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Biomass energy ppt

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ITS ABOUT THE USAGE OF BIOMASS AS NON CONVENTIONAL ENERGY..

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Biomass energy ppt

  1. 1. A REVIEW ON ENERGY FROM BIOMASS (NON CONVENTIONAL ENERGY SOURCES) Sanjana:EEE Alekhya:EEE
  2. 2. Importance of non-conventional sources of energy: 1. The non-conventional sources of energy are abundant in nature. According to energy experts the non-conventional energy potential of India is estimated at about 95,000 MW. 2. These are renewable resources. The non-conventional sources of energy can be renewed with minimum effort and money. 3. Non-conventional sources of energy are pollution-free and eco-friendly
  3. 3. • Bioenergy is renewable energy made available from materials derived from biological sources. • Biomass is any organic material, may include wood, wood waste, straw, manure, sugar cane and many other byproducts from a variety of agricultural processes. Bio-Energy
  4. 4. Biomass  Biomass is organic matter produced by plants – terrestrial and aquatic – and their derivatives. It includes 1. Forest crops and residues 2. Crops specially grown in ‘energy farms’ for their energy content 3. Animal manure
  5. 5. Biomass Energy • Biomass continues to account for an estimated 1/3rd of primary energy use, while in the poorest counties up to 90% of all energy is supplied by biomass • Biomass energy, or bio energy is the conversion of biomass (organic material originating from plants, trees, and crops and essentially the collection and storage of the sun’s energy through photosynthesis) into useful forms of energy such as heat, electricity, and liquid fuels
  6. 6. Biomass Energy Conversion Technologies Biomass energy conversion technologies/applications include: • Combustion • Gasification • Anaerobic Digestion • Liquid Biofuels
  7. 7. Deenabandhu Biogas Project Model
  8. 8. Present State of Biomass Energy in India • 3,500 MW of power generation through biogases based co- generation in sugar mills. • 537 MW has so far been commissioned • 536 MW is under installation
  9. 9. Anaerobic digestion & Regenerative Thermal Oxidiser component of Lubeck Mechanical Biological Treatment plant in Germany, 2007
  10. 10. ** By Alternative Investor ** Biomass How It Will Work ??
  11. 11. Typical composition of biogas Matter % Methane, CH4 50-75 Carbon dioxide, CO2 25-50 Nitrogen, N2 0-10 Hydrogen, H2 0-1 Hydrogen sulfide, H2S 0-3 Oxygen, O2 0-
  12. 12. MUNICIPAL SOLID WASTE (MSW) TO ENERGY INCINERATION PLANT SHREDDER AIR CLASSIFIER Heat Recovery Steam Generator HRSG Dry duly treated biomass HRSG BOILER FURNACE Stack Removal of pollutants Superheated output Condenser Boiler Feed water Cooling Tower Pre-heated Feed water Refuse derived fuel Aux fuelMetal Glass Recycled Thermal Output Electrical Output Ash to landfill Pre-heated air
  13. 13. Main Advantages of Biomass Energy • Indigenous source • Economic development opportunities in rural areas • The pollutant emissions from combustion of biomass are usually lower than those from fossil fuels • Commercial use of biomass • Improve fertility of soil
  14. 14. Environmental Advantages • Renewable resource • Reduces landfills • Protects clean water supplies • Reduces acid rain and smog • Reduces greenhouse gases • Carbon dioxide • Methane
  15. 15. Disadvantages of Biomass Energy • It is dispersed and land intensive as a source • It is often of low energy density • It is labour intensive and the cost of collecting large quantities for commercial application is significant
  16. 16. Fuel Properties of Biogas Calorific Value 60% Methane : 22.350 to 24.22 MJ/m3. Without CO2 : 33.525 to 35.390 MJ/m3. Octane rating without CO2 : 130 Octane rating with CO2 : 110 Ignition temperature : 6500 C Air to methane ratio for complete Combustion (by volume) : 10 to 1 Explosive limits to air (by volume) : 5 to 15
  17. 17. Applications • Anaerobic digestion is used for effluent and sewage treatment. • Anaerobic digestion is a simple process that can greatly reduce the amount of organic matter which might otherwise be destined to be landfilled or burnt in an incinerator. • Almost any organic material can be processed with anaerobic digestion. This includes biodegradable waste materials such as waste paper, grass clippings, leftover food, sewage and animal waste. • Anaerobic digesters can also be fed with specially grown energy crops such as silage for dedicated biogas production.
  18. 18. Thank You
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ITS ABOUT THE USAGE OF BIOMASS AS NON CONVENTIONAL ENERGY..

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