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6.    An evaporator is fed with 25 tons/hr of a solution containing 10% NaOH, 10%...

6.

   An evaporator is fed with 25 tons/hr of a solution containing 10% NaOH, 10% NaCl and 80% water. The water is evaporated and NaCl crystals removed. When they leave the evaporator the NaCl crystals carry with them 0.12 lbm solution/lbm crystals. The concentrated liquor leaving the evaporator contains 50% NaOH, 2% NaCl and 48% water. Assume that the solution adhering to the crystals has the same composition as the concentrated liquor. Find

The water evaporated in lbm/hr

The amount of concentrated liquor in lbm/hr.

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