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EFFECT OF LEAD NITRATE ON CYANIDATION OF ANTIMONIAL REFRACTORY GOLD AND SILVER ORES

AUTHOR/S: O. CELEP, I. ALP, H. DEVECI
Sunday 1 August 2010 by Libadmin2010

10th International Multidisciplinary Scientific GeoConference - SGEM2010, www.sgem.org, SGEM2010 Conference Proceedings/ ISBN 10: 954-91818-1-2, June 20-26, 2010, Vol. 1, 639-644 pp

ABSTRACT

This paper deals with the effect of the addition of lead nitrate and ultra-fine grinding on
the cyanidation of an antimonial refractory gold and silver ore. The results indicated that
the recovery of gold was enhanced by 10%, but, silver extraction did not improve with
adding lead nitrate or increasing its concentration. Fine grinding (e.g. down to-5μm) did
not produce the desired effect on the extraction of Au and Ag.

Keywords: gold; silver; refractory ores; antimony minerals; lead nitrate; cyanidation

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