Chemistry, 15.02.2020 02:59 Nyasiahenry
An evaporation–crystallization process of the type described in Example 4.5-2 is used to obtain solid potassium sulfate from an aqueous solution of this salt. The fresh feed to the process contains 19.6 wt% K2SO4. The wet filter cake consists of solid K2SO4 crystals and a 40.0 wt% K2SO4 solution, in a ratio 10 kg crystals/kg solution. The filtrate, also a 40.0% solution, is recycled to join the fresh feed. Of the water fed to the evaporator, 45.0% is evaporated. The evaporator has a maximum capacity of 175 kg water evaporated/s. Calculate the maximum production rate of solid K2SO4, the rate at which fresh feed must be supplied to achieve this production rate.
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An evaporation–crystallization process of the type described in Example 4.5-2 is used to obtain soli...
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