ES 1060
Homework
#5
Mass Balance
Due:
Page 125-126
Problems 13 & 20
13. For the distillation process shown, find all the unknowns. Note that only butane, hexane, and octane can be present in the output streams.
N = 23.4 kg/h
0.812 butane
0.105 hexane
|-----à bal octane
F kg/h | M=4.57 kg/h
0.500 butane | 0.124 butane
hf hexane -------à 0.822 hexane
bal octane |-------------------------------à bal octane
|
|
|
|----à P kg/h
bp butane
0.111 hexane
0.833 octane
20. A new sports nutrition drink is to be manufactured by a start-up company. The owners, who are sports physiology researchers, have determined that the composition must be:
COMPONENT PROPORTION
Water 2/3
Fructose 1/6
Glucose 1/20
Sucrose 1/15
Other balance (flavoring, minerals, etc.)
The selected ingredients are:
Symbol Ingredient Analysis
W Well water 99.00%water, bal other
C Corn syrup 33.33% fructose, 2.5% sucrose, bal water
F Fruit syrup 22.0% fructose, 5.00% sucrose, 10.00%other, bal water
S Dry sugar 98.15% sucrose, bal other
G Glucose soln. 37.5% glucose, bal water
Determine the mass of each
ingredient to make 100. kg of product.