ChE324 CHEMICAL REACTION ENGINEERING - II

Lectures: 4 Periods/Week Sessional Marks: 30
University Exam: 3 Hours University Examination Marks: 70


UNIT-I
Temperature and pressure effects: Single reaction and multiple reactions
Thermal characteristics and design of reactors: Batch reactor, PFR, CSTR under adiabatic conditions for first order irreversible reactions

UNIT-II
Non-ideal reactors: Residence time distribution of fluid in vessel, measurement of the RTD (Tracer Techniques), Characteristics of the RTD, RTD in ideal reactors, Reactor modeling with the RTD: Segregation model, the Tanks in series model, the Dispersion (plug flow) model for closed vessel. Concept of micro and macro mixing

UNIT-III
Introduction to design for heterogeneous reacting systems: Rate equations for heterogeneous reactions, contacting patterns for two phase systems.Fluid particle reactions: Selection of a model, un-reacted core model for spherical particles, rate of reaction for shrinking spherical particles, determination of rate controlling steps.

UNIT-IV
Heterogeneous catalysis: Catalyst properties, Estimation of surface area, pore volume, physical adsorption and chemisorptions, adsorption isotherms-Derivations of rate equations for various mechanisms with rate limiting steps(Adsorption, surface reactions, desorption controlling etc.,) Data analysis for heterogeneous catalytic reactors, isothermal packed bed (PFR) reactor design, Diffusion and reaction within porous solids: effectiveness factor and internal pore diffusing criteria for internal pore diffusing limitation.

Text Books

  1. Chemical Reaction Engineering, Levenspiel, Octave, 3rd edition, Wiley Eastern (UNIT-I to III )
  2. Chemical Engineering Kinetics, Smith J.M. McGraw Hill.(UNIT-IV)

Reference Books
  1. Elements of Chemical Reaction Engineering, Fogler, H.S., 2nd edition, PHI