Ecological Analysis Of Corn Stover Biofuels

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Ecological Analysis of Corn Stover Biofuels 1.background To date, when issues related to environment, GHG(Green House Gas), sustainability are gradually concerned, increasing people is pursuing new ways to lower down the negative effect exerted by modern industry. This also attracts government’s attention upon encouraging utilization and production of alternative energy and offering financial aid for some newly high-tech companies. One solution to deal with this global concern is finding or develop alternate fuels to replace the fossil fuels such as biofuels. The utilization of biofuels as energy for transportation is mainly driven by the over-depletion of oil, the concerns about energy consumption and the emission of Green House gas. However due to some barriers, the most recently used biofuels will replace around 10% to 15 % of fossil fuels in the field of transportation[2]. The merits and demerits of adopting corn Stover as a feedstock to produce biobutanol, bioethanol and biodiesel[2] as well as diesel, soybean biodiesel, gasoline and corn ethanol are studied based upon LCA[3](Life Cycle Assessment), a new method to analyze the influence of the ecosystem output in the life cycle. LCA is commonly used for measuring environmental influences of a product system, including different life cycle period[4] and [5]. Specifically, in this analysis method, water consumption, ECEC (Ecological Cumulative Exergy Consumption), carbon and nitrogen mobilization,

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