Dr. Pradeep Ahuja

Professor
Department/School/Unit Name
Department of Chemical Engineering & Technology
Phone No(s): 0542-716-5209
Email: pahuja.che@iitbhu.ac.in
Area of Interest: Modelling and Simulation, Thermodynamics and Kinetics, Numerical Methods in Chemical Engineering

BTech (1991) Chemical Engineering, IT-BHU

MTech (1993) Energy Studies, IIT-Delhi

PhD (1996) Chemical Engineering, IT-BHU.

 

Excellence in Teaching Award of IIT (BHU) for the session 2016-17

AICTE CAREER AWARD FOR YOUNG TEACHERS, 1999

 

Pradeep Ahuja, Chemical Engineering Thermodynamics, PHI Learning, New Delhi

https://play.google.com/store/books/details/Pradeep_Ahuja_Chemical_Engineering_Thermodynamics?id=m7YS86cN2k4C

 

Pradeep Ahuja, Introduction to Numerical Methods in Chemical Engineering, 2nd Edition, PHI Learning, New Delhi

https://play.google.com/store/books/details/AHUJA_PRADEEP_INTRODUCTION_TO_NUMERICAL_METHODS_IN?id=IpipDwAAQBAJ

 

BTech FIRST YEAR FIRST SEMESTER 2023-24

Course: CHO 103 PROCESS CALCULATIONS

Number of students: 196

Sole instructor: Dr. Pradeep Ahuja

Feedback: 8.79

 

BTech FIRST YEAR SECOND SEMESTER 2023-24

Course: CHE 201 CHEMICAL ENGINEERING THERMODYNAMICS

Number of students: 172

Sole instructor: Dr. Pradeep Ahuja

Feedback: 9.4

 

 

BTech FIRST YEAR FIRST SEMESTER 2024-25

Course: CHO 103 PROCESS CALCULATIONS

Number of students: 206

Sole instructor: Dr. Pradeep Ahuja

 

Excellence in Teaching Award of IIT (BHU) for the session 2016-17

AICTE Career Award for Young Teachers for the year 1999

Ph.D. Thesis Supervised
Dr. Dhananjay Kumar, Synthesis and Characterization of Some Zeolites, 2000
 

