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Carbon dioxide ( CO 2 ) is a greenhouse gas that must be removed from coal - fired power plant exhaust before the exhaust can
Carbon dioxide CO is a greenhouse gas that must be removed from coalfired power plant exhaust before the exhaust can be discharged to the outside air. molh of a gas stream containing mol COC and the balance air A is contacted with a pure mixture of monoethanolamine MEA and water MEAWassume the MEAW mixture is one component at deg C and atm in an absorption column. It is desired to remove mol of CO from the air. LLmin is Assume solute free flow rates are constant, which means the MEAwater mixture is nonvolatile and air does not dissolve in the MEAwater mixture. Assume the column is isothermal at deg C and isobaric at atm. Graphs needed are provided at the end of this document.
a Draw a PFD and label using solute free flowrates and mole ratios b Determine the minimum liquid solvent flowrate required Lmin
c Determine the equation of the operating line
d How many stages N are required to get the desired separation?
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