Question: A mineral processing plant treats feed whose grade is 0 . 9 1 % Zn . The concentrate and tailings are produced from the plant.

A mineral processing plant treats feed whose grade is 0.91% Zn. The concentrate and tailings are produced from the plant. The grade of the concentrate is 25.3%. The grade of the tailings is 0.13%. Estimate:
(a) Zn recovery in concentrate
(b) Fed fraction that remains in the concentrate
(c) Enrichment ratio

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