# Basic Principles and Calculations in Chemical Engineering

By Prof. Subrata Kumar Majumdar   |   IIT Guwahati
Learners enrolled: 918
The objective of the course is to introduce chemical engineering students to the basic principles and calculation techniques used in the chemical industries and to acquaint them with the fundamentals of the material and energy balances as applied to chemical engineering processes. The course is mainly intended for graduate chemical engineering student. It will expose them to solve the problems in material and energy balances that arise in relation to the problems involving in different chemical process units. It also will introduce them to numerical methods used to solve the problems. The course will introduce in simple language and ample of examples so that it will encourage learners to get used to the course.

INTENDED AUDIENCE  : Chemical, Biochemical engineering Garduate Student/ Graduate Sudent of chemical science and Technology/Diploma in chemical Engineering/Graduate in petroleum science and technology
PREREQUISITES             : 10 + 2 Examination in Science
INDUSTRY SUPPORT       : Industrial research and Developement section of Chemical and Biochemical Engineering
Summary
 Course Status : Completed Course Type : Core Duration : 12 weeks Start Date : 18 Jan 2021 End Date : 09 Apr 2021 Exam Date : 25 Apr 2021 IST Enrollment Ends : 01 Feb 2021 Category : Chemical Engineering Minor 1 in Chemical Minor 2 in Chemical Minor 3 in Chemical Credit Points : 3 Level : Undergraduate

### Course layout

Week 1: Introduction Contents: Definition, history and role of chemical engineers: Definition of chemical engineering, role of chemical engineers in society Basic features of chemical process: Classifications and modes of chemical processes; basic features of chemical process and unit operation Unit systems and dimensions: Dimensional homogeneity and its analysis, Analysis of problem with solution

Week 2: Process Variables and Rate Contents: Variables and properties of material in systems: Physical and transport properties of materials and mixtures, Analysis of problem with solution Pressure and temperature of flow process: Pressure and temperature and their measurements in flow process, problem solving Rate of chemical processes: Flow rate and its measurements, Flow rate and its measurements, Rate of momentum transfer, Rate of heat transfer, Rate of mass transfer, Analysis of problem with solution Solving problems3 Week 3: Fundamentals of Material Balance Contents: Principles of material balance and its calculation: basis of engineering calculations, the general material balance equation, Balances on single and multiple unit processes without reaction, Solving problems Material balances on non-reactive processes: Material balances on non-reactive processes with recycle and bypass, Solving problems Material balances on reactive processes: Material balances on reactive processes, Solving problems Material balances on combustion processes: Material balances based on combustion reactions, Solving problems Week 4: Basic Principles of Compressible System Contents: State equation of ideal gas and calculation: Basic equations of state for ideal gas and their calculations; State equation of non-ideal gas and calculation: Basic equations of state for non-ideal gas and their calculations Week 5: Basic Principles of Multiphase System Contents Phase equilibrium and Vapour Pressure: Phase equilibrium, Gibb’s phase law, Clausius-Clapeyron Equation, Antoine’s Equation, Cox Chart Equilibrium laws: Raoul’s Law, Henry’s law, volatility, their calculations with examples Saturation and Humidity: Principles of saturation, humidity, Psychometric chart and its use, problem solving Process of phase change: Condensation, vaporization, Examples Week 6: Energy and Its Forms Contents: Principles of Energy: concepts and units, Different forms of energy and their calculations, The general energy balance equation Laws and Properties of thermodynamics: Laws of thermodynamics, definitions of thermodynamic properties like Heat capacity, enthalpy, entropy; Calculation of enthalpy changes (without change of phase), enthalpy changes for phase transitions Heat of formation, reaction and solution: Definition and calculations Week 7: Energy Balances on Non-reactive Processes Contents: The mechanical energy balance: basic understanding with example Enthalpy balances without reaction: basic understanding with example Energy balances on non-reactive processes of multiple inlet and outlet streams: basic understanding with example Enthalpy balances for heat of solution: Analysis with example Week 8: Energy Balances on Reactive Systems Contents: Energy balance with standard heat of reaction: basic understanding with example Energy balance with heat of reaction: basic understanding with example Energy balances on heat of combustion: basic understanding with example Week 9: Balances on Unsteady State Processes Contents: Material balances of unsteady state process: basic understanding with example Unsteady state energy balance: basic understanding with example; Example of simultaneous material and energy balance Week 10: Computational Techniques Contents: The methods of least squares: Linear equation fitting with experimental data with example Non-linear algebraic equation system: basic understanding with example Numerical Integration: basic understanding with example Week 11: Computer-aided Balance Calculations Contents: Degree of freedom analysis: basic understanding with example Process flow sheeting and codes: basic understanding Week 12: Case Studies on Chemical Process Contents: Case study-I on chemical process: Analysis with example Case study-II on chemical process: Analysis with example 3

