Engineering

Chemical EngineeringQ&A Librarymentals of Material Balances fowchart shows a distillation column with two feed streams and three The following streams Stream 3 m3(kg A/h) Stream 1 m1(kg/h) 0.03 kg B/kg 0.97 kg C/kg Stream 4 1200 kg/h 0.70 kg A/kg 4B(kg B/kg) xckg C/kg) Stream 2 5300 kg/h 2A(kg A/kg) 2B(kg B/kg) Stream 5 mis(kg/h) 0.60 kg B/kg 0.40 kg C/kg (a) How many independent material balances may be written for this system? (b) How many of the unknown flow rates and/or mole fractions must be specified before the others may be calculated? (See Example 4.3-4. Also, remember what you know about the component mole fractions of a mixture -for example, the relationship between 12A and x2B.) Briefly explain your answer. c) Suppose values are given for imi and t2 Give a series of equations, each involving only a single unknown, for the remaining variables. Circle the variable for which you would solve. (Once a e has been calculated in one of these equations, it may appear in subsequent equations without being counted as an unknown.)Question

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