Analyze the following industrial processes from process control viewpoint by identifying the (i) control objective, (ii) control, manipulated, and disturbance variables, (iii) operating characteristics (i.e. whether it is batch, semibatch or continuous process), (iv) control structure (i.e. feedback and feedforward control). Draw the FB & FF control schemes for each process separately. [CLOI) Reactants Combustion products Impure blood Cooling medium Products Process Cracked products fluid Human patient Dialysis medium Cooling medium Crude oil Fuel Coolant out (a) Heat exchanger (6) Jacketed Chemical reactor (c) Cracking furnace Purified blood (d) Kidney dialysis unit Etching gases Electrode Nutrient Wood chips Plasma Coolant Coolant out in Products Products Products Products Steam NaOH Spent gases Wafer (e) Jacketed batch reactor (1) Fed-batch bioreactor (g) Wood chip digester () Plasma etcher