3. A reaction vessel blends two chemicals in an exothermic reaction to produce a final product The reaction time is a function of the reactor temperature and is controlled by circulating chilled glycol in the jacket of the reactor. This process requires the design of appropriate controls to ensure consistent production of the desired product and rejection of common disturbances. Successful product is produced if the flow of chemical B is maintained at 20% of chemical A. The correct reaction is indicated by the correct temperature within the reactor and this must be controlled as precisely as possible to ensure the product is within specification. Changes in the purity of chemical B are to be expected and will cause changes in reaction rate (faster reaction more heat produced, slower reaction less heat produced). Changes in the coolant temperature at the outlet of the jacket reflect changes in the reaction Changes in the incoming temperature of the chilled glycol are also to be expected, Design a control system for this application. Justify your choice of control strategies. Chemical B M = 303 FC Chemical A Glycol Coolant return to Central Chiller Reaction Vessel Glycol Coolant from Plant's Central Chiller I FO Jacket for Coolant to Circulate around Vessel Product