Syllabus - Chemical Reaction Engineering (CM-602)

Chemical Engineering

Chemical Reaction Engineering (CM-602)

VI-Semester

Unit-I

Classification of Reactions & Method of Analysis

Reaction rate, Variables affecting the rate, concept of reaction equillibria, order of reaction, theoretical study of reaction rates, collision and activated complex theory, Mechanism of reaction series, Parallel and consecutive reaction, autocatalytic reactions, chain reaction, polymerization reaction. Integral and differential method of analysis, variable volume reactions, total pressure method of kinetic analysis

Unit-II

Classification of Reactors & Multiple Reaction

Development of design equations for batch, semi batch, tubular and stirred tank reactor, Design of Isothermal and non-isothermal batch, CSTR, PFR, reactors. Combination of reactors, Reactors with recycle, yield and selectivity in multiple reactions. Continuous stirred tank and Plug flow reactors uniqueness of steady state in continuous stirred tank reactor, optimum temperature progression, thermal characteristics of reactors.

Unit-III

Non ideal Reaction & Heterogeneous Process

RTD dispersion model, Tank and series model, recycle model, segregated flow in mixed models, evaluation of RTD characteristics. Classification of catalysts, General mechanism of catalytic reactions surface area and pore size distribution Rate equation of fluid solid catalytic reactions, Hougen - Watson & Poinule law models, Procurement and analysis of kinetic data, kinetics of catalyst deactivation. Selectivity Reaction and diffusion in porous catalysts, Isothermal and non-isothermal effectiveness factors, Effect of intra-phase transport on yield, selectivity & poisoning, Global reaction rate.

Unit-IV

Design of catalytic reactors

Isothermal & adiabatic fixed bad reactor staged adiabatic reactors, Non isothermal, non adiabatic fixed bed reactors, Fluidized bed reactors, Slurry reactors, Trickle bed reactors.

Unit-V

Models and Regime for Fluids

Solid non-catalytic reactions, controlling mechanisms, Diffusion through gas film controls. Diffusion through ash layer controls, Chemical reaction controls, fluidized bed reactors with and without elutriation. Gas-liquid reactions and liquid-liquid reaction, Rate equation based on film theory, Reaction design for instantaneous reactions and slow reactions, Aerobic Fermentation, Application to Design Tools for Fast Reactions.

Course Objective

To apply knowledge from calculus, differential equations, thermodynamics, general chemistry, and material and energy balances to solve reactor design problems, To examine reaction rate data to determine rate laws, and to use them to design chemical reactors, To simulate several types of reactors in order to choose the most appropriate reactor for a given need, To design chemical reactors with associated cooling/heating equipment.

Practicals

To determine velocity rate constant of the hydrolysis of ethyl acetate by sodium hydroxide.
To study the rate constant of hydrolysis of an ester-catalyzed by acid.
Determine the rate constant and order of reaction between Potassium per sulphate and potassium iodide.
To study temperature dependency of rate constant, evaluation of activation energy and verification of Arrhenius law.
To study a consecutive reaction system (hydraulic model).
To study a parallel reaction system (hydraulic model).
To study a homogeneous reaction in a semi-batch reactor under isothermal conditions.
Study of non catalytic homogeneous saponification reaction in CSTR.
To study a non-catalytic homogeneous reaction in a plug flow reactor.
To study the residence time distribution behavior of a back mix reactor.
To study the RTD behavior of a tubular reactor.
To study the RTD behavior of a packed bed reactor.
To study the behavior of a continuous flow reactor system-three reactor in series.
To study the kinetics of thermal decomposition of calcium carbonate.
To study a homogeneous catalytic reaction in a batch reactor under adiabatic conditions.
Study of non catalytic saponification reaction in a tubular flow reactor.

Reference Books

Smith J.M; Chemical Engineering Kinetics; Mc Graw Hill.
Denbigh & Turner K.G; Chemical Reaction Theory an Introduction; United Press.
Copper & Jeffery’s GVJ; Chemical Kinetics and Reactor Engineering; Prentice Hall
Levenspiel O; Chemical Reaction Engg; Willey Eastern, Singapore.
Houghen Watson & Ragatz; Chemical Process Principles Part Iii; Asian Pub-House Mumbai
Fogler H.S; Elements of Chemical Reaction Engineering; PHI