Bibliographic citations
Fernandez, D., (2022). Ley mínima de oro en la solución rica para una producción rentable en un proceso de recuperación de oro en una empresa minera [Tesis, Universidad Privada del Norte]. https://hdl.handle.net/11537/31617
Fernandez, D., Ley mínima de oro en la solución rica para una producción rentable en un proceso de recuperación de oro en una empresa minera [Tesis]. PE: Universidad Privada del Norte; 2022. https://hdl.handle.net/11537/31617
@mastersthesis{renati/524617,
title = "Ley mínima de oro en la solución rica para una producción rentable en un proceso de recuperación de oro en una empresa minera",
author = "Fernandez Lazaro, Delmer Dante",
publisher = "Universidad Privada del Norte",
year = "2022"
}
The general objective of this study was to determine the minimum gold grade in the rich solution (SR), for profitable production in a gold recovery process in a mining company. For this study, information from a mining company located in the department of Cajamarca was considered. The information on the gold grades has been obtained from the period 2016 to 2021, and the cost information was considered from the year 2018. In the present work, the population consisted of four sectors of the leaching Pad, and for the sample, based on convenience sampling, sector N° 2 of the Pad was considered. The type of research is non-experimental, quantitative - applied and longitudinal, and with a descriptive level. In the present investigation, the two gold recovery processes used in said mining were considered: Merrill Crowe (MC) and Carbon in Columns (CIC). For both processes, their minimum gold grade was determined, in order to determine which of these processes is more profitable. The results conclude that: The minimum gold grade in the rich solution to process the MC Plant is 0.0365 g/m3 (profitability equal to 0%), grades lower than this would imply losses in the MC process. While the minimum gold grade in the rich solution to process the CIC Plant is 0.0374 g/m3 (profitability equal to 0%), grades lower than this would imply losses with the CIC process. Likewise, regarding profitability, it was determined that the MC process has higher profitability than the CIC process. To what we will say, at a grade in the SR of 0.333 g/m3, in the MC, returns are obtained 27% more than with the CIC process. Regarding the right time for the closure of the leach Pad, and once the last ounces of gold have been placed in the pad, the closure has been determined after 3.7 months for a MC process, and after 3.6 months for the CIC process.
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