Process for treating speiss

Details Process for treating speiss Process for treating speiss

1986-04-21

1990-01-02

Stoll, Robert L.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 63, 75 69, 75 72, 75 78, 75 89, 75101R, 75121, 423 88, 423617, C22B 704

Patent

active

048910619

ABSTRACT:
Arsenic and antimony are separated from speiss by a roasting operation employing pyrite and coke and the arsenic is separated from the resultant product by a water pressure leaching operation.

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patent: 4578254 (1986-03-01), Malmstrom
Chemical Abstracts, vol. 5:1729 The Working Up of Speiss--C. Guillemain.
Chemical Abstracts, vol. 13:1296 Treatment of Complex Speisses--P. Papencordt.
Chemical Abstracts, vol. 20:889 Recovery of Arsenic and Other Valuable Constituents from Speiss--C. P. Linville.
Chemical Abstracts, vol. 25:5882 Reactions in the Removal of Arsenic from Speiss by Heating in the Presence of Pyrites--V. Tafel and H. W. Loose.
The Metallurgy of Lead, pp. 279-283.

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