Bibliographic citations
Huamán, C., (2018). Tratamiento de drenaje ácido del depósito de desmonte Unsuitable IV Yanacocha Norte por el proceso de humedales en Serpentín [Tesis, Universidad Privada del Norte]. https://hdl.handle.net/11537/13946
Huamán, C., Tratamiento de drenaje ácido del depósito de desmonte Unsuitable IV Yanacocha Norte por el proceso de humedales en Serpentín [Tesis]. PE: Universidad Privada del Norte; 2018. https://hdl.handle.net/11537/13946
@misc{sunedu/3006141,
title = "Tratamiento de drenaje ácido del depósito de desmonte Unsuitable IV Yanacocha Norte por el proceso de humedales en Serpentín",
author = "Huamán Chávez, Clinton Ener",
publisher = "Universidad Privada del Norte",
year = "2018"
}
This work was developed in: La Quinua Metallurgy laboratory (Yanacocha Mining Company) as a natural alternative for the treatment of acid drainage, with the use of artificial wetlands in the shape of coils. The thesis was focus in the waste rock called unsuitable IVYanacocha Norte. The normal treatment implies the pumping system and the water treatment across the Water Treatment Plant, which is very costly. Thus, this investigation look to design and to evaluate the use of a wetland for the treatment of the acid drainage of mine, which allows to improve the pH and to diminish the metal concentration. The first experiment was realized using compost (Yanahumus), acid water and three species of plants: Phragmites australis, Hydrilla verticillata, Scirpus holoschoenus, after an evaluation of only 8 hours the pH had increased from 3.4 to 7.2 With these results the phase developed 2. In the second phase, the artificial wetland was designed. For the calculation of the wetland area, we used the methodology proposed by (Skousen et to., 1994; Hedin et to., 1995; Watzlaf, 1997). Once the area was calculated, two additional wetlands were constructed to validate results with three different flows (25, 30 and 35 ml/min respectively). The wetlands were constructed in the shape of coil with four cells (each one of 0.34 m). In the base of every cell there was placed a thin cap of quartz (to avoid saturation of muds), on the quartz, 15 cm of Yanahumus and plants. The test developed in a period of 60 days, took samples of pH, and total metals every 4 days. The best results for increase of pH and metal reduction was with flow of 25 ml/min. The results of the pH did not change statistically in comparison with other flows. Nevertheless, significant differences existed in the metal decrease in the treatments with flow of 25, 30 and 35 ml/min. The decrease in concentration of the principal metals in the water was As (0.6-0.11), Cd 91.4%, Cr 97.25 %, Cu 81 %, Fe 97.9%, Pb 27.5% y Zn 85.5% each one. Finally, this thesis shows a new technology, which minimizes costs, is friendly with the environment and can discharge water fulfilling the maximum permissible limits, that demands the environmental Peruvian legislation. Thus, this thesis turns into a potential alternative of low cost for the treatment of acid waters into mining industry.
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