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1 Physicochemical Problems of Mineral Processing

1 2020

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Comparison of different methods on the enrichment of Konya Inlice epithermal gold ores

Selçuk Ayşe Nur Döğme, Güney Ali

Physicochemical Problems of Mineral Processing

2020

Vol. 56, iss. 1

147--160

In this study, firstly, enrichment experiments were carried out on the epithermal gold ore belonging to the Konya-İnlice region containing 2.38 ppm Au-containing oxide type ore and 1.39 ppm Au-containing sulfur ore with using Falcon device as a gravity enrichment method. In these group experiments, the effects of parameters such as centrifugal force, bowl type effect, and a solid ration of feeding were investigated. As the second enrichment method, the conventional flotation technique was applied. In these enrichment experiments, appropriate grain size, flotation time, amount of reagent, and amount of depressant, and pH effect were investigated. The results of these tests showed that while a concentrate assaying 4.79 ppm Au content was obtained with 7% recovery with Falcon Concentrator, a concentrate with 8.37 ppm Au content with 36.37 % recovery was obtained with flotation tests. Thus, if the middlings were theoretically distributed, the final concentrate recovery increased to 78.10% recovery increases to 78.10%.