Fluidization Engineering

By Prof. Subrata Kumar Majumdar   |   IIT Guwahati
Learners enrolled: 83
This course is intended for learners who find themselves involved ranging from pure academic interest to direct industrial necessity in problems concerning the fluidized state. This course mainly covers the basic principles of fluidization phenomena and introduces the learner to the fundamental and practical aspects of basic fluidization operations for industrial application. This course may also be useful for who are doing research in multiphase system in chemical, metallurgical, and mining engineering programs.

INTENDED AUDIENCE : UG and PG students of Chemical, Petroleum, Material Science and Mechanical Engineering/Engineering Physics/Physics

INDUSTRY SUPPORT Petroleum industries
Course Status : Upcoming
Course Type : Elective
Duration : 12 weeks
Start Date : 26 Jul 2021
End Date : 15 Oct 2021
Exam Date : 23 Oct 2021
Enrollment Ends : 02 Aug 2021
Category :
  • Chemical Engineering
Credit Points : 3
Level : Undergraduate/Postgraduate

Course layout

Week - 1-2: Introduction: The phenomenon of fluidization; Advantages and disadvantages of fluidized beds; Industrial applications of fluidized beds
Week - 3: Characteristics of solids: Classification of solids; Flow characteristics and its outline in the different types of fluidization.
Week - 4-5: Flow pattern of fluidization system: Flow patter, flow pattern transition, flow pattern map, Frictional pressure drop and its model to analyze, Solid movement, mixing, segregation and staging
Week - 6: Gas distribution: Type of gas distributors in small and large scale industries, Design of distributor
Week - 7: Bubbling fluidized beds: Gas dispersion and gas interchange in bubbling beds, mixing characteristics
Week - 8: Entrainment and elutriation from fluidized beds
Week - 9: Attrition: Attrition mechanism and its analysis by model
Week - 10-11: Mass transfer phenomena: Particle to gas mass transfer phenomena and its analysis by model in two and three phase system and modeling
Week - 12: Heat Transfer phenomena: Heat transfer between fluidized beds and surfaces and modeling
                   Design of fluidized bed reactors: Design for physical operation, catalytic and non-catalytic systems

Books and references

  • D. Kunii and O. Levenspiel, Fluidization Engineering, Butterworth, 1991.
  • D. Gidaspow, Multiphase flow and fluidization: continuum and kinetic theory description, Elsevier Science & Technology Books, 1993
  • L.G. Gibilaro, Fluidization-dynamics, Butterworth-Heinemann, 2001
  • S. K. Majumder, Hydrodynamics and Transport Processes of Inverse Bubbly Flow, 1st ed. Elsevier, Amsterdam (2016)

Instructor bio

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: 23 October 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.


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

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