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Bio mass Energy

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Bioenergy draws on a wide range of potential feedstock materials: forestry and agricultural residues and wastes of many sorts, as well as material grown specifically for energy purposes. The raw materials can be converted to heat for use in buildings and industry, to electricity, or into gaseous or liquid fuels, which can be used in transport, for example. This degree of flexibility is unique amongst the different forms of renewable energy.

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Bio mass Energy

  1. 1. BIOMASS www.seminarlinks.blogspot.com
  2. 2. OVERVIEW •Biomass is a renewable energy source that is derived from living or recently living organisms. •Biomass includes biological material, not organic material like coal. •Energy derived from biomass is mostly used to generate electricity or to produce heat. •Thermal energy is extracted by means of combustion, Torre faction, pyrolysis, and gasification. •Biomass can be chemically and biochemically treated to convert it to a energy-rich fuel. Visit www.seminarlinks.blogspot.com to download
  3. 3. SOLID BIOMASS
  4. 4. Solid Biomass Power Plant
  5. 5. LIQUID BIOFUELS
  6. 6. LIQUID BIOFUELS
  7. 7. GASEOUS BIOMASS
  8. 8. POTENTIAL ENERGY SOURCE? • Bioenergy contributes more to primary global energy supply than any other renewable energy source. • Total energy demand supplied from biomass in 2015 was approximately 60 exajoules (EJ). • The use of biomass for energy has been growing at around 2% per year since 2010. • The bioenergy share in total global primary energy consumption has remained relatively steady since 2005, at around 10%, despite a 24% increase in overall global energy demand between 2005 and 2015.
  9. 9. POTENTIAL ENERGY SOURCE? • The annual global primary production of biomass is equivalent to the 4,500 EJ of solar energy captured each year. • At present, a bioenergy supply of 270 EJ, possible on a sustainable basis, can cover almost 50% of the world’s total primary energy demand. • Moreover, this amount of bioenergy can be achieved by only 6% of the annual global primary production of biomass.
  10. 10. POTENTIAL ENERGY SOURCE? • The potential for energy from biomass depends in part on land availability. • Currently, the amount of land devoted to growing energy crops for biomass fuels is only 0.19% of the world’s total land area and only 0.5-1.7% of global agricultural land. • A mere 10% increase in the efficiency of biomass production through irrigation, manuring, fertilizing and/or improved management through the cultivation of idle land, would create energy equivalent to the total current global energy demand Visit www.seminarlinks.blogspot.com to download
  11. 11. POTENTIAL ENERGY SOURCE? • However, if we compare an upper limit of the total global bioenergy production potential in 2050 of 1,135 EJ, that can come available as energy supply without affecting the supply of food crops, with the highest scenarios on the global primary energy demand in 2050 of 1,041 EJ, we see that the world’s bioenergy potential is large enough to meet global energy demand in 2050. • Unfortunately, this information is not part of the public consciousness.
  12. 12. CONTRIBUTION OF BIO-ENERGY • Bioenergy plays a role in all three main energy-use sectors: heat (and cooling), electricity and transport. • The contribution of bioenergy to final energy demand for heat (traditional and modern) far outweighs its use in either electricity or transport.
  13. 13. *MSW: Municipal Solid Waste *
  14. 14. • Biomass energy use in 2015 is estimated at 31 EJ. • Consumption of fuelwood for traditional energy uses an estimated 1.9 billion cubic metres (m3). • The largest shares of fuelwood (as well as other fuels such as dung and agricultural residues) are consumed in Asia, South America and Africa. • The use of charcoal for cooking in many developing countries, especially in urban areas, has been increasing by an average of around 3% a year since 2010, reaching an estimated 55 million tonnes in 2015
  15. 15. GLOBAL BIO-POWER • Bio-power capacity increased by an estimated 5% in 2015, to 106.4 GW, and generation rose by 8% to 464 TWh. • The rise in generation was due in part to increased use of existing capacity. • The leading countries for electricity generation from biomass in 2015 were – United States (69 TWh) – Germany (50 TWh) – China (48 TWh) – Brazil (40 TWh) – Japan (36 TWh) – United Kingdom – India
  16. 16. BIOMASS AND CARBON EMMISIONS
  17. 17. ADVANTAGES • Renewable resource • Dependency on Fossil Fuels is Reduced • Carbon Neutral • Widely Available • Reduces landfills • Protects clean water supplies • Reduces acid rain and smog • Reduces greenhouse gases – Carbon dioxide – Methane
  18. 18. DISADVANTAGES • Not totally clean when burned • Can lead to deforestation • Biodiesel product are inefficient as compared to gasoline. • Requires lot of space • Expensive process
  19. 19. MAJOR BARRIERS Major barriers faced in faster realization of available biomass power potential for a variety of end use applications are: • Inadequate information on biomass availability • Absence of organized formal biomass markets • Problems associated with management of biomass collection, transportation, processing and storage; problems associated with setting up large size biomass plants • Non-availability of cost effective sub megawatt systems for conversion of biomass to energy in a decentralized manner • Lack of capability to generate bankable projects on account of financial and liquidity problems, etc.
  20. 20. MAJOR CHALLENGES The major challenges in ensuring sustained biomass supply at reasonable prices are: • Increasing competing usage of biomass resources, leading to higher opportunity costs • Unorganized nature of biomass market, which is characterized by lack of mechanization in agriculture sector, defragmented land holdings, and vast number of small or marginal farmers. • The cost of biomass storage and transportation to power plants, which is consistently rising rapidly with time.
  21. 21. SOLUTIONS • There is the need to evolve a robust organized biomass market through innovative business models, motivating rural entrepreneurs to take up the responsibility of supplying biomass to processing facilities. • There is also the need to develop and exploit energy plantations to take up energy crops on marginal and degraded land, as a substitute for crop wastes.
  22. 22. Thank You Visit www.seminarlinks.blogspot.com to download

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