Plot the Process of Component Strip Off from Flowing Water


Component A in a water stream is to be stripped out using an air stream in a countercurrent staged stripper. Inlet air is pure, and the flow rate is G = 500 mol/hr. The inlet liquid stream has a mole ratio of X = 0.10 and a flow rate of pure water of 500 mol/hr. The desired outlet mole ratio is X = 0.005. Assume that water is nonvolatile and air is insoluble. Equilibrium data can be represented by Y = 1.5X.

a). Draw a diagram of the process and label the streams in and out.
b). Show the ‘complete’ operating equation of the process.
c). Using the attached X-Y diagram, find the number of equilibrium stages and the outlet gas mole ratio. Be certain to label the diagram.
d). Also provide the (L/G)max.


The question belongs to Chemical Engineering and the question is about a process where a component needs to be stripped off from flowing water. The data of the process is to be plotted on the graph and the equation for the process has to be given. These have been discussed in detail in the solution.

Note: The solution is in handwritten format.


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