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Fuel final-1
- 1. Green choice of renewable energy: Biomass Prepared by - 1202010 1202015 1202018 1202022 1202036
- 2. “Now is the time for change. We cannot drill our way out of energy crisis. The era of fossil fuels is over. We must invest in renewable energy. And we must not delay.” – Lewis Gordon Pugh
- 3. 3 Renewable energy 13% Non renewable energy 87% Oil 34.6% Coal 28.4% Gas 22.1% Biomass 10.2% Hydropower 2.3% Wind,solar,geothermal, tidal power <0.5% Nuclear energy 2% Worldwide energy consumption in a year
- 4. cellulose hemicellulose lignin inorganics biomass 4 Sustainability considerations for electricity generation from biomass Annette Evans, Vladimir Strezov *, Tim J. Evans
- 5. Sources 5
- 7. 7 Generations of biofuel Produced from food crops Wood, organic waste, food crop waste and specific biomass crops From special engineered energy crops such as Algae Fuels that capture and store carbon-di-oxide
- 8. pyrolysis • The thermal destruction of biomass in anaerobic environment • Combustion occurs in gas turbine typically • Requires more process control and investment • Partly Oxidized by controlled oxygen and steam • Product gases have high calorific value • Requires more process control and investment • Complete combustion In excess air • Flue gas is used to convert process water to steam • Oldest, simplest but most inefficient Pyrolysis Gasificatio n Direct combustion 8 Sustainability considerations for electricity generation from biomass Annette Evans, Vladimir Strezov *, Tim J. Evans
- 9. Pyrolysis- 4-10 cents/kWh Gasification- 4-16 cents/kWh Combustion- 3-12 cents/kWh Price for 1 unit for each process 9 Sustainability considerations for electricity generation from biomass Annette Evans, Vladimir Strezov *, Tim J. Evans
- 10. 10 Biomass plant
- 11. Biomass storage Combustion chamber Exhaust Ash Turbine Steam Condenser Generator Electricity Condensate Direct combustion system Preparation & processing www.eere.energy.gov/tribalenergy/guide/biomass_biopower.com 11
- 12. biomass pyrolysis char combustor gasifier cooler ash flue gas air sand and char hot air steam vapors sand clean fuel gas Gasification process www.eere.energy.gov/tribalenergy/guide/biomass_biopower.com 12
- 15. 1 Biomass production Health & safety issues Migrant labor Child/forced labor Food security- quantity and price Effects on landscape Rural employment and income generation Infrastructure development
- 16. 2 2 Biomass/fuel transportation Conflict over land tenure Local health impact from transport emission 16
- 17. 3 Residue disposal Land or water contamination Health implication 17
- 19. Reduce emission of Sulfur and sulfur compounds by 4.5% Nitrogen compounds by 6 % 19 Negative impacts on forest management and farming High levels of water use
- 20. Advantages of biomass plants Biomass crops are sustainable and can be grown anywhere Produces lower level of CO2 than fossil fuel Emission of harmful gases is lower than fossil fuel It takes in CO2 and releases O2 Available and renewable. Products can be used in cyclic way Reduces landfill. Harmful products converted to useful ones 20
- 21. Disadvantages of biomass plants Reduction in growth of basic crops for eating purpose Relatively larger land is needed High operation and production cost Inefficient as Compared to Fossil Fuels Harmful to Environment Emission of CO2 and volatile compounds in air 21
- 23. Capital cost,$ per kilowatt Capital cost for biomass and other plants 23 Biomass for Electricity Generation by Zia Haq, university of Dhaka, Bangladesh
- 24. Port Talbots, UK 350 MW Teesside, UK 295 MW Alholmens,Finland 240 MW Port of Bristol, UK 150 MW Wisapower,Finland 125 MW Kuavo, Finland 125 MW Largest Biomass Power plants
- 25. Not cost effective at present! Biomass power production vs Fossil fuel power production 6.9c/KWh 4.6c/KWh Sustainability considerations for electricity generation from biomass Annette Evans, Vladimir Strezov *, Tim J. Evans
- 27. Dream power Private limited First biomass based power plant in Gazipur sponsored by IDCOL 300 households and commercial entities Total cost of this project 2.5 crore Agricultural residues like rice husk 250 KW power generation www.foundation.e-arttic.com
- 28. Biomass based gasification plant Orbit ,India turn key solution provider Agricultural waste like rice husk 400 KW power generation Chilarong,Thakurgaon By product silica Total project cost 6.4 crore BDT #1 #2 #3 #4 #5 #6 28 www.foundation.e-arttic.com
- 29. Distribution of 400 KW of power generated Irrigation pumps 29
- 30. Biogas Based Electricity Generation Plants One in Mymensingh and two in Gazipur Poultry waste will be used Total project cost is BDT 14.94 crore BDT BDT 4 / kWh 30 www.foundation.e-arttic.com
- 31. 31
- 32. Thank you 32