M.Tech. Dissertations Supervised

Mr. Manish Kumar Rungta, Effect of stirring on mesoporous zeolite synthesis, 2000
Mr. Ritesh Kumar Rathod, Monte Carlo simulation of adsorption on zeolites, 2001
Mr. Atin Varshney, Adsorption of hydrocarbons on ZSM-5 in a packed bed, 2001
Mr. T. Umasankar Patro, Catalytic conversion of HDPE over microporous and mesoporous zeolite catalysts, School of Materials Sc. and Tech., 2001
Ms. Ronita Acharya, A modified two phase model of a fluidized bed, 2002
Mr. Vivek Agrawal, Monte Carlo simulation of diffusion in zeolites, 2002
Mr. Viswas Yadu, Analysis of deterministic chaos in a fluidized bed, 2002
Mr. Anadi K. Sethi, Confirmation of chaos in a fluidized bed, 2002
Mr. Utpal Raj, Chaotic analysis of pressure fluctuations in a gas-solid fluidized bed, 2003
Mr. Sunil Kumar, Synthesis of zeolite ZSM-5 using fly ash, School of Materials Sc. and Tech., 2003
Mr. Balwinder Singh, Catalytic degradation of HDPE in a fixed bed reactor, 2003
Ms. Hemalatha Kilari, Application of simple genetic algorithms in optimization of heat exchanger, chemical kinetics and reactor design, 2004
Mr. Jadeja Girirajsinh Chandra, Catalytic conversion of aqueous ethanol to hydrocarbons, 2004
Mr. Shivaraj Deshmukh, Catalytic pyrolysis of polyolefins solution in a fixed bed reactor, 2004
Mr. Sanjay Singh, Deactivation and Reactivation of Catalysts in a fluidized catalytic cracking unit, 2004
Mr. Patel Atulkumar Rameshbhai, Conversion of heavy oils to quality fuels over zeolite catalysts, 2005
Mr. Ravi Babu Kuda, Preparation and catalytic applications of zeolite coated ceramic materials, 2006
Mr. Jaydeep Balajee, CFD Modelling for Fluidized Bed using Kinetic Theory
Approach
, 2007
Mr. Kshitij Kaushik, Modelling and Simulation of Batch and Continuous Fluidized Bed Dryer, 2008
Mr. Balajee Potnuru, Modelling and Simulation of Pneumatic Dryers, 2008
Mr. Sujan Kumar Bashapaka, CFD study of Trickle bed reactor: hydrodynamics and heat transfer studies, 2009
Ms. V.S.S. Meenakshi Madhuri, CFD studies on particle-to-fluid mass and heat transfer in a packed bed reactor, 2009
Mr. Kasim Ali, CFD study of bubble column flow, 2010
Mr. Ravindra Babu Yenugu, Simulation Studies on Kinetic Model for Dimethyl Ether Synthesis, 2011
Mr. Srichakra Sandeep V, Simulation Studies on Kinetic Model for the transformation of Bioethanol into olefins, 2011
Ms. Bandana Kumari, Modelling of RTD for various equipment used in food technology, 2012
Mr. Rasheed, Modelling of selective catalytic reduction of NOx, 2012
Ms. Lipika Parida, A model for the coupling of endothermic and exothermic reactions in stirred vessel and tubular reactor, 2012
Mr. Anshumant Kumar, Solution of Partial Differential Equations using MOL and ADI methods, 2013
Mr. Rohit Pratap Singh Kushwah, Design of Fixed Bed Reactor using MATLAB, 2013
Mr. Tarun Kumar Dixit, Heat Exchanger Network Synthesis using GAMS, 2013
Mr. Ashwani Kumar, One-dimensional pseudo-homogeneous model of packed bed catalytic reactor, 2014
Mr. Himanshu Tiwari, One-dimensional heterogeneous Model of Packed Bed Catalytic Reactor, 2014
Mr. K.S.S. Saikrishna, Modelling and Simulation of Biomass Pyrolysis in a Fluidized Bed Reactor, 2015
Mr. Bante Rahul Shankarrao, Mathematical Modelling and Simulation of Fixed Bed Catalytic Reactor, 2015
Mr. Ashish Kumar, Simulation of Ethylbenzene Dehydrogenation into Styrene in a Packed bed Reactor, 2016
Mr. Ashish Kumar Pandey, Simulation of catalytic steam reforming of methane mixture with propylene in a packed bed reactor, 2017
 

Dr. Pradeep Ahuja, Chemical Engineering Thermodynamics, PHI Learning, New Delhi, 2009, 698 pages.

Dr. Pradeep Ahuja, Solution Manual for Chemical Engineering Thermodynamics, PHI Learning, New Delhi, 2009, 180 pages

Dr. Pradeep Ahuja, Introduction to Numerical Methods in Chemical Engineering, PHI Learning, New Delhi, 2010, 289 pages.

Dr. Pradeep Ahuja, Introduction to Numerical Methods in Chemical Engineering, SECOND EDITION, PHI Learning, New Delhi, 2019, 503 pages.

 

MORE INFORMATION ON TEXTBOOKS WRITTEN BY Pradeep Ahuja

Dr. Pradeep Ahuja, CHEMICAL ENGINEERING THERMODYNAMICS, PHI Learning, New Delhi, 2009, 698 pages

https://www.phindia.com/Books/BookDetail/9788120336377/chemical-engineering-thermodynamics-ahuja

Dr. Pradeep Ahuja, INTRODUCTION TO NUMERICAL METHODS IN CHEMICAL ENGINEERING, Second Edition, PHI Learning, New Delhi, 2019, 503 pages

https://www.phindia.com/Books/BookDetail/9789389347166/introduction-to-numerical-methods-in-chemical-engineering-ahuja

 

Dr. Pradeep Ahuja, CHEMICAL ENGINEERING THERMODYNAMICS, PHI Learning, 2009, 698 pages

