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Author:
Publisher:
ISBN:
Category : Biomass energy
Languages : en
Pages : 36
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Book Description
Author:
Publisher:
ISBN:
Category : Biomass energy
Languages : en
Pages : 36
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Book Description
Author:
Publisher: DIANE Publishing
ISBN: 1437944086
Category :
Languages : en
Pages : 36
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Book Description
Author:
Publisher:
ISBN:
Category : Biomass energy
Languages : en
Pages : 36
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Book Description
Author: United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Water and Wildlife
Publisher:
ISBN:
Category : Chesapeake Bay (Md. and Va.)
Languages : en
Pages : 176
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Book Description
Author: Mark E. Gaffigan
Publisher: DIANE Publishing
ISBN: 1437923577
Category : Technology & Engineering
Languages : en
Pages : 184
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Book Description
In December 2007, the Congress expanded the renewable fuel standard (RFS), which requires rising use of ethanol and other biofuels, from 9 billion gallons in 2008 to 36 billion gallons in 2022. To meet the RFS, the Departments of Agriculture (USDA) and Energy (DOE) are developing advanced biofuels that use cellulosic feedstocks, such as corn stover and switchgrass. The EPA administers the RFS. This report examines, among other things: (1) the effects of increased biofuels production on U.S. agriculture, environment, and greenhouse gas emissions; (2) federal support for domestic biofuels production; and (3) key challenges in meeting the RFS. Includes recommendations. Charts and tables.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309185653
Category : Science
Languages : en
Pages : 86
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Book Description
National interests in greater energy independence, concurrent with favorable market forces, have driven increased production of corn-based ethanol in the United States and research into the next generation of biofuels. The trend is changing the national agricultural landscape and has raised concerns about potential impacts on the nation's water resources. To help illuminate these issues, the National Research Council held a colloquium on July 12, 2007 in Washington, DC. Water Implications of Biofuels Production in the United States, based in part on discussions at the colloquium, concludes that if projected future increases in use of corn for ethanol production do occur, the increase in harm to water quality could be considerable from the increases in fertilizer use, pesticide use, and soil erosion associated with growing crops such as corn. Water supply problems could also develop, both from the water needed to grow biofuels crops and water used at ethanol processing plants, especially in regions where water supplies are already overdrawn. The production of "cellulosic ethanol," derived from fibrous material such as wheat straw, native grasses, and forest trimmings is expected to have less water quality impact but cannot yet be produced on a commerical scale. To move toward a goal of reducing water impacts of biofuels, a policy bridge will likely be needed to encourage growth of new technologies, best agricultural practies, and the development of traditional and cellulosic crops that require less water and fertilizer and are optimized for fuel production.
Author:
Publisher:
ISBN:
Category : Biomass energy
Languages : en
Pages : 40
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Book Description
Author: David M. Mousdale
Publisher: CRC Press
ISBN: 143981208X
Category : Science
Languages : en
Pages : 455
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Book Description
What role will biofuels play in the scientific portfolio that might bring energy independence and security, revitalize rural infrastructures, and wean us off of our addiction to oil? The shifting energy landscape of the 21st century, with its increased demand for renewable energy technology, poses a worrying challenge. Discussing the multidisciplin
Author: Krzysztof J. Ptasinski
Publisher: John Wiley & Sons
ISBN: 1118702107
Category : Technology & Engineering
Languages : en
Pages : 778
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Book Description
Details energy and exergy efficiencies of all major aspects of bioenergy systems Covers all major bioenergy processes starting from photosynthesis and cultivation of biomass feedstocks and ending with final bioenergy products, like power, biofuels, and chemicals Each chapter includes historical developments, chemistry, major technologies, applications as well as energy, environmental and economic aspects in order to serve as an introduction to biomass and bioenergy A separate chapter introduces a beginner in easy accessible way to exergy analysis and the similarities and differences between energy and exergy efficiencies are underlined Includes case studies and illustrative examples of 1st, 2nd, and 3rd generation biofuels production, power and heat generation (thermal plants, fuel cells, boilers), and biorefineries Traditional fossil fuels-based technologies are also described in order to compare with the corresponding bioenergy systems
Author: KeShun Liu
Publisher: CRC Press
ISBN: 143981726X
Category : Science
Languages : en
Pages : 556
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Book Description
In recent years, there has been a dramatic increase in grain-based fuel ethanol production in North America and around the world. Whether such production will result in a net energy gain or whether this is sustainable in the long term is under debate, but undoubtedly millions of tons of non-fermented residues are now produced annually for global tr
