EY4071 Bio Energy Technologies Syllabus:

EY4071 Bio Energy Technologies Syllabus – Anna University PG Syllabus Regulation 2021

COURSE OBJECTIVES:

1. To learn availability of biomass, methods of biomass analysis and study of characteristics.
2. To create awareness on the technologies available for conversion of biomass to energy in terms of its technical competence and economic implications.
3. To impart knowledge on stoichiometry and combustion of biofuels and costing of biomass technologies
4. To elucidate the thermochemical conversion methods of biomass and its use in engines
5. To provide insight to the possibilities of producing liquid fuels form biomass

UNIT- I INTRODUCTION

Biomass: types–advantages and drawbacks–Indian scenario–characteristics–carbon neutrality–conversion mechanisms–fuel assessment studies–densification technologies Comparison with coal – Proximate & Ultimate Analysis – Thermo Gravimetric Analysis – Differential Thermal Analysis– Differential Scanning Calorimetry

UNIT- II BIOMETHANATION

Microbial systems – phases in biogas production – parameters affecting gas production – effect of additives on biogas yield – possible feed stocks. Biogas plants – types – design – constructional details and comparison – biogas appliances – burner, luminaries and power generation – effect on engine performance.

UNIT- III COMBUSTION

Perfect, complete and incomplete combustion-stoichiometric air requirement for biofuels equivalence ratio – fixed Bed and fluid Bed combustion – fuel and ash handling systems – steam cost comparison with conventional fuels.

UNIT- IV GASIFICATION, PYROLYSIS AND CARBONISATION

Chemistry of gasification- types–comparison–application–performance evaluation– economics – dual fuelling in IC engines – 100 % Gas Engines – engine characteristics on gas mode – gas cooling and cleaning systems – Pyrolysis – Classification – process governing parameters – Typical yield rates. Carbonization Techniques–merits of carbonized
fuels

UNIT- V LIQUIFIED BIOFUELS

History of usage of Straight Vegetable Oil (SVO) as fuel – Biodiesel production from oil seeds, waste oils and algae – Process and chemistry – Biodiesel health effects / emissions /performance. Production of alcoholic fuels (methanol and ethanol) from biomass –engine modifications

COURSE OUTCOMES:

Upon completion of this course, the students will be able to:
1. Estimate the availability of surplus biomass and study the characteristics
2. Design a biogas plant for different bioenergy sources
3. Determine and compare the cost of steam generation from biofuels with conventional fuels.
4. Analyze the influence of process governing parameters in thermo chemical conversion of biomass and in internal combustion engines
5. Evaluate the production of liquid biofuels for power generation from biomass

REFERENCES

1. David Boyles,Bio Energy Technology Thermodynamics and costs, Ellis Horwood Chichester,1984.
2. Iyer PV Retal, Thermo chemical Characterization of Biomass, MNES
3. KhandelwalKC, Mahdi SS, Biogas Technology–A Practical Handbook,Tata McGraw Hill,1986
4. Maheswari,R.C. BioEnergy for Rural Energisation, Concepts Publication,1997
5. Tom B Reed, Biomass Gasification–Principles and Technology, Noyce Data Corporation,1981.
6. Bioenergy: Biomass to Biofuels and Waste to Energy, Academic Press,2020
7. David C. Dayton , Thomas D. Foust ,Analytical Methods for Biomass Characterization and Conversion (Emerging Issues in Analytical Chemistry), Elsevier,2019