A N T I M O N Y : ITS HISTORY, CHEMISTRY, MINERALOGY ...

68 THE METALLURGY OF ANTIMONY.
(/; Henviiachinidts process.
(m) Rasse-Conrbet's .,
(it) Minicre e Fonderie d'aiithiionio Societa
Anonima's process.
(0) Chatillon's
(j.*) Herreusehmidts process
B. Methods for the production of metallic antimony.
1. Reduction of the oxide (either tetroxide or trioxide).
(a) In reverberatory furnaces.
(1) In water-jacket or blast furnaces.
(c) In crucibles.
2. Extraction of metallic antimony from antimonium
crudum.
(a) The so-called English precipitation method of
reduction.
3. Direct processes, i.e. extraction of metallic antimony
direct from the ore.
(a) Bath furnaces.
(h) Water-jacket furnaces or blast furnaces,
(c) Converters (Manesse or Bessemer.)
4. Other processes.
II. Extraction by wet methods.
III. Extraction by electrolytic methods.
IV. Refining of antimony.
1. In pots.
2 Tn reverberatory furnaces.