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Balances y Desempeño Minero (V/F)

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Balances y Desempeño Minero (V/F)

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Quiz sobre balances metalúrgicos y desempeño

Created by

M. de los Angeles Ibarra
M. de los Angeles Ibarra
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Balances y Desempeño Minero (V/F)
 

Balances y Desempeño Minero (V/F)Online version

Quiz sobre balances metalúrgicos y desempeño

by M. de los Angeles Ibarra
1

La Recuperación (R) es el porcentaje del cobre original que queda en el relave.

Escoge una o varias respuestas

2

La Razón de Concentración (Rc) indica cuántas toneladas de mineral se requieren para producir una tonelada de concentrado.

3

El consumo específico Ce se expresa en kWh por tonelada de mineral procesado.

4

En un balance en base seca, la masa total de sólidos que entra no se conserva.

5

La potencia total consumida por la molienda se obtiene multiplicando el flujo de sólidos por Ce.

6

La ley de cobre en el concentrado es menor que la del mineral de entrada.

7

La ley de cobre del relave es mayor que la del concentrado.

8

La ecuación de balances describe que F = flujo de alimentación, C = flujo de concentrado y T = flujo de relave.

9

La potencia en MW se obtiene si Ce es expresado en kWh/t y F en t/h

10

Una planta con Xf=0,7%, Xc=24,1% y Xt=0,1% mantiene el balance de masa sin pérdidas de sólidos.

Explicación

La recuperación es la fracción que va al concentrado, no al relave.

Rc = toneladas de mineral para 1 tonelada de concentrado.

Ce = kWh/t de sólido procesado.

En estado estacionario, la masa de sólidos se conserva entre entrada, concentrado y relave.

Potencia = F (t/h) × Ce (kWh/t) → resultante en kW/MW.

El concentrado debe tener mayor ley que la mena para ser útil.

Relave tiene menor ley que el concentrado.

Así se define en el balance metalúrgico.

Sí, convierte a MW con las unidades correspondientes.

El balance de masa se conserva, pero existen pérdidas en el relave, no cero pérdidas.

 
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