ENV-1010 Lecture Notes - Lecture 27: List Of Gasoline Additives, Biogas
13 Sep 2016
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Wind: windfarms of turbines, current: 1-2% of world total, by 2020 10% world, denmark. By 2025=50: drop in cost 1980-2014. Need back up system for no wind. Not always there: wind power has more advantages and fewer disadvantages than any other energy resource, doe six great plains states could produce electricity from win more than meet the nation"s electricity needs. Biomass: plant and animal material burned to provide heat or electricity and/or is converted into gaseous or liquid biofuels. Solid burn wood or manure for heat/cooking. Current: 11% of world energy; 30-90% in ldcs. Biomass plantations, crop residues, animal manure: 2. Biogas from animal (by-product) and decomposition of organics trash or manure. Biogas a mixture of 60% methane and 40% co2. Biogas plants convert plant and animal wastes to methane gas for heating and cooking rather than using as fertilizer. Us farms convert waste from cattle, hogs, and chickens to biogas produce electricity.
