Kinetics & Reactor Design
- ntroducing chemical reaction engineering and its wide applications in chemical industries, environment, bioprocesses and biotechnology; dependency of reactor design on different scientific areas including thermodynamics, chemical kinetics, fluid flow, heat and mass transfer, economic and ethics
- Definition of reaction rate, variable affecting the rate of reaction, classification of reactions, concentration-dependent term of a rate equation, single and multiple reactions, elementary and non-elementary reactions
- Comparison of theories for temperature dependent term of rate equations, activation energy, predictions of reaction rates from theories, searching for a mechanism, application of predicted values in design of chemical reactors
- Application of batch reactors in the determination of rate equations, integral and differential methods for analyzing kinetic data, constant density reaction systems, irreversible first and second order reaction rates, concept of zero-order reactions
- Rates of irreversible reactions in parallel, homogeneous catalyzed reactions, autocatalytic reactions, reactions in series; reversible first and second order reactions; reactions of shifting order
- Application of linear least square technique in determination of rate equations based on differential method of analysis of data; variable volume reacting systems, volume change coefficient, variable density zero, first and second order reactions
- Introduction to ideal reactor design; classification of reactors, batch and continuous flow reactors, advantages and disadvantages of different reactor types; set up of mass and energy balances for the reactor
- Design of single ideal reactors; batch reactors with constant and variable volume; presentation of design equations; power number, dimensional analysis; selection of impeller blades, impeller's rotational speed, reactor's dimensions, Reynolds number and Fraud number in agitated vessels
- Isothermal mixed (CSTR) reactor's design equation under steady state conditions; space time and space velocity; transient behavior of mixed reactors; application of mixed reactors in the determination of rate equations
- Design of isothermal tubular reactors with emphasis on plug flow reactor; presentation of performance equation; application of plug flow reactors in developing rate equations, residence time distribution (RTD) and mean residence time in flow reactors
- Size comparison of single reactors for nth order reactions ; dimensionless reaction rate group or reaction number; plug flow reactors in series and parallel; operating a number of plug reactors in parallel branches
- Equal size mixed reactors in series; comparison of performance of a series of equal size mixed reactors with a plug flow reactor in graphical form, mixed flow reactors of different size in series and parallel; minimization of the total volume of a series of mixed reactors for a specific reaction and a given final conversion
- Recycle reactor; recycle ratio; developing the performance equation; comparison of performance of recycle reactor with plug flow and mixed flow reactors; application of recycle reactors in autocatalytic reactions, optimization of recycle ratio and minimization of reactor's volume for auto catalytic reactions
- Design of reactors for multiple reactions; selection of reactors for parallel reactions; quantitative treatment of product distribution and of reactor size; instantaneous and overall fractional yield; best operating conditions for parallel reactions; selection of reactors for series reactions; quantitative treatment of product distribution and of reactor size for series reactions, successive irreversible reactions of different orders, reversible reactions in series or parallel
- Series-parallel reactions, qualitative discussion about product distribution; quantitative treatment of series-parallel reactions in plug flow or mixed flow reactors; graphical representation; non-isothermal batch, mixed and plug flow reactors; adiabatic operations of batch and flow reactors