McCabe Thiele method and Kresmer equation to solve:

In an ammonia plant, traces of methane are absorbed from a nitrogen stream using liquid ammonia. Operation is at 253.2K and 175atm pressure. Feed flow rate of gas containing 0.129 mol\% methane is 100kmol/h. It is expected that 95% of the methane to be removed. Entering liquid ammonia is pure and this process operates with L/V=1.4(L/V)min. Assume total gas and liquid rates are constant. Equilibrium relation at given temperature is: ymethane=20.57 methane . 1) Define the problem (Draw a sketch; include the given data; and identify what you would need to estimate). 2) Explore the problem (Check if all the assumptions are valid). 3) Plan and do it. a. Calculate the methane mole fraction in the outlet gas. b. Plot the equilibrium curve using the given equilibrium relation, on excel. c. Find (L/Vmin and (L/V)cttual.. [careful when plotting the very low concentrations on the graph). d. Find the actual methane mole fraction in the outlet liquid. e. Estimate the number of equilibrium stages required using the McCabe Thiele graphical method. 4) Estimate the number of equilibrium stages using Kremser equation and then compare the results from McCabe Thiele graphical method