Letters

From: Engineering and Mining Journal | Date: April 1, 2001| Author: Anonymous | Copyright information

I read with great interest the article by Louis W. Cope about Boilvian silver in your November 2000 issue. It reminds me of when I worked in Potosi, Bolivia, at the Taiutou plant owned by Compania del Cerro Rico de Potosi.

This plant was designed to recover tin from ore by: mixing it with pyrites (floatation tailings); agitating the mixture in the absence of air, thereby decomposing the cassiterite (Sn02) into volatile tin sulphide; and capturing it in a baghouse. Very little tin vola...

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