Question

4500 kg/h of a solution that is one-third k2cro4 by mass is joined by a recycle stream containing 36.4% k2cro4, and the combined stream is fed into an evaporator. The concentrated stream leaving the evaporator contains 49.4% k2cro4; this stream is fed into a crystallizer in which it is cooled (causing crystals of k2cro4 to come out of solution) and then filtered. The filter cake consists of k2cro4 crystals and a solution of 36.4% k2cro4 by mass. The crystals account for 95% of the total mass of the filter cake. The solution that passes through the filter, also 36.4% k2cro4 is the recycle stream. Find the rate of evaporation, the rate of production of crystalline k2cro4 , the feed rates that the evaporator and the crystallizer must be designed to handle and the recycle ratio

Answer 1

Answer:

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