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A long-tube vertical forced circulation evaporator is to be fed with 20 wt% caustic soda so at a temperature of 100 ℉ The concentrated liquor is expected to be 50 wt% NaOH Satura steam at

A long-tube vertical forced circulation evaporator is to be fed with 20 wt% caustic soda so at a temperature of 100 ℉. The concentrated liquor is expected to be 50 wt% NaOH. Satura steam at 65 psia is to be supplied to the 2700 evaporator which operates at 4 psia. The given heat transfer coefficient is 380 btwh.f.F ed a) Calculate the volumetric amount of steam utilized for the process in fth. (19 Marks) b) Determine the flow rate of feed, concentrated liquid and vapor in the system in lbm/h. (16 Marks) A long-tube vertical forced circulation evaporator is to be fed with 20 wt% caustic soda so at a temperature of 100 ℉. The concentrated liquor is expected to be 50 wt% NaOH. Satura steam at 65 psia is to be supplied to the 2700 evaporator which operates at 4 psia. The given heat transfer coefficient is 380 btwh.f.F ed a) Calculate the volumetric amount of steam utilized for the process in fth. (19 Marks) b) Determine the flow rate of feed, concentrated liquid and vapor in the system in lbm/h. (16 Marks)

Jul 31 2020 View more View Less

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