Chapter 1: Introduction

1.1 EquilibriumState and Steady State

1.2 Systems and Surroundings

1.3 Processes

1.4 Internally Reversible Process

1.5 About Steam Tables

1.6 Degrees of Freedom

1.7 Total Volume and Molar / Specific Volume

1.8 Dryness Fraction

1.9 Extensive and Intensive Properties

1.10 Non-flow and Flow Processes

1.11 Work Done During Internally Reversible Non-Flow Process

1.12 State and Path Functions

1.13 Useful Work

1.14 Gauge and Vacuum Gauge Pressures

1.15 Mechanical Energy of a Fluid

1.16 T-V Diagram of a Pure Substance

1.17 P-V Diagram of a Pure substance

1.18 P-T Diagram of a Pure substance

1.19 Boiling Point of a Pure Substance

1.20 Internal Energy and Enthalpy

1.21 Heat Capacities

1.22 Enthalpy of Compressed Liquid

1.23 Roots of Nonlinear Equation

Summary

Exercises

Chapter 2: Equations of State

2.1 Virial Gas Equation of State

2.2 Law of Corresponding States

2.3 Acentric Factor

2.4 Molar Volume Calculations Using Virial Equation of State

2.5 Virial Equation of State for Binary Mixtures

2.6 Conclusions of Virial Equation of State

2.7 Cubic Equations of State

2.8 van der Waals Equation of State

2.9 Redlich-Kwong Equation of State

2.10 Cubic Equation of State in Cubic Form

2.11 Cubic Equation of State for Binary Mixtures

Summary

Exercises

Chapter 3: The First Law and Its Applications

3.1 Constant Pressure Process

3.2 Constant Volume Process

3.3 Constant Temperature Process

3.4 Adiabatic Process

3.5 Polytropic Process

3.6 Steady Flow Process

3.7 Work done in a Flow Process

3.8 Bernoulli’s Equation

3.9 Nozzles and Diffusers

3.10 Turbines and Compressors

3.11 Polytropic Flow Process

3.12 Multistage Compression with Intercooling

3.13 Transient Flow Process

3.14 Uniform Flow Process

3.15 Charging Process

3.16 Charging Process with Boundary Work

3.17 Discharging Process

Summary

Exercises

Chapter 4: The Second Law and Its Applications

4.1 Carnot Cycle (P-V Diagram)

4.2 Clausius Inequality

4.3 Reversible and Irreversible Processes

4.4 Second Law Statements

4.5 Limitations of the First Law of Thermodynamics

4.6 Entropy Change of an Irreversible Process

4.7 Reversible and Irreversible Expansion at Constant Temperature

4.8 Irreversibility Due to Heat Transfer over Temperature Difference

4.9 Increase of Entropy Principle

4.10 Entropy Change of an Ideal Gas

4.11 Entropy Change for Liquids and Solids

4.12 Why Carnot Cycle is Reversible

4.13 The Criteria of Equilibrium

4.14 Entropy Balance for Control Volumes

4.15 Adiabatic Efficiency of Some Steady-flow Devices

4.16 Statistical Interpretation of Entropy

Summary

Exercises

Chapter 5: Exergy (Availability)

