Course Details

Subject {L-T-P / C} : CH2211 : Chemical Process Calculations {2-1-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Raghubansh Kumar Singh


Engineering Calculations: Units and dimensions Conversion of units. Chemical reactions: excess reactant, limiting reactant, conversion, extent of reaction yield and selectivity in multiple reactions Composition of mixtures and solutions. Flow-sheeting: degrees of freedom and its importance in flow-sheeting. Material balance with and without chemical reactions: Recycle, bypass, and purge calculations calculations for unit operations like mixing, evaporation, crystallization and distillation Combustion reactions. Behavior of ideal gases: Various equations of state, Law of Dalton and Amagat, Densities of gaseous mixture. Real gases: Critical properties, various equation of state, Law of corresponding states. Vapour pressures: Liquefaction, Vaporization, Cox Chart, Duhring Plot.Psychometric calculations. Energy balance: Heat capacity of gases, liquids, solids and solutions, Heats of fusion and vaporization, heat of reaction, heat of combustion, heat of formation enthalpy change. Fuel calculations adiabatic flame temperature. Numerical techniques for solving material and energy balance equations Vapour–liquid equilibrium calculations. Use of spreadsheet software (Excel/Origin).

Course Objectives

  1. It aims at providing fundamental knowledge of chemical engineering and application of this knowledge in the solving of material and energy balances of chemical processes.

Course Outcomes

Help the students to understand basic chemical engineering concepts and methods of analysis. ToEnrich the knowledge of students to systems of units and measurement scales, chemical process types, process flow diagrams, steady-state mass balance calculations for batch and continuous processes applied to solution of problems in systems of interest to chemical process industries

Essential Reading

  1. 1. D. M. Himmelblau and J. B. Riggs, Basic Principles and Calculations in Chemical Engineering, 8th Ed., Prentice Hall , 2012
  2. 2. R. M. Felder and R. W. Rousseau, Elementary Principles of Chemical processes, John Wiley , 2004

Supplementary Reading

  1. 1. R.K. Dave, Chemical Reactions and Stoichiometry, Campus books International , 2000
  2. 2. M. Sylvin, Problems in stoichiometry, Sarup& Sons , 2003