2.) A membrane process is being designed to recover solute A from a dilute solution where C1 = 2.0 x 10 kg mol A/m' by dialysis through a membrane to a solution where C2 = 0.3 x 102 kg mol A/m'. The membrane thickness is 1.59 x 10" m, the distribution coefficient K 0.75, DAB 3.5 x 101 m/s in the membrane. The mass transfer coefficient kol is large and can be considered as infinite and kez = 2.1 x 10m/s 1.) Calculate the flux at steady state. (5 marks) ii.) Calculate the concentration at the membrane interface Czi. (5 marks) iii.) Calculate the concentration at the membrane interface Czis. (5 marks) iv.) Sketch and label the concentration profile for the system, two liquid films and a solid, when the mass transfer coefficient kel is large and infinite. (10 marks) Given that K. es - 4115 CL Git Czu Cai DAB KI NA = ke (C1 - 1) = (Cui - cz) = PM (Cu - C20) = kcz (Czi cz) Pm = Dapki L G-C2 1 ka PTV