5.1 Exergy of Heat

5.2 First and Second Law Efficiency of a Heat Engine

5.3 Reversible Useful Work of Non-Flow Processes

5.4 Exergy of Non-flow Process

5.5  versus Reversible Work for Non-flow process

5.6 Irreversibility of Non-Flow Process

5.7 Reversible Useful Work of Non-Flow Processes while Exchanging Heat with a Reservoir

5.8 Reversible Work of Steady-Flow Processes

5.9 Irreversibility of Heat Exchangers

Summary

Exercises

Chapter 6: Chemical Reactions

6.1 Standard Enthalpy Change of Reaction

6.2 StandardState

6.3 Standard Enthalpy Change of Reaction and Heat Exchange with Surroundings

6.4 Heat of Reaction in Case of Incomplete Conversion and Excess Reactants Under Isothermal Conditions

6.5 About Basic Elements and Molecules

6.6 Standard Enthalpy Change of Reaction as a Function of Temperature

6.7 Standard Entropy Change of Reaction as a Function of Temperature

6.8 Standard Gibbs Free Energy Change of Reaction as a Function of Temperature

6.9 Gas Phase Reactions

6.10 Gas-Solid Reactions

Summary

Exercises

Chapter 7: Thermodynamic Property Relations of Pure Substances

7.1 Partial Derivatives and Associated Relations

7.2 Maxwell Relations

7.3 General Equation for dU

7.4 General Equation for dH

7.5 General Equation for dS

7.6 Volume Expansivity and Isothermal Compressibility

7.7 General Equations for Heat Capacities

7.8 The Joule-Thomson Coefficient

7.9 The Clapeyron Equation

7.10 Application of Stability Criteria to Cubic Equations of State

7.11 Residual Property

7.12 Calculation of  and

7.13 Fugacity

7.14 Fugacity of Superheated Steam, Saturated Steam and Compressed Liquid

Summary

Exercises

Chapter 8: Thermodynamic Cycles

8.1 Carnot Cycle

8.2 Rankine Cycle

8.3 Coefficient of Performance

8.4 Reversed Carnot Cycle

8.5 Vapour-Compression Refrigeration Cycle

8.6 Ammonia-Absorption Refrigeration Cycle

8,7 Linde-Hampson Liquefaction Cycle

8.8 Claude Liquefaction Cycle

Summary

Exercises

Chapter 9: General Residual Property Relations

9.1 General Residual Enthalpy Relation for Z(T,P) type Equation of State

9.2 General Residual Internal Energy Relation for Z(T,P) type Equation of State

9.3 General Residual Entropy Relation for Z(T,P) type Equation of State

9.4 General Residual Gibbs Free Energy Relation for Z(T,P) type Equation of State

9.5 General Fugacity Relation for Z(T,P) type Equation of State

9.6 General Residual Internal Energy Relation for Z(T,V) type Equation of State

9.7 General Residual Enthalpy Relation for Z(T,V) type Equation of State

9.8 General Residual Entropy Relation for Z(T,V) type Equation of State

9.9 General Residual Gibbs Free Energy Relation for Z(T,V) type Equation of State

9.10 General Fugacity Relation for Z(T,V) type Equation of State

Summary

Exercises

Chapter 10: Residual Properties by Equations of State

10.1 Residual Property Relations for

10.2 Calculation of  for Virial Gas Equation of State

10.3 Fugacity of Saturated and Compressed Liquid (Vapour Following Virial Gas EOS)

10.4 Residual Property Relations for

10.5 Residual Property Relations for van der Waals Equation of State

10.6 Residual Property Relations for Redlich-Kwong Equation of State

10.7 Residual Property Relations for Peng-Robinson Equation of State

10.8 Calculation of  for Peng-Robinson Equation of State

10.9 Vapour-Pressure of a Pure Substance Using a Cubic EOS

Summary

Exercises

Chapter 11: Properties of a Component in a Mixture

11.1 Partial Molar Properties

11.2 Gibbs-Duhem Equation at Constant T and P

11.3 Gibbs Theorem and Ideal Mixtures

11.4 Chemical Potential

