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Russell's Lixiviation Process For Silver Ores, Frank L. Tyrrell
Russell's Lixiviation Process For Silver Ores, Frank L. Tyrrell
Professional Degree Theses
"It has long been known that there are many ores worked in which a large per cent of silver and gold are continually lost, either in tailings or slimes. As far back as 1848 Dr. Percy suggested the extraction of silver from argentiferous ores, by its conversion into the chloride. The chloride was treated with sodium hyposulphite"--Russell's Process, page 1.
Ore Of Certain Composition, Walter W. Wishon
Ore Of Certain Composition, Walter W. Wishon
Professional Degree Theses
The metallurgic treatment of an ore having the following composition:
SiO2 20.10
PbS 9.90
ZnS 40.25
CuS 19.75
Sb2S3 4.95
Ag2S 3.10 or 787.48 oz per ton
Undeter. 1.95
100.00
To obtain the Silver by the Chlorination and Amalgamation process. The discussion of the subject consists of the following sections:
1st Preparation of the Ore
2nd Roasting
3rd Amalgamation
4th Retorting
5th Fusion in the Bars