18CH42 Chemical Engg. Thermodynamics syllabus for CH

BASIC CONCEPTS:

System, Surrounding and processes, Closed and Open systems, state and Properties, Intensive and Extensive Properties, State and Path functions, equilibrium state and Phase rule, Zeroth law of thermodynamics, Heat reservoir and Heat engines, Reversible and Irreversible processes.

FIRST LAW OF THERMODYNAMICS:

General statement of First law of thermodynamics, First law for cyclic process and non-flow processes, Heat capacity.

P-V-T BEHAVIOUR:

P-V-T behavior of pure fluids, Equations of state and ideal gas law, Processes involving ideal gas law: Constant volume, constant pressure, constant temperature, adiabatic and polytropic processes. Equation of state for real gases: vander Waals equation, Redlich – Kwong equation, Peng – Robinson equation, Virial equation, Compressibility charts: Principles of corresponding states, generalized compressibility charts.

SECOND LAW OF THERMODYNAMICS:

General statements of the Second law, Concept of Entropy, The Carnot Principle, calculation of entropy changes, Clausius Inequality, Entropy and Irreversibility, Third law of Thermodynamics.

THERMODYNAMIC PROPERTIES OF PURE FLUIDS:

Reference Properties, Energy Properties, Derived Properties, Work function, Gibbs free energy, Relationships among thermodynamic properties, Exact differential equations, Fundamental property relations, Maxwell’s equations, Clapeyron equations, Entropy heat capacity relations, Modified equations for U & H, Effect of temperature on U, H & S, Relationships between CP & CV, Gibbs- Helmholtz equation, Fugacity, Fugacity coefficient, Effect of temperature and pressure on Fugacity, Determination of Fugacity of pure gases, Fugacities of solids and liquids, Activity, Effect of temperature and pressure on activity.

PROPERTIES OF SOLUTIONS:

Partial molar properties, Chemical potential, Fugacity in solutions, Henry’s law and dilute solutions, activity in solutions, Activity coefficients, Gibbs – Duhem’s equation, Property changes of mixing, excess properties.

PHASE EQUILIBRIA:

Criteria of phase Equilibria, Criterion of stability, Duhem’s theorem, Vapor – Liquid Equilibria, VLE in ideal solutions, Non-Ideal solutions, VLE at low pressures, VLE at high pressures, consistency test for VLE data, Calculation of Activity coefficients using Gibbs – Duhem’s equation.

CHEMICAL REACTION EQUILIBRIUM:

Reaction Stoichiometry, Criteria of chemical reaction equilibrium, Equilibrium constant and standard free energy change, Effect of temperature, Pressure on equilibrium constants and other factors affecting equilibrium conversion, Liquid phase reactions, heterogeneous reaction equilibrium, phase rule for reacting systems.

Course Outcomes:

On successful completion of this course students will be able to

• Calculate the heat and work requirements for the given flow or non-flow processes.
• Analyze and find properties such as Pressure, Volume and temperature for equations of states and from the fundamentals of first law of thermodynamics.
• Calculate entropy for the processes, and various types of energies such as internal energy, enthalpy, Helmholtz free energy and Gibbs free energy.
• Differentiate between ideal and non-ideal solution and estimate partial molar properties.
• Generate Vapor Liquid Equilibrium data for ideal and non-ideal solutions and check for their consistency by various methods.
• Learn the thermodynamic properties of pure fluids, energy relations and fugacity concepts.

QUESTION PAPER PATTERN:

• The question paper will have ten questions.
• Each full Question consisting of 20 marks
• There will be 2 full questions (with a maximum of four sub questions) from each module.
• Each full question will have sub questions covering all the topics under a module.
• The students will have to answer 5 full questions, selecting one full question from each module.

Note: Use of steam tables permitted in examination and internal assessment test.

TEXT BOOKS:

1. Smith J.M. and Vanness H.C., “Introduction to Chemical Engineering Thermodynamics”, 5thedn., McGraw Hill, New York, 1996

2. Rao Y.V.C., “Chemical Engineering Thermodynamics”, New age International Publication, Nagpur, 2000

REFERENCE BOOK:

1. Narayanan K.V., “Text book of Chemical Engineering Thermodynamics”, Prentice Hall of India Private Limited, New Delhi, 2001.