释义 |
Bayer|ˈbaɪə(r)| [From the name of the inventor, K. J. Bayer, a German metallurgist.] Bayer process: a process for the production of aluminium from bauxite.
1910Metall. & Chem. Engin. Aug. 498/1 Two processes are used in France to produce alumina from bauxite. The Bayer process is used at Gardanne, where the ore is attacked under pressure with caustic soda solution. 1911Ibid. Mar. 147/1 The alumina is purified from the bauxite by the Bayer process—solution in caustic soda and precipitation therefrom. 1949P. C. Carman Chem. Const. & Prop. Engin. Materials vii. 229 To get pure Al2O3, the Bayer process is used, in which bauxite is treated with 45% NaOH heated to 100 p.s.i. 1956Nature 10 Mar. 462/2 The purification of the mineral by the Bayer process. |