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The environmental benefits of cellulosic energy crops at a landscape scale

作者: Graham, R.L.; English, B.C.; Liu, W.; Oak Ridge National Laboratory.; United States. Department of Energy.; United States. Department of Energy. Office of Scientific and Technical Information.
出版商: Washington, D.C. : United States. Dept. of Energy ; Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 1995.
版本/格式:   電子書 : 文獻 : 會議刊物 : 國家級的政府刊物 : 英語
資料庫:WorldCat
提要:
The objective of this paper is to present a broad overview of the potential environmental impacts of biomass energy from energy crops--particularly the cellulosic energy crops current under development. For this discussion, the term energy crop refers to a crop grown primarily to create feedstock for either making biofuels such as ethanol or burning in a heat or electricity generation facility. Cellulosic energy  再讀一些...
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資料類型: 會議刊物, 文獻, 政府刊物, 國家級的政府刊物, 網際網路資源
文件類型: 網路資源, 電腦資料
所有的作者/貢獻者: Graham, R.L.; English, B.C.; Liu, W.; Oak Ridge National Laboratory.; United States. Department of Energy.; United States. Department of Energy. Office of Scientific and Technical Information.
OCLC系統控制編碼: 68375215
注意: Published through the Information Bridge: DOE Scientific and Technical Information.
12/31/1995.
"Conf-9511191--3."
"DE96008626."
Conference on environmental enhancement through agriculture, Boston, MA (United States), 16-17 Nov 1995.
Graham, R.L.; English, B.C.; Liu, W.
描述: 11 pages : digital, PDF file.

摘要:

The objective of this paper is to present a broad overview of the potential environmental impacts of biomass energy from energy crops--particularly the cellulosic energy crops current under development. For this discussion, the term energy crop refers to a crop grown primarily to create feedstock for either making biofuels such as ethanol or burning in a heat or electricity generation facility. Cellulosic energy crops are designed to be used in cellulose-based ethanol conversion processes (as opposed to starch or sugar-based ethanol conversion processes). As more cellulose can be produced per hectare of land than can sugar or starch, the cellulose-based ethanol conversion process is a more efficient sue of land for ethanol production. Assessing the environmental impacts of biomass energy from energy crops is complex because the environmental impact of using biomass for energy must be considered in the context of alternative energy options while the environmental impact of producing biomass from energy crops must be considered in the context of alternative land-uses. Using biomass-derived energy can reduce greenhouse gas emissions or increase them; growing biomass energy crops can enhance soil fertility or degrade it. Without knowing the context of the biomass energy, one can say little about its specific environmental impacts. The primary focus of this paper is an evaluation of the environmental impacts of growing cellulosic energy crops especially at the landscape or regional scale. However, to set the stage for this discussion, the authors begin by comparing the environmental advantages and disadvantages of biomass-derived energy relative to other energy alternatives such as coal, hydropower, nuclear power, oil/gasoline, natural gas and photovoltaics.

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