## CH3351 Syllabus - Chemical Process Calculations - 2021 Regulation Anna University

CH3351

CHEMICAL PROCESS CALCULATIONS

LTPC

3003

COURSE OBJECTIVES:
• To impart knowledge on laws of chemistry and its application to solution of mass and energy balance equations for single and network of units and introduce to process simulators.

UNIT I

9

Base and derived Units - Composition of Mixture and solutions - calculations of pressure, volume and temperature using ideal gas law. Use of partial pressure and pure component volume in gas calculations, applications of real gas relationship in gas calculation.

UNIT II

9

Stoichiometric principles, Application of material balance to unit operations like distillation, evaporation, crystallisation, drying etc., - Material balance with chemical reaction - Limiting and excess reactants - recycle - bypass and purging - Unsteady state material balances.

UNIT III

9

Calculation of absolute humidity, molal humidity, relative humidity and percentage humidity - Use of humidity in condensation and drying - Humidity chart, dew point.

UNIT IV

9

Heat capacity of solids, liquids, gases and solutions, use of mean heat capacity in heat calculations, problems involving sensible heat and latent heats, evaluation of enthalpy.Standard heat of reaction, heats of formation, combustion, solution, mixing etc., calculation of standard heat of reaction - Effect of pressure and temperature on heat of reaction -Energy balance for systems with and without chemical reaction - Unsteady state energy balances

UNIT V

9

Determination of Composition by Orsat analysis of products of combustion of solid, liquid and gas fuels - Calculation of excess air from orsat technique, problems on sulphur and sulphur burning compounds - Application of Process simulators in energy and material balance problems.

TOTAL: 45 PERIODS

COURSE OUTCOMES: Upon completion of the course, the students would
1. Understand the fundamentals of units and stoichiometric equations.
2. Write material balance for different chemical process.
3. Understand the fundamentals of ideal gas behavior and phase equilbria.
4. Write energy balance for different chemical process.

TEXT BOOKS:
1. Bhatt, B.L., Vora, S.M., “Stoichiometry “, 4th Edition, Tata McGraw-Hill (2004).
2. Himmelblau, D.M., “Basic Principles and Calculations in Chemical Engineering”, EEE Eighth Edition, Prentice Hall Inc., 2012.
3. Felder, R. M. and Rousseau, R. W., “Elementary Principles of Chemical Processes”,5 th Edn., John Wiley & Sons, New York, 2005.

REFERENCES:
1. Hougen O A, Watson K M and Ragatz R A, “Chemical process principles” Part I, CBS publishers ,Second edition,2004.