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Soda ash in the floatation of gold

Jan 17, 2011 Grinding with soda ash as a pH regulator is beneficial to promote bulk flotation since lime as an alternate is known to have some detrimental effect on flotation of pyrite (Gaudin, 1957, Klassen and Mokrousov, 1963) and gold (Dunne, 2005). Use of lime increases the concentration of calcium ions in the flotation slurry, which tend to block

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