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Course Detail

Course Name Biomass Energy Conversion Techniques
Course Code 19MEE361
Program B. Tech. in Mechanical Engineering
Year Taught 2019


Unit 1

Biomass as energy source – Sources – Biomass conversion processes – Biological – Thermal – Chemical – Hybrid conversions – Application of biomass conversion products – Biomass properties for conversion process – Physical properties : Particle size, distribution, heat capacity and thermal conductivity – Thermal properties : Proximate, Ultimate and heating value analysis – Biomass pretreatment processes – Biodiesel and bioethanol : Sources and extraction methods.

Unit 2

Torrefaction – products obtained – properties of torrified biomass – Physical and chemical – composition changes – torrefaction as pretreatment process – Pyrolysis – types – effects of process parameters – Product characterization techniques – oxidation stability – Bio-oil upgradation – applications – Liquefaction – direct and indirect methods – advanced liquefaction techniques.

Unit 3

Biomass gasification – chemistry – types of gasifiers – gasifier design : TDR, throughput, A/F ratio and equivalence ratio calculations – advanced gasification – fluidized bed gasifier – component design – cold fluidization tests – Electrical power production – Biomass combustion – types of combustors – Co-combustion and Co-firing – applications – Eutectic point of biomass ash.

Objectives and Outcomes

Course Objectives

  • To introduce the energy conversion technologies related to biomass
  • To familiarize the properties of biomass and its energy products
  • To analyze the feasibility of power production from biomass sources

Course Outcomes

  • CO1: Develop knowledge in properties of biomass and energy conversion process
  • CO2: Compare the characteristics of products obtained from biomass pyrolysis
  • CO3: Understand the basics of biomass gasification and gasifier design
  • CO4: Assess the potential of electrical power production from biomass

CO – PO Mapping



CO1 2 2 1 2 1 2
CO2 2 1 2 2 1 2
CO3 2 2 2 1 2 1 2
CO4 2 2 2 2 1 2

Textbook / References


  • Sergio C. Capareda “Introduction to Biomass Energy Conversions”, 2019, CRC Press, Taylor and Francis Group.
  • Sergio C. Capareda “Introduction to Renewable Energy Conversions”, 2019, CRC Press, Taylor and Francis Group.


  • Erik Dahlquist, “Biomass as Energy Source: Resources, systems and applications”, Sustainable Energy Developments series, 2012, CRC Press, Taylor and Francis Group.
  • Anju Dahiya, “Bioenergy : Biomass to Biofuels”, 2014, Academic press, Elsevier Publication.
  • D.P.Kothari, K.C Singal and Rakesh Ranjan “Renewable Energy Sources And Emerging Technologies”, 2011, PHI Learning Private Ltd, New Delhi.

Evaluation Pattern

Assessment Internal External
Periodical 1 15
Periodical 2 15
*Continuous Assessment (CA) 20
End Semester 50
*CA – Can be Quizzes, Assignment, Projects, and Reports.

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