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Transcript of Biomass
Converting Biomass to Biopower
1). Direct Combustion
Most common method=burning to produce heat and steam.
Steam turns a turbine that produces electricity.
However much of the energy is wasted this way.
The future of Biomass
There are new sources that are not yet being used or are underused on an industrial scale.
currently developing others for economic and environmental reasons
What is Biomass?
Biomass is a biological material derived from living, or recently living organisms. Biomass for energy is often used with plant based material, but can equally apply to materials derived from both animals and vegetables.
Current usage in the U.S. and the World
"What is BioMASS."
Biomass Energy Centre
. Web. 29 January, 2014. <URL>.
the primary biomass fuels for the U.S. are wood, bio fuels, and waste products
biomass accounted for 15 percent of the entire world's energy source
wood accounted for 65 percent of America's biomass energy
in developing countries, biomass accounts for almost 35 percent of their total energy usage
"Biomass Energy." Alt Energy. Web. 29 January, 2014. <URL>.
In the US and Canada, there are more than 300 million acres of certified sustainable forestland that could support
Combs, Susan "Biomass: Overview." Window. Web. 29 January, 2014. <URL>.
History of Biomass
Before the industrial revolution, biomass was one of the main sources of energy.
"Future paths." - Planète Energies. N.p., n.d. Web. 29 Jan. 2014. <www.planete-energies.com>.
"The Future of Biomass in North America and Europe." Zilkha Biomass Energy. N.p., n.d. Web. 27 Jan. 2014. <www.zilkha.com>.
"Energy." - Biomass. N.p., n.d. Web. 29 Jan. 2014. <www.eniscuola.net>.
"biomass." biomass. N.p., n.d. Web. 29 Jan. 2014. <http://cr.middlebury.edu/es/altenergylife/
91% of U.S. energy came through burning wood up until the 1860s.
Became less popular once factories started using coal and oil for power.
"Biomass." Centre for Energy: History. N.p., n.d. Web. 29 Jan. 2014. <www.centreforenergy.com>.
First biomass power plants in North America were built in the 1980s.
Public became more environmentally conscious, seeking renewable energy sources, such as biomass.
In conclusion, biomass energy brings numerous environmental benefits, particularly reducing many kinds of air pollution. Biomass can be grown and harvested in ways that ensure soil quality, avoid erosion, and maintain wildlife habitat. However, the environmental benefits of biomass depend on developing beneficial biomass resources and avoiding harmful resources.
2). Anaerobic Digestion
Micro-organisms break down biomass such as sewer or animal manure.
Produces methane and carbon dioxide.
Gases captured and burned to produce heat and power.
Process prevents methane, a greenhouse gas from entering atmosphere.
"How Biomass Energy Works." Union of Concerned Scientists. N.p., n.d. Web. 27 Jan. 2014. <www.ucsusa.org>.