Recuperación de oro por el método de flotación de material de mina de la Concesión Minera La Pituca II , aplicando un proceso de reciclo de agua

Abstract

Abstract: The objective of this work was to recover gold by the flotation method applying a recycling of water, of mine material from the "La Pituca II" mining concession, Zamora.Low environmental impact reagents were used in the flotations, such as AR-1208 and AR-1238 dithiophosphate collector, ER-350 foaming agent and sodium silicate depressant. For each flotation, the grain size 74 μm, pH variations (7 and 9) and chemical reagents were considered. In the C1 and C4 flotation, the Ar-1238 collector was used, giving percentages of gold yield of 83.46% and 75.98%, in the C3 and C2 flotations with the Ar-1208 collector, the recoveries were 75, 39% and 79, 53%. It should be noted that the best performance results were determined in the first flotation at pH 7, obtaining 83.46% gold recovery, being the highest compared to the rest of the flotations. In the flotation process, the reuse of the water from the process was carried out by applying a filtering system; with 84.62% recovery equivalent to 1100 ml of volume.