Course Title: 
Material Balances
Course Code: 
Year Taught: 
Subject Core
Undergraduate (UG)
School of Engineering

'Material Balances' is a course offered in the second semester of B. Tech. in Chemical Engineering program at School of Engineering, Amrita Vishwa Vidyapeetham, Coimbatore campus.

Unit 1

Chemical engineer vs. Chemist, Careers in chemical engineering, Chemical engineering industries; Chemical engineering approach – Streams, Units and Processes; Unit operations and processes: Fluid and solid operations, Heat transfer operations, Mass transfer and separation operations, Chemical reactors, Control of processes, Costing and economics, Process flowsheets and components; Case studies.

Representing streams: Dimensions and unit conversions, Conversion factors, Dimensional consistency, Dimensionless numbers in chemical engineering; Representing compositions of mixtures and solutions: Binary and tertiary mixtures, Graphical representation, Compound stoichiometry; Representing gas phases: Ideal gas law, P-V-T calculations, Partial pressures and pure component volumes in mixtures; Representing reactions: Reaction stoichiometry, Conversion, Yield, Selectivity, Limiting and excess reactants; Dissociating gases; Representing moist gases: Humidity, Wet and dry bulb temperatures, Humidity chart.

Unit 2

Material balance – Control volume, Conservation of mass and species in a unit; Steady and unsteady state processes, Batch and continuous processes; Basis for calculation; Degrees of freedom; Steady and unsteady material balance in unit operations: Evaporation; Crystallization; Leaching; Adsorption; Drying; Liquid-Liquid Extraction; Absorption; Distillation; Recycle, Bypass, and Purge

Unit 3

Combustion: Orsat analysis, Proximate and ultimate analyses of coal; Single-pass and overall conversions; Oxidation of sulphur compounds; Reactions involving phosphorus; Reactions involving nitrogen; Reactions involving chlorine; Extraction of metals from ores; Hydrogenation, hydration, and oxidation; Electrochemical reactions; Recycle, Bypass, and Purge involving reactions

Representing processes: Creating Flowsheets; Degree of freedom analysis of flowsheets; Material balance involving multiple unit operations; Modular and overall equation-solving approaches; Case studies involving industrial flowsheets.

  • Bhatt, B. L., and Vora, S. M., Stoichiometry, 3rd Edition, Tata McGraw Hill, New Delhi, 1996
  • Narayanan, K. V., and Lakshmikutty, B., Stoichiometry and Process Calculations, Prentice Hall India, New Delhi, 2009
  • Murphy, R. M., Introduction to Chemical Processes: Principles, Analysis, Synthesis, McGraw Hill International Edition, New York, 2007
  • Himmelblau, D. M., Basic Principles and Calculations in Chemical Engineering, 6th Edition, Prentice Hall Inc., New York, 2003
  • Felder, R. M. and Rousseau, R. R., Elementary Principles of Chemical Processes, 3rd Edition, John Wiley & Sons, New York, 2000
  • Hougen, O. A., Watson, K. M., and Ragatz, R.A., Chemical Process PrinciplesPart I, CBS Publishers, 1973
  • Lewis, W. K., Radash, A. H., and Lewis, H. C., Industrial Stoichiometry, McGraw Hill Book Inc., New York, 1995