Biofuel and Waste-to-Energy from Sugar Cane
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Uploaded by ProfessorMusa on Sep 27, 2011
This is my interview with a Brazilian representative on biomass and alternative energy at the Washington D.C Renewable Energy conference on September 22, 2011.
Biomass is the mass of biological material that is made of living or recently living organisms. Major sources of Biomass are wood, landfill gases, and alcohol fuels. Biomass is used for producing energy. It can be used to produce fuel (Biofuel). Biofuel is fuels derived from biomass conversion. Example would be Bioethanol. Bioethanol is alcohol made by fermentation so it can be used as a fuel for cars. Ethanol, also called pure alcohol, is a volatile, flammable, and colorless liquid.
Corn and sugar cane are 2 major plants used to produce Bioethanol. United States uses corn because it has high level of starch. Starch can be easily turned into sugar, and then yeast is used to start the fermentation process to turn sugar into alcohol. Using sugar cane is much efficient because you avoid the starch conversation step. Some claim that the process to convert sugar cane into ethanol does not take more than 45 minutes. On the other hand, to convert corn into ethanol, that may take easily 36 hours.
Brazil replaced 50% of its gasoline need by ethanol. Brazil uses Sugar Cane to produce 3% of electricity. Brazil is currently using 2% of their arable land to plant sugar cane. Brazil also just launched a second generation mechanism of using the waste of sugar cane to produce energy (waste-to-energy).
Some consider the excessive use for fertilizers and water may harm local communities water resources. Other also argue that Biofuel would require using a large amount of land that would be better used to grow other plants. In United States for example, using corn as a fuel led to the increase of the meat cost; corn is used as animal food....
Any thoughts?
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plants ARE a renewable source of energy. they use their leaves to process sunlight to energy.
soc1925 1 week ago
If your thinking of having Waste-2-Energy com plants, please visit our website. Waste-2-Energy com uses Pyrolisis so there is no real emission, needs very little human resources, it is sustainable and has no impact on environment.
We can use biomass and all our end products are valuable.
RiksaMan 4 months ago