Consider the following biochemical reactor. The kinetics of the system is given by the following Monod model. HmaxS K, +S The rate of biomass produced is ri (units- mass of cells generated per unit volume per unit time) is proportional to the growth rate. Y is a yield factor and is the ratio of the rate of bio mass generated (per unit volume per unit time) divided the rate of substrate consumption. X denotes cell concentration, where = growth rate; S is substrate concentration; K, is a cons tant The feed flow rate contains only a single substrate (St). Flowrate F is constant and input and output densities are constant and reactor volume is constant. c) Derive the process model for this system and d) Identify the input, output and state variables as well as the parameters of the process