### Books and references

Text Books:
1. RM Felder, Ronald W. Rousseau, Lisa G. Bullard, Elementary principles of Chemical processes, 14th Ed., John Weily & Sons, Asia ,2017.
2. D.M. Himmelblau, J. B. Riggs, Principles and calculations in chemical Engineering , 7/8th Ed., Prentice Hall of India, 2012.
Refernce Books:
1. N. Chopey, Handbook of Chemical Engineering Calculations, 4th Ed., Mc-Graw Hill, 2012.
2. Olaf, K.M. Watson and R. A R. Hougen, Chemical Process principles, Part 1: Material and Energy Balances, 2nd Ed., John Wiley & Sons, 2004.

### Prof. Subrata Kumar Majumdar

IIT Guwahati
Dr. Subrata Kumar Majumder is a Professor in the Chemical Engineering Department, IIT Guwahati, India. His research interests include multiphase flow and reactor development, hydrodynamics in multiphase flow, mineral processing, process intensifications and micro-nano bubble science and technology and its applications. He is a Fellow of the International Society for Research and Development, 8A Kapteinsvigein, London, UK. He is also a recipient of various honours and awards like: Editor, Journal of Chemical Engineering Research Studies, Guest editor, American Journal of Fluid Dynamics, published by Scientific & Academic Publishing Co., CA, 91731, USA, Editorial board member of Scientific Journal of Materials Science, IIME Award on beneficiation from Indian Institute of Mineral Engineers (IIME), Editorial board Member of the Journal of Science and Technology, Scientific and Academic Publishing, USA, Advisory board member of Excelling Tech Publishers (ETP), London, UK. He is a life member of Indian Institute of Chemical Engineers, Indian Institute of Mineral Engineers, member of Institute of Engineers (India), Member of Asia-Pacific Chemical, Biological & Environmental Engineering Society (PCBEE), senior member of International Association of Engineers (IAE), Japan. He authored four books, five book chapters, and has more than 80 publications in several reputed international journals. Presently he is working in the field of Microbubble science and technology and its applications in mineral beneficiation, food processing and arsenic, ammonia and dye removal and process intensifications by developing ejector-induced gas aided extraction process.

### Course certificate

The course is free to enroll and learn from. But if you want a certificate, you have to register and write the proctored exam conducted by us in person at any of the designated exam centres.
The exam is optional for a fee of Rs 1000/- (Rupees one thousand only).
Date and Time of Exams: 25 April 2021 Morning session 9am to 12 noon; Afternoon Session 2pm to 5pm.
Registration url: Announcements will be made when the registration form is open for registrations.
The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published. If there are any changes, it will be mentioned then.
Please check the form for more details on the cities where the exams will be held, the conditions you agree to when you fill the form etc.

CRITERIA TO GET A CERTIFICATE

Average assignment score = 25% of average of best 8 assignments out of the total 12 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100

Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.

Certificate will have your name, photograph and the score in the final exam with the breakup.It will have the logos of NPTEL and IIT Guwahati .It will be e-verifiable at nptel.ac.in/noc.

Only the e-certificate will be made available. Hard copies will not be dispatched.

Once again, thanks for your interest in our online courses and certification. Happy learning.

- NPTEL team