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Biofuels

By

Sumit Sharma

Assistant professor in Biotechnology

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Index

  • What are biofuels
  • Preface of biofuels
  • Why promoting biofuels?
  • Bioethanol
  • Making ethanol from seeds

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What are biofuels??

  • Biofuels is a type of energies whose energy is deduced from natural carbon obsession.
  • In other words, energy which produced from renewable sources similar as factory biomass and artificial and external wastes etc.

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  • Biofuels are produced from sugarcane, sugar beet, jatropha, camelina, algae and switchgrass.
  • illustration bioethanol, biodiesel, biogas, biobutanol

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Preface of biofuels

  • Biofuels are liquid energies that have been developed from other material similar as shops or beast waste matter.
  • The common commercially used biofuels are bioethanol, biodiesel, memoir methane.
  • Bioethanol is made from sugar, algae, wheat and sugar beet
  • waste.

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  • Biodiesel is made from vegetable oil painting, algal lipids and beast fats.
  • Bio methane can be produced from waste organic material, sewage, husbandry waste and domestic

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Why promoting biofuels??

  • The main reasons to use biofuels are :
  • To contribute in reduction of greenhouse emission.
  • To promote a greater use of renewable energy.

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Use of biofuels makes environment clean

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It also maintain carbon cycle

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Biofuels are play very important rule to reduce global warming.

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Bioethanol

  • Bioethanol is an alcohol which is produced by fermentation of carbohydrates rich sources which include sugarcane , sugarbeet etc.
  • It is colourless and clear liquid .

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  • It is widely used the alternative automotive fuels in the world.
  • Cellulosic biomass , derived from non-food sources such as trees and grasses , is also being developed as feedstock of the production of ethanol

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Making ethanol from seeds

  • Grow and collect seeds.
  • Grind kernels into meal.
  • Heat and enzymes convert starch to sugar.

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  • Anaerobic respiration by yeast.

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  • Alcohol ( ethanol is distilled out from the mixture

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  • Thank you

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  • References
  • Plant Biotechnology by Mk rajadan
  • Bioprocess engeneering by stanbury and whitika