Question: Two materials, A and B, are to be separated using two unit operations, 1 and 2. The feed has 10 tonnes /hA and 5 tonnes

Two materials, A and B, are to be separated using two

Two materials, A and B, are to be separated using two unit operations, 1 and 2. The feed has 10 tonnes /hA and 5 tonnes /hB. The split (fraction of material rejected by each operation) is given in Table P5-14. (a) Which sequence of operations will yield the greatest recovery of material A ? What will be the purity of material A using that sequence? (b) Which sequence of operations will yield the greatest purity of material A? What will be the recovery of material A using that sequence? (Hint: the 2nd unit can treat either the product or reject from the 1st unit, so there are 4 different scenarios to be considered)

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