Estudio del proceso de depuración de aguas residuales industriales provenientes de empresas mineras

Abstract

This thesis has been performed in order to study a system to reduce wastewater pollutants from the processes of cyanidation in mining companies, which would provide insight knowledge of the possibilities of the use of this type of effluent treatment. For this purpose of this study, a water sample from wastewater disposal of a mining company was drawn into a pilot plant, which was built for the study. The process was implemented through a system of natural wetlands of horizontal subsurface flow, batch, sort through ThypaLatifolia, in which the sampling was performed at beginning and at the end in order to analyze the percentage reduction in metals and other pollutants parameters in these waters. Through the development of the study, the objectives to show the reduction of the pollutants was achieved which was shown in the reduction factors of the different parameters studied including: 18.81% dissolved solids, 62.48% suspended solids, 32.89% total solids, 29.17% cyanide, 37.47% sulfur, 32.79% copper and 11.17% arsenic. Moreover, it was also analyze the neutralizing capacity, achieving a reduction of pH to very near 7 units values system in all the cases