11.5 Fugacity of a Component in an Ideal Mixture

11.6 Residual Property of a Mixture

11.7 Residual Property of a Component in a Mixture

11.8 Excess Property of a Mixture

11.9 Excess Property of a Component in a Mixture

11.10 Comparison of Residual and Excess Properties

11.11 Difference between Activity and Activity Coefficient

Summary

Exercises

Chapter 12: Partial Molar Volume and Enthalpy from Experimental Data

12.1 Calculation of Partial Molar Properties from Mixture Property Data

12.2 Calculation of Partial Molar Properties from Property Change of Mixing Data

12.3 Experimental Determination of Partial Molar Volume

12.4 Experimental Determination of Partial Molar Enthalpy

Summary

Exercises

Chapter 13: Fugacity of a Component in a Mixture by Equation of State

13.1  by Virial Equation of State

13.2 General Equation of  for Z(T,V) type Equations of State

13.3  by Virial Equation of State

13.4  by van der Waals Equation of State

13.5  by Redlich-Kwong Equation of State

13.6  by Peng-Robinson Equation of State

Summary

Exercises

Chapter 14: Activity Coefficient Models of Liquid Mixtures

14.1 One-parameter (Two-suffix) Margules Equations

14.2 Two-parameter (Three-suffix) Margules Equations

14.3 van Laar Equations

14.4 Local Composition Models

14.5 UNIFAC Method

14.6 van Laar Model and van der Waals Equation of State

14.7 Scatchard – Hildebrand Model

14.8 Activity Coefficients and StandardStates

14.9 Electrolyte Solutions

14.10 Flory – Huggins Model

14.11 Derivatives of Excess Gibbs Free Energy

Summary

Exercises

Chapter 15: Vapour-Liquid Equilibria

15.1 Phase Equilibrium Criteria

15.2 Phase Rule

15.3 Txy Diagram of Binary VLE Mixtures

15.4 Pxy Diagram of Binary VLE Mixtures

15.5 PT Diagram of Binary VLE Mixtures

15.6 Phase Diagram of Binary VLE Mixtures Near Critical Conditions

15.7 Deviations from Raoult’s Law

15.8 Phase Diagram of Azeotropic Mixtures

15.9 Raoult’s Law

15.10 Raoult’s Law: Given Liquid Phase Composition

15.11 Raoult’s Law: Given Vapour Phase Composition

15.12 Raoult’s Law: Flash

15.13 Construction of Txy and Pxy Diagrams

15.14 Modified Raoult’s Law

15.15 Modified Raoult’s Law: Given Liquid Phase Composition

15.16 Modified Raoult’s Law: Given Vapour Phase Composition

15.17 Modified Raoult’s Law: Flash

15.18 Calculation of Activity Coefficient Parameters from VLE Data

15.19 Azeotrope Calculations using Modified Raoult’s Law

15.20 Calculation of Activity Coefficient Parameters from Azeotrope Data

15.21 VLE using Cubic Equations of State

Summary

Exercises

Chapter 16: Other Phase Equilibria

16.1 Henry’s Law

16.2 Phase Separation Criteria

16.3 Liquid-Liquid Equilibrium

16.4 Vapour-Liquid-Liquid Equilibrium

16.5 Solid-Liquid Equilibrium

16.6 Freezing Point of a Liquid Mixture

16.7 Boiling Point of a Liquid Mixture

16.8 Osmotic Equilibrium

16.9 Solid-Vapour Equilibrium

Summary

Exercises

Chapter 17: Chemical Reaction Equilibria

17.1 Reaction Coordinate and Equilibrium Constant

17.2 Gas-Phase Reaction Equilibrium

17.3 Equilibrium Constant as a Function of Temperature

17.4 Liquid-Phase Reaction Equilibrium

17.5 Solid-Gas Reaction Equilibrium

17.6 Standard Equilibrium Voltage of a Fuel Cell

17.7 Degrees of Freedom in a System with Chemical Reaction

17.8 Multireaction Chemical Equilibrium

Summary

Exercises

Chapter 18: Adiabatic Reaction Temperature

18.1 ART Calculation

18.2 Maximum Explosion Pressure

18.3 ART and Equilibrium Composition Calculation

Summary

Exercises

 

 

Dr. Pradeep Ahuja, INTRODUCTION TO NUMERICAL METHODS IN CHEMICAL ENGINEERING, Second Edition, PHI Learning, 2019, 503 pages

