A hot solution of MgSO, contains 35 kg MgSO4/100 kg H20 and goes to a crystallizer where the solution is cooled to 16°C. In the crystallizer, crystals of MgSO4- 7H20 are precipitated. The solubility of MgSO, in the solution at 16°C is 0.246 kg MgSO4/kg solution. What % of the original water is evaporated, if the crystals yield weighs 1 MT per 6.23 MT of feed? MW of MgSO4 = 120

Introduction to Chemical Engineering Thermodynamics
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Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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A hot solution of MgsO4 contains 35 kg MgSO4/100 kg H20 and goes to a crystallizer where the solution is cooled to
16°C. In the crystallizer, crystals of MgS04 - 7H20 are precipitated. The solubility of MgSO4 in the solution at 16°C is
0.246 kg MgSO4/kg solution. What % of the original water is evaporated, if the crystals yield weighs 1 MT per 6.23 MT
of feed? MW of MgSO4 = 120
15%
17%
16%
14%
Transcribed Image Text:A hot solution of MgsO4 contains 35 kg MgSO4/100 kg H20 and goes to a crystallizer where the solution is cooled to 16°C. In the crystallizer, crystals of MgS04 - 7H20 are precipitated. The solubility of MgSO4 in the solution at 16°C is 0.246 kg MgSO4/kg solution. What % of the original water is evaporated, if the crystals yield weighs 1 MT per 6.23 MT of feed? MW of MgSO4 = 120 15% 17% 16% 14%
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