Unit 1

Steps in heterogeneous reactions – bulk diffusion, internal diffusion, adsorption, desorption and surface reaction; Rate expressions for different steps in heterogeneous systems; Thiele modulus and effectiveness factor.

Flow regimes in Gas-Solid and Liquid-Solid systems; Estimation of overall mass transfer coefficient in heterogeneous systems; Design of packed-bed, fluidized bed, slurry and trickle bed reactors;

Unit 2

Relative rates of reaction and mass transfer in non-catalytic reactions in Gasliquid reactions – Hatta number; Effect of gas solubility on rate of reaction;

Models for fluid-solid reactions: Progressive conversion model and Shrinking core model; Rate controlling steps in fluid-solid non-catalytic systems; Reactor design for non-catalytic reactions.

Unit 3

1. Octave Levenspiel, Chemical Reaction Engineering, 3^rd Edition, John-Wiley & Sons Inc., 1999
2. Scott H. Fogler, Elements of Chemical Reaction Engineering, 3^rd Edition, PHI Limited, 2004
3. Peter Harriot, Chemical Reactor Design, Marcel and Dekker Inc., 2003
4. Froment, Bischoff and De Wilde, Chemical Reactor Analysis and Design, 3^rd Edition, JohnWiley & Sons Inc., 2011
5. Hugo A. Jakobsen, Chemical Reactor Modeling: Multiphase Reactive Flows, Springer-Verlag, 2008