PART I: GENERAL CHEMICAL ENGINEERING

1 Linear Algebraic Equations

1.1 Tri-Diagonal Matrix Algorithm

1.2 Gauss Elimination Method

1.3 Gauss-Seidel Method

Exercises

2 Nonlinear Algebraic Equations

2.1 Newton’s Method

2.2 Pressure Drop in a Pipe

2.3 Minimum Fluidization Velocity

2.4 Terminal Velocity

2.5 System of Nonlinear Equations

Exercises

3 Chemical Engineering Thermodynamics

3.1 Solution of Cubic Equations of State

3.2 Bubble Point and Dew Point Temperature using Raoult’s Law

3.3 Flash Calculations using Raoult’s Law

3.4 Bubble Point and Dew Point Calculations using modified Raoult’s Law

3.5 Flash Calculations using modified Raoult’s Law

3.6 Vapour Pressure using Cubic Equation of State

3.7 P-x-y Diagram using Gamma-Phi Approach

3.8 P-x-y Diagram using Cubic Equation of State

3.9 Chemical Reaction Equilibrium-Two Simultaneous Reactions

3.10 Adiabatic Flame Temperature

Exercises

4 Initial Value Problems

4.1 Solution of Single Ordinary Differential Equation

4.2 Double Pipe Heat Exchanger

4.3 Stirred Tank with Coil Heater

4.4 Pneumatic Conveying

4.5 Solution of Simultaneous Ordinary Differential Equations

4.6 Series of Stirred Tanks with Coil Heater

4.7 Initial Value Problems in Chemical Reaction Engineering

4.8 Batch and Stirred Tank Reactors

4.9 Plug Flow Reactor

4.10 Nonisothermal Plug Flow Reactor

Exercises

5 Boundary Value Problems

5.1 Discretization in One-Dimensional Space

5.2 One-Dimensional Steady Heat Conduction

5.3 Chemical Reaction and Diffusion in a Pore

Exercises

6 Convection–Diffusion Problems

6.1 Upwind Schemes

6.1.1 First-order upwind scheme

6.1.2 Second-order upwind scheme

6.2 Comparison of CDS and UDS

Exercises

7 Tubular Reactor with Axial Dispersion

7.1 Boundary Value Problems in Chemical Reaction Engineering

7.2 First Order Reaction

7.3 Second Order Reaction

7.4 Multiple Reactions

Exercises

8 Chemical Reaction and Diffusion in a Spherical Catalyst Pellet

8.1 First Order Reaction

8.2 Second Order Reaction

8.3 Non-isothermal Conditions

Exercises

9 One–Dimensional Transient Heat Conduction

9.1 Classification of Partial Differential Equations

9.2 Explicit and Implicit Discretization

9.3 Crank-Nicolson Discretization

9.4 Von Neumann Stability Analysis

9.5 Transient Conduction in a Rectangular Slab

9.6 Transient Conduction in a Cylinder

9.7 Transient Conduction in a Sphere

9.8 Transient Diffusion in a Sphere

Exercises

10 Two–Dimensional Steady and Transient Heat Conduction

10.1 Discretization in Two-Dimensional Space

10.2 Gauss-Seidel Method

10.3 Relaxation Parameter

10.4 Red-Black Gauss-Seidel Method

10.5 ADI Method for Steady Heat Conduction

10.6 ADI Method for Transient Heat Conduction

Exercises

PART II: FIXED BED CATALYTIC REACTORS

11 Plug Flow Reactors

11.1 Material Balance

11.2 Pressure Drop in a Fixed Bed Catalytic Reactor

Exercises

12 Fixed Bed Catalytic Reactors

12.1 Multiple Reactions in a Catalytic Pellet

12.2 Multiple Reactions in FBCR

Exercises

PART III: MULTICOMPONENT DISTILLATION

13 Isothermal Flash

13.1 Liquid-Liquid Isothermal Flash

13.2 Vapour-Liquid-Liquid Isothermal Flash

Exercises

14 Adiabatic Flash

14.1 Calculations using Raoult’s Law

14.2 Calculations using Modified Raoult's Law

Exercises

15 Bubble Point Method for Distillation

15.1 Calculations using Raoult’s Law

15.2 Calculations using Modified Raoult's Law

Exercises

16 Theta Method for Distillation

16.1 Calculations using Raoult’s Law

16.2 Calculations using Modified Raoult's Law

Exercises

17 Naphtali Sandholm Method for Adiabatic Flash

17.1 Calculations using Raoult’s Law

17.2 Calculations using Modified Raoult's Law

Exercises

18 Naphtali Sandholm Method for Distillation

18.1 Calculations using Raoult’s Law

18.2 Calculations using Modified Raoult's Law

Exercises

Appendix: Programs in C++

 

Programs in C++ in the book

Dr. Pradeep Ahuja, INTRODUCTION TO NUMERICAL METHODS IN CHEMICAL ENGINEERING, Second Edition, PHI Learning, 2019, 503 pages

S.No.

Program

Title

1

1.1

Program for solution of Tri-diagonal Equations

2

1.2

Program for solution of Linear Algebraic Equations by Gauss Elimination Method

3

1.3

Program for solution of Linear Algebraic Equations by Gauss-Seidel Method

4

2.1

Program to solve for Pressure Drop in a Pipe (Nonlaminar Case)

5

2.2

Program to solve for Minimum Fluidization Velocity

6

2.3

Program to solve for Terminal Velocity

7

2.4

Program for solution of Two Simultaneous Nonlinear Equations

8

3.1

Program to calculate the Molar Volume in Liquid and Vapor Phases at given Temperature and Pressure

9

3.2

Program to calculate the Bubble Point Temperature and Dew Point Temperature of a Mixture of given composition assuming the Raoult's law to be true

10

3.3

Program to calculate the Compositions of Vapor and Liquid phases at given temperature and pressure under Flash conditions assuming Raoult's law to be true

11

3.4

Program to calculate the Bubble Point Pressure, Bubble Point Temperature, Dew Point Pressure and Dew Point Temperature of a mixture of given composition assuming the modified Raoult's law to be true

12

3.5

Program to calculate the Compositions of Vapor and Liquid phases at given temperature and pressure under Flash conditions assuming Modified Raoult's law to be true

