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The environmental benefits of cellulosic energy crops at a landscape scale

ผู้แต่ง: 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.
สำนักพิมพ์: 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.
ครั้งที่พิมพ์/รูปแบบ:   หนังสืออีเล็กทรอนิกส์ : เอกสาร : สิ่งพิมพ์การประชุม : สิ่งพิมพ์รัฐบาลแห่งชาติ : ภาษาอังกฤษ
ฐานข้อมูล:WorldCat
สรุป:
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  อ่านมากขึ้น…
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ขนิดวัสดุ: สิ่งพิมพ์การประชุม, เอกสาร, สิ่งพิมพ์รัฐบาล, สิ่งพิมพ์รัฐบาลแห่งชาติ, ทรัพยากรอินแทอร์เน็ต
ประเภทของเอกสาร: แหล่งข้อมูลอินเทอร์เน็ต, ไฟล์คอมพิวเตอร์
ผู้แต่งทั้งหมด : ผู้แต่งร่วม 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 Number: 68375215
หมายเหตุ: 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.
คำอธิบาย: 11 pages : digital, PDF file.

บทคัดย่อ:

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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