Biofuels

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carbon recycling, biofuels, coppiced woodland

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Biofuels

  1. 1. TO LEARN 1.CARBON CYCLE 2.BIOFUELS - I) SOURCES II) ADVANTAGES & DISADVANTAGES 3. ALTERNATE SOURCE OF ENERGY – 4.REFORESTATION 5. A COPPICED WOODLAND CARBON CYCLE & BIOFUELS
  2. 2. BIOFUELS  BIOGAS ( methane ) FIREWOOD , COCONUT HUSK , COWDUNG , HAY ADV : DOES NOT CONTRIBUTE TO ACID RAIN , CLEAN FUEL – NO SOOT , SLUDGE – USED AS FERTILIZER DISADV : LOTS OF SPACE , LARGE LAND  GASOHOL( mixture of 80% petroleum spirit & 20% ethanol )  SUGARCANE , MAIZE ,  ADV : cleaner fuel , helps to sustain fossil fuels Reduces GW  DISADV : uneconomical , monoculture of sugarcane – increases
  3. 3. BIOFUELS  Recycle CO2 in short periods of time – carbon neutral  Combustion of fossil fuels release CO2 that was removed .- carbon positive fuels  Carbon gets accumulated until more forests are planted

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