13

3.6

Program to calculate the Vapor Pressure at given temperature using the Peng-Robinson equation of state by comparing the Fugacities of liquid and vapor phases

14

3.7

Program to calculate the Bubble Point Pressure using Gamma-Phi approach

15

3.8

Program to calculate the Bubble Point Pressure using Peng-Robinson cubic equation of state

16

3.9

Program for solution of Two Simultaneous Chemical Reactions in Chemical Equilibrium

17

3.10

Program to calculate the Adiabatic Flame Temperature (AFT) for a fuel

18

4.1

Program to solve Ordinary Differential Equation by Runge-Kutta method

19

4.2

Program to determine Velocity of a Particle in a Pneumatic Conveyor

20

4.3

Program to solve Two Simultaneous Ordinary Differential Equations by Runge-Kutta method

21

4.4

Program to solve Three Simultaneous Ordinary Differential Equations by Runge-Kutta method

22

4.5

Program to solve Three Simultaneous Ordinary Differential Equations for the reaction  by Runge-Kutta method

23

4.6

Program to solve Four Simultaneous Ordinary Differential Equations for the reactions  and  by Runge-Kutta method

24

4.7

Program to solve Ordinary Differential Equations in a Non-isothermal Tubular Reactor by Runge-Kutta method

25

7.1

Program to calculate Concentration Profile in a Tubular Reactor with Axial Dispersion (Second order reaction)

26

7.2

Program to calculate Concentration Profile in a Tubular Reactor with Axial Dispersion in which Two Parallel Reactions takes place

27

8.1

Program to calculate Concentration Profile along the Radius for Reaction-Diffusion in a Spherical Catalyst Pellet (Second order reaction)

28

8.2

Program to calculate Concentration Profile along the Radius for Reaction-Diffusion in a Spherical Catalyst Pellet (Non-isothermal, beta=1)

29

9.1

Program to calculate Temperature Profile in a Rectangular Slab during Transient Heat Conduction

30

9.2

Program to calculate Concentration Profile in a Sphere during Transient Diffusion of Drug from Spherical Pellet

31

10.1

Program to calculate Temperature Profile in a Two-dimensional body during Steady Heat Conduction using Gauss-Seidel method

32

10.2

Program to calculate Temperature Profile in a Two-dimensional body during Steady Heat Conduction using ADI method

33

10.3

Program to calculate temperature profile in a Two-dimensional body during Transient Heat Conduction using ADI method

34

11.1

Program for Single Gas Phase Reaction in a PFR

35

11.2

Program for Multiple Gas Phase Reactions in a PFR (4 components)

36

11.3

Program for Multiple Gas Phase Reactions in a PFR (5 components)

37

11.4

Program for Single Gas Phase Reaction in a Non-isothermal PFR

38

11.5

Program for Pressure Drop in a Fixed Bed Catalytic Reactor

39

12.1

Program for Diffusion and Reversible Reaction in a Catalytic Pellet

40

12.2

Program for Diffusion and Multiple Reactions in a Catalytic Pellet

41

12.3

Program for Fixed Bed Catalytic Reactor with Multiple Reactions

42

13.1

Program for Liquid-Liquid Isothermal Flash

43

13.2

Program for Vapor-Liquid-Liquid Isothermal Flash

44

14.1

Program for Adiabatic Flash using Wilson model

45

15.1

Program for Bubble Point Method of Distillation using Wilson model

46

16.1

Program for Theta Method of Distillation using Wilson model

47

17.1

Program for Naphtali Sandholm method of Adiabatic Flash using Wilson model

48

18.1

Program for Naphtali Sandholm method of Distillation using Wilson model (uses fsolve of MATLAB)

Dr. Pradeep Ahuja, CHEMICAL ENGINEERING THERMODYNAMICS, PHI Learning, 2009, 698 pages

https://www.phindia.com/Books/BookDetail/9788120336377/chemical-engineering-thermodynamics-ahuja

Dr. Pradeep Ahuja, INTRODUCTION TO NUMERICAL METHODS IN CHEMICAL ENGINEERING, Second Edition, PHI Learning, 2019, 503 pages

https://www.phindia.com/Books/BookDetail/9789389347166/introduction-to-numerical-methods-in-chemical-engineering-ahuja

