CX4103 Catalytic Reaction Engineering Syllabus:

CX4103 Catalytic Reaction Engineering Syllabus – Anna University PG Syllabus Regulation 2021

COURSE OBJECTIVES:

 To impart knowledge about catalyst and its characterization
 To gain knowledge about kinetic of heterogeneous catalytic reactions and design of reactors
 To create knowledge on transport processes with reactions catalyzed by solids
 To obtain knowledge on catalyst deactivation process.
 To gain knowledge about modeling of reactors.

UNIT I CATALYST AND ITS CHARACTERIZATION

General definition of catalysts, Design for catalysts – Primary constituents, secondary constituents; Catalyst supports. Methods of determining catalysts activity – static methods, Study of structure pore radii; Mercury porosimetry, determination of true and apparent densities of catalysts; Structural study of electron microscopy, determination of mechanical strength of catalysts-static methods, dynamic methods; Methods of thermal analysis.

UNIT II KINETICS OF HETEROGENEOUS CATALYTIC REACTIONS

Adsorption on Solid Catalysts. Rate Equations. Complex Catalytic Reactions. Experimental Reactors. Model Discrimination and Parameter Estimation. Sequential Design of Experiments. Physico chemical tests

UNIT III TRANSPORT PROCESSES WITH REACTIONS CATALYZED BY SOLIDS

Reaction of a component of a fluid at the surface of a solid. Mass and heat transfer resistances. Molecular-,Knudsen ,and surface diffusion in pores. Diffusion and reaction in a catalyst particle. Influence of diffusion limitations on the selectivity’s of coupled reactions. Criteria for the importance of intra-particle diffusion limitations. Multiplicity of steady states in catalyst particles. Diagnostic experimental criteria for the absence of internal and external mass transfer limitations. Non isothermal particles.

UNIT IV CATALYST DEACTIVATION

Types of Catalyst Deactivation. Kinetics of Catalyst Poisoning. Kinetics of Catalyst Deactivation by Coke Formation.

UNIT V THE MODELING OF CHEMICAL REACTORS

Approach. Aspects of Mass-, Heat- and Momentum Balances. Fixed bed catalytic reactors. Design and Modeling of Fixed Bed Reactors. Pseudo-homogeneous Models-The Basic One-Dimensional Model. One-Dimensional Model with Axial Mixing. Two-Dimensional Pseudo- homogeneous Models.One-Dimensional Model Accounting for Interfacial and Intra-particle Gradients. Two Dimensional Heterogeneous Models. Fluidized bed and transport reactors- Introduction. Technological Aspects of Fluidized Bed and Riser Reactors. Some Features of the Fluidization and Transport of Solids. Heat Transfer in Fluidized Beds. Modeling of Fluidized Bed Reactors. Modeling of a Transport of Riser Reactor. Catalytic Cracking of Vacuum GasOil.

TOTAL : 60 PERIODS

COURSE OUTCOMES:

The students will be able to
CO1: Understand properties and function of Catalyst
CO2: Apply the kinetics of heterogeneous reactions in the design of reactors
CO3: Apply the transport process in the design of reactors
CO4: Understand catalyst deactivation process and kinetics of catalyst poisoning
CO5: Design various types of heterogeneous Reactors

REFERENCES:

1. Charles G.Hill, JR. , An Introduction to Chemical Engineering Kinetics& Reactor Design, ,John Wiley&Sons,1977.
2. Octave Levenspiel,Chemical Reaction Engineering, John Wiley & Sons,3rd Edition,1999.
3. Gilbert F. Froment and Kenneth Bischoff, Chemical Reactor Analysis and Design, John Wiley&Sons,2nd Edition,1990.
4. H.Scott Fogler, Elements of Chemical Reaction Engineering, , Prentice Hall International Series,3rd Edition,2000.
5. Mark E. Davis and RobertJ.Davis, Fundamentals of Chemical Reaction Engineering, McGraw Hill,2003.