# NIT Jalandhar Sixth Sem Chemical Engineering Syllabus

**CH-302 Process System Analysis & Control [3 1 0 4]**

Introduction

Laplace Transform: Transforms of simple function, Transforms of Derivative, Initial value

theorem and Final value theorem, Transform of Integral

Response of First order system: Mercury thermometer & its transfer function, Forcing functions,

Liquid Level System, Liquid Level Process with constant flow out let, Linearization, Mixing tank &

R.C. Circuit

Response of First order system in series: Non interacting System, Interacting System

Higher order System: Transfer function of second order system, under damped System, Impulse

function, Sinusoidal function, Transportation lag

Control System: Components of control system, block diagram, Negative and Positive feed back,

Servo problem and Regulation Problem, Development of Block diagram

Controllers and final control element: Control Valve, Proportional controller, Integral & Derivative

controller, Comparison.

Closed Loop Transfer functions: Determination of transfer function

Transient response of control system: Proportional control for set point change, Proportional control

for load change, Proportional Integral control for load change, Proportional Integral Control for set

point change

Stability: Concept of stability, Stability Criteria, Routh test for stability

Introduction to frequency response: Bode diagram for first order, Bode diagram for proportional,

Integral and derivative control, Second order system

Control System Design by frequency response: Bode stability criteria, Gain and phase Margin,

Ziegler Nichols Controller settings,

Introduction to State-Space Methods: State Variables, State space description, selection of state

variables.

Books Recommended

1. Coughanower D R, “Process System Analysis and Control”, McGraw Hill, 2nd ed.

(1991)

2. Seborg, Edgar, and Mellichamp, “Process Dynamics & Control”, John Wiley 2nd. Ed.

(2004)

3. Harriot, “ Process Control”, Tata Mcgraw Hill (2000)

4. Stephanopoulos,” Chemical Process Control – An Introduction To Theory & Practice”,

Ist Ed., Prentice Hall of India Private Limited (2003 ).

5. Luyben W L, “Essentials Of Process Control” McGraw Hill (1997).

CH-304 Mass Transfer –II [3 1 0 4]

Mass Transfer equilibria for vapour – liquid, liquid – liquid, solid – liquid and solid- gas systems

Distillation : Raoult’s Law and Dalton’s law, partial vaporisation and partial condensation, relative

volatility, differential distillation & flash distillation, steam distillation, Lewis Sorel and McCabe

–Thiele methods & numerical, Ponchon Savarit method, Underwood and Fenske equations, total

reflux , minimum and optimum reflux ratios, multiple feeds and side streams

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Liquid – Liquid Extraction: Ternary phase diagrams & choice of solvent, single stage and

multistage cross current, co-current and counter current extraction operation for immiscible and

miscible solvents, related numerical problems, continuos contact extractors.

Leaching: Mass transfer in leaching, equipment for leaching, single stage and multistage cross

current, co-current and counter current leaching operations, related numerical problems

Adsorption: Introduction and the nature of adsorbent, adsorption equilibria, the Langmuir

isotherm , BET isotherm and Gibbs isotherm, potential theory and adsorption equipments.

Crystallization: Formation of nuclei, nuclei growth and properties of crystals, effect of impurities

on crystals formation, effect of temperature on solubility, caking of crystals, yield of crystals,

crystallisers, related numerical problems

Books Recommended

1. Geankopolis C J, “Transport Processes and Separation Process Principles”, Prentice Hall of

India, 4th Edition, Eastern Economy Edition (2004)

2. Treybal R E , “Mass Transfer Operations” 3rd ed. , McGraw Hill (1980)

3. McCabe W L and Smith J C “Unit Operations of Chemical Engineering”, McGraw Hill

(2001).

4. Coulson J M and Richardson J F “Chemical Engineering , Vol. 2, 5”, McGraw Hill (1999 )

5. Walter L, Badger & Julius T.Banchero “Introduction to Chemical Engineering”, McGraw

Hill (1997).

