chemical continued soda ash production through the 20th century. By 1980, the demand for soda ash plummeted. By 1985, the company had lost $55 million over the previous three years, forcing Allied Chemical (AlliedSignal at the time) to close and demolish the plant, dismissing 1,400 employees.
The company was founded as Nihon Soda Kogyo Co., Ltd., a producer of soda ash in 1918 by Katsujiro Iwai. It changed name in 1936 to Tokuyama Soda Co., Ltd. and in 1994 to its present name. [4] It is listed on the Tokyo Stock Exchange and is a component of the Nikkei 225 stock index. [5]
The British and Kenyan soda ash businesses of ICI were segregated from the rest of the ICI in 1991 and then demerged from ICI as Brunner Mond Holdings Limited. In 1998, this company acquired the soda ash production capabilities of Akzo Nobel in The Netherlands to form Brunner Mond B.V. [ 6 ]
American Natural Soda Ash Corporation (ANSAC) operates as the international distribution arm for three US manufacturers of natural soda ash produced from trona [1] deposits in Green River, Wyoming, the trade name for sodium carbonate Na 2 CO 3, is an essential raw material used in the manufacture of glass, detergents, and several sodium-based chemicals.
The ammonia-soda process was first patented on 30 June 1838 by Harrison Gray Dyar and John Hemming, [3] [4] who carried it out on an experimental scale in Whitechapel. Many attempts were soon after made in the same direction, both in England and on the continent of Europe, the most remarkable of which was the ingenious combination of apparatus ...
WE Soda is a soda ash producer. [4] [5] The company was founded in 2009 at the Eti Soda plant and is located in the Beypazarı district of Ankara. [6]It operates two large facilities in Turkey, producing over five million tons of natural soda ash annually, which is sold in almost eighty countries around the world. [7]
The Leblanc process was an early industrial process for making soda ash (sodium carbonate) used throughout the 19th century, named after its inventor, Nicolas Leblanc.It involved two stages: making sodium sulfate from sodium chloride, followed by reacting the sodium sulfate with coal and calcium carbonate to make sodium carbonate.