| 释义 |
Solvay Chem.|ˈsɒlveɪ|
[The name of Ernest Solvay (1838–1922), Belgian chemist, who developed the process.]
Solvay (or † Solvay's) process: a method of making sodium carbonate using brine, ammonia, and carbon dioxide (which is usu. made as part of the process, by calcining limestone); also called ammonia-soda process. Hence Solvay plant, etc.
1879Sci. Amer. Suppl. 12 Apr. 2719/3 From these injurious impurities the Solvay soda is almost absolutely free. 1884Jrnl. Soc. Chem. Industry 29 Dec. 633/1 In the Solvay process there have been introduced important improvements. 1888C. L. Bloxam Chem. (ed. 6) 262 (heading) Ammonia soda process, or Solvay's process. 1947Kirk & Othmer Encycl. Chem. Technol. I. 402 A 500-ton-per-day soda plant requires gas compressors of about 3000 to 4000 horsepower to handle the suction on the kilns and to compress the gas into the Solvay precipitating towers. 1950Thorpe's Dict. Appl. Chem. (ed. 4) X. 835/1 The earliest Solvay plants used solid salt and dissolved it in a recycled alkaline water obtained from the scrubbing of calciner gases. 1966McGraw-Hill Encycl. Sci. & Technol. II. 399/2 Calcium chloride, obtained as a waste product in the Solvay process. 1974Encycl. Brit. Micropædia IX. 320/1 Its anhydrous form, soda ash (Na2CO3),..is now manufactured chiefly by the ammonia-soda (Solvay) process. |