I completed my B.Tech. in Chemical Engineering from IT-BHU in 1991. I completed my MTech in Energy Studies from IIT Delhi in 1993. After submitting my Ph.D. thesis at Chemical Engineering IT-BHU in June 1996 I joined Lecturer Chemical Engineering at Shri Vile Parle Kelavani Mandal’s D.J. Sanghvi College of Engineering, Vile Parle Mumbai and thereafter joined Lecturer in Chemical Engineering IT-BHU in 1997. I wrote two books published by PHI Learning in 2009 (chemical engineering thermodynamics) and 2010 (introduction to numerical methods in chemical engineering) respectively and I got promoted to professor in Chemical Engineering IT-BHU in 2010. Thereafter I continued to work on the applications of numerical methods in fixed bed catalytic reactor (solving problems involving multiple reactions of diffusion and reaction in catalytic pellets) and multicomponent distillation (bubble point method, theta method, Naphtali Sandholm method with vapour liquid equilibrium involving modified Raoult’s law, activity coefficients calculated using Wilson model) and wrote second edition of introduction to numerical methods in chemical engineering book published by PHI Learning in 2019. Presently also I continue to work on solving computer-oriented problems in chemical engineering using numerical methods.

PRADEEP AHUJA, Ph.D., is Professor in the Department of Chemical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi. He has more than 26 years of experience in teaching chemical engineering at B.E./B.Tech level. Dr. Ahuja is a recipient of the AICTE Career Award for Young Teachers. Also, he has been honoured with the Excellence in Teaching Award of IIT (BHU) for the session 2016-17. His area of interest is modelling and simulation; thermodynamics and kinetics; and application of numerical methods in chemical engineering.

AICTE Career Award for Young Teachers project completed in 2003. AICTE sanction letter F. 1-52/CD/CA(54)/98-99 dated 28 May 1999. BHU project code P 41/02. Amount sanctioned 3 lakhs. Project title Chaotic analysis of pressure fluctuations in a gas fluidized bed. Year of completion 2003. Principal Investigator Dr. Pradeep Ahuja.

DST SERC Fast Track Project completed in 2008. DST sanction letter SR/FTP/ETA-15/2004 dated 24 May 2005. BHU project code M-48-66. Amount sanctioned 9.12 lakhs. Project title Synthesis of zeolite coated beads and monoliths for catalytic applications. Year of compltion 2008. Principal Investigator Dr. Pradeep Ahuja. DST comments Project objectives achieved. Good work.

Theory courses taught since 2015-16

2015-16 odd

Chemical Engineering Thermodynamics

B.Tech. Sem. III

2015-16 even

Multicomponent Distillation

B.Tech. Sem. VIII

2016-17 odd

Chemical Engineering Thermodynamics

B.Tech. Sem. III

2016-17 even

Fluid Mechanics

B.Tech. Sem. II

2017-18 odd

Chemical Engineering Thermodynamics

Mathematical Methods in Chemical Engineering

B.Tech. Sem. III

M.Tech. Sem. I

2017-18 even

Reactor Analysis and Design

B.Tech. Sem. VIII

2018-19 odd

Chemical Engineering Thermodynamics

Mathematical Methods in Chemical Engineering

B.Tech. Sem. III

M.Tech. Sem. I

2018-19 even

Fluid Mechanics

Modelling, Simulation and Optimization

B.Tech. Sem. II

B.Tech. Sem. VIII

2019-20 odd

Chemical Engineering Thermodynamics

Mathematical Methods in Chemical Engineering

B.Tech. Sem. III

M.Tech. Sem. I

2019-20 even

Modelling, Simulation and Optimization

B.Tech. Sem. VIII

2020-21 odd

Chemical Engineering Thermodynamics

B.Tech. Sem. III

2020-21 even

Modelling, Simulation and Optimization

B.Tech. Sem. VIII

2021-22 odd

Chemical Engineering Thermodynamics

Process Calculations

B.Tech. Sem. III

B.Tech. Sem. I

2021-22 even

Chemical Engineering Thermodynamics

B.Tech. Sem. II

2022-23 odd

Process Calculations

Chemical Reaction Engineering – I

B.Tech. Sem. I

B.Tech. Sem. III

2022-23 even

Chemical Engineering Thermodynamics

B.Tech. Sem. II

2023-24 odd

Process Calculations

B.Tech. Sem. I