The irreversible liquid phase reaction between reactants A and B to form products P and T is investigated in a laboratory continuous stirred tank reactor with volume equal to VR A+B PET A solution of A of concentration CA,sol and volumetric flowrate QA sol is mixed with a solution of B of concentration and volumetric flowrate Q8 sot forming a new solution that enters the reactor. A measuring instrument measures a property of the reactor outlet solution. Only reactant A and product P contribute to the measured property according to the calibration equation: G=LACA+2p Cp where G is the measured property of the solution in arbitrary units (a.u.), CA, Cp are the corresponding concentrations of components A and P in mol L and A. hp are the calibration factors with regard to the concentrations of A and P respectively. a) Derive a relationship for the individual outlet concentration of each component as a function of G and the process variables, QA sol, Q3,801, CA, sol, CB,sol and VR only. The relationship should include no other concentrations, 151 5
b) Derive also a relationship between reaction rater and G (no concentrations involved; only the concentrations already provided, Casol, CB,sol) [51 c) In order to estimate the reaction kinetics experiments were carried out at different flowrates of the two feed solutions of reactants A and B with corresponding concentrations Ca sol = 0.2 mol L’1 and CBsol = 0.2 mol L-1. The volume of the experimental reactor was VR=1 L. The values of the measured property G for each experiment are given below: Experiment 1 2 3 4 Volumetric Flow rate of solution A, Qa.sol /(L s-1) 0.010 0.015 0.020 0.025 of solution B, Q3,60 /(L s’) 0.010 0.015 0.020 0.025 Gx 10/a.u. 13.610 14.447 15.089 15.554 Using the results obtained from parts a) and b), calculate the corresponding values of reaction rate and reactant concentrations in all four experimental runs and present the results in the form of a table. From calibration measurements it was found that 20=0.195 and p = 0,070, [101 d) Assuming power law reaction kinetics and performing linear regression, estimate the total reaction order and the kinetic constant (reaction rate constant). Tabulate your calculation results and present the regression plot. 151 e) Explain your experimental strategy in order to estimate the individual reaction orders with regard to A and B, as well as the kinetic constant.

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