CH-306 Chemical Reaction Engineering – II [3 1 0 4]

Non Ideal Flow: Non ideal flow patterns, E,F &C Curve, Mean residence time, Models for non

ideal flow, N Tanks in series model, conversion in a reactor using RTD data .Heterogeneous

Process: Global rates of reaction, Types of Heterogeneous reactions Catalysis, The nature of

catalytic reactions, Mechanism of catalytic reactions. Physical Adsorption and Chemisorption :

Physical adsorption and Chemisorption, Adsorption isotherms, Assumptions,Rates of adsorption

isotherm, problems.

Solid Catalysts: Determination of surface area, Void volume and solid density, Pore volume

distribution, Theories of heterogeneous catalysis, Classification of catalysts, catalyst preparation,

Promoter and inhibitors, Catalysts Deactivation

Rate Equations for Fluid solid catalytic reactions: Rates of Adsorption, Surface reaction,

Desorption , Rate limiting step, Power Law, Langmuir Hishelwood rate, Eley Rideal mechanism ,

Packed bed reactor and fluidized bed reactor, Numerical Problems

Intra Pellet Mass Transfer : Gaseous diffusion in single cylindrical pore, Different modes of

diffusion: Bulk diffusion, Knudsen diffusion and surface diffusion, Diffusion in Liquids, Diffusion

in Porous Catalyst, Concepts of effective thermal conductivity and effective diffusivity,

Effectiveness factors

Reactors: Fixed Bed Catalytic Reactor, Single and multibed adiabatic reactors, Multitubular fixed

bed reactor

Introduction to Fluid Reactions: Kinetic Regimes for Mass Transfer and Reaction, Film

Conversion parameter, Clues to the kinetic Regime from solubility data, Clues to the Kinetic

Regime from equipment, Applications to design

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Books Recommended

1. Levenspiel O, “Chemical Reaction Engineering”, 3rd Ed, John Wiley & Sons, Singapore

(1999).

2. Fogler H Scott, “Elements of Chemical Reaction Engineering”, 3rd Ed, Prentice Hall Inc.

(1999).

3. Smith J M, “Chemical Engineering Kinetics” , McGraw Hill , 3rd ed. (1981).

4. Hill, C G, “Chemical Engineering Kinetics and Reactor Design”, John Wiley (1977).

5. Coulson J M and Richardson J F, “Chemical Engineering Volume 3”, Pergamon Press

(1999).

CH-312 Mass Transfer Laboratory [0 0 2 1]

1. To plot the ternary phase diagram for acetic-acid – water Toluene

2. To draw the tie line and to determine plait point for ternary system

3. To determine the diffusivity of acetone in air

4. To study the drying characteristics of the given wet material (Natural Convection)

5. To determine the Mass Transfer Coefficient for vaporization of naphthalene in air

6. To verify Rayleigh’s Equation for Batch distillation

7. To find HETP and HTU for packed distillation column

8. To purify turpentine oil having high boiling point using steam distillation

9. To determine VLE data for methanol –water and to compare it with literature data

10. To determine the mass transfer coefficient by carrying out liquid-liquid extraction in a

packed column using acetic acid- toluene-water system

11. To study the drying characteristics of the given wet material (forced convection)

12. To study the process of crystallization in an agitated batch crystallizer and to plot a

graph between weight of crystals Vs temp.

13. To find out mass transfer coefficient in a drop wise liquid –liquid extraction.

CH-314 Chemical Process Control [0 0 2 1]

and Reaction Engineering Laboratory

1. Determination of rate constant for saponification reaction in a batch reactor

2. Determination of porosity and sphericity of the given catalyst.

3. Study of RTD in a Packed bed reactor

4. Study of RTD in a Trickle bed reactor

5. To study the adsorption of acetic acid on charcoal and prove the validity of Freundlich and

Langmuir adsorption isotherm

6. To study the adsorption of oxalic acid on charcoal and prove the validity of Freundlich and

Langmuir adsorption isotherm

7. Determination the time constant of a given Mercury Thermometer.

8. Determination of time constant in a liquid level tank

9. Determination of time constant in a heated tank

10. To study the effect of proportional controller in a liquid level tank

11. To study the effect of proportional Integral controller in a liquid level tank

12. To study the effect of proportional – Integral and derivative controller in a liquid level tank.