# GITAM University Chemical Process Calculation Syllabus

B.Tech. (BT) III Semester
CHEMICAL PROCESS CALCULATIONS
Course Code : EURBT306 Category : CE
Credits: 3 Hours : 3 per week
UNIT-I
Stoichiometric and composition relationships. Limiting reactant. Excess reactant.
Degree of completion. Basis of calculation. Weight percent, volume percent and
mole percent. Density and specific gravity.
Behaviour of ideal gases, application of the ideal-gas law. Dalton and Amagat laws to
gaseous mixtures. Composition of gases on dry basis and on wet basis.
UNIT-II
Vapor pressures. Effect of temperature on vapor pressure. Antoine equation.
Reference substance vapor pressure plots. Vapor pressure of immiscible liquids. Ideal
solutions and Raoult’s law. Non-volatile solutes.
Humidity. Percentage saturation. Relative saturation or relative humidity. Dew point.
Vaporization. Condensation. Wet and dry bulb temperatures. Adiabatic vaporization
and adiabatic saturation temperature.
UNIT-III
Material balances. Tie substance. Yield. Conversion. Processes involving chemical
reactions. Material balance calculations involving drying, dissolution and
crystallization, Processes involving recycle, bypass and purge.
UNIT-IV
Heat capacities of gases and gaseous mixtures. Effect of temperature on heat capacity
of gas. Mean heat capacity of gas. Kopp’s rule. Latent heats. Heat of fusion. Heat
of vaporization. Trouton’s rule. Kistyakowsky equation for nonpolar liquids.
Estimation of latent heat of vaporization using Clausius – Clapeyron equation.
Enthalpy of humid air, and humid heat capacity.
UNIT-V
Standard heat of reaction. Standard heat of formation. Laws of thermochemistry. Standard heat of combustion. Calculation of heat of formation from heats of combustion. Calculation standard heat of reaction from heats of formation, and from heats of combustion. Standard integral heat of solution. Effect of temperature on heat of reaction. Kirchoff’s equation. Adiabatic and non-adiabatic reactions. Theoretical and actual flame temperatures.

Text Book:
1. Chemical Process Principles Part-I Material and Energy balances, by Olaf A
Hougen, Kwenneth M.Watson, and Roland A. Ragatz, CBS Publishers and Distributors (1995)
2. Chemical Process Principles (Stoichiometry), by K.A. Gavhane.

Reference Books:

1. Stiochiometry by B.I. Bhatt, and S.M. Vora (Third Ed.,), Tata McGraw Hill
Publishing Company Limited, New Delhi (1996)
2. Stiochiometry for chemical engineers, by Williams and Johnson, McGraw Hill.