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Question 3 ( 4 0 marks ) A . A PbS concentrate is produced by a rougher - cleaner flotation circuit. The cleaner tailings assay
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A A PbS concentrate is produced by a roughercleaner flotation circuit. The cleaner tailings
assay are recycled to the rougher cells, and the circulating load recyclefresh
feed is The fresh feed assays and is delivered at the rate of tons
The recovery in cleaner concentrate in fresh feed and grade in the concentrate
are and respectively. What are the flow rates and assays of the other streams?
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B A lead zinc mill treats tonsday of ore assaying and and produced a
lead concentrate of grade and zinc concentrate of The
tailing assay is and How much and concentrates are produced in
the plant per day. tonsday tons
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C Calculate how many of magnetite must be added to of water to make a
slurry with a pulp density of Assume density of magnetite is
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Answer all questions please
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