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The largest chemical plant owned by your employer produces 1 0 , 0 0 0 kmo l s of a toxic gas which has a
The largest chemical plant owned by your employer produces kmo of a toxic gas which has a content of mol It is desired to remove of its nitrous oxide content by contact with pure water and you have been tasked with the preliminary equipment design. According to your experienced supervisor, the design water flow rate should be higher than the minimum. The equilibrium data is also available see the provided plots and
a Calculate and
b Calculate graphically the minimum water flow rate
c Calculate the actual water flow rate and
d Calculate the concentration in the water leaving the absorber and : and
e Determine the operation line equation using the standard equation.
Hit: Remember that for a multistage process
Calculate the values for and
f Draw the operation line on the corresponding plot using equidistant points
g Draw the pseudoequilibrium line using equidistant points considering that the operation is carried out on a multistage absorber with an overall efficiency of
f Estimate graphically the required number of real stages.
g Determine the compositions entering and leaving each stage. Use a schematic to show your answer
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