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Consumptive Water Use in the Production of Ethanonl and Petroleum Gasoline.

DE2009947085

Publication Date	2009
Personal Author	Wu, M.; Mintz, M.; Wang, M.
Page Count	91
Abstract	The production of energy feedstocks and fuels requires substantial water input. Not only do biofuel feedstocks like corn, switchgrass, and agricultural residues need water for growth and conversion to ethanol, but petroleum feedstocks like crude oil and oil sands also require large volumes of water for drilling, extraction, and conversion into petroleum products. Moreover, in many cases, crude oil production is increasingly water dependent. Competing uses strain available water resources and raise the specter of resource depletion and environmental degradation. Water management has become a key feature of existing projects and a potential issue in new ones. This report examines the growing issue of water use in energy production by characterizing current consumptive water use in liquid fuel production. As used throughout this report, 'consumptive water use' is the sum total of water input less water output that is recycled and reused for the process. The estimate applies to surface and groundwater sources for irrigation but does not include precipitation. Water requirements are evaluated for five fuel pathways: bioethanol from corn, ethanol from cellulosic feedstocks, gasoline from Canadian oil sands, Saudi Arabian crude, and U.S. conventional crude from onshore wells.
Keywords	Ethanol Petroleum Water use Biofuels Drilling Gasoline Irrigation Agricultural wastes Liquid fuels Management Oil sands Petroleum products Precipitation Production Resource depletion Strains Water requirements
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Argonne National Lab., IL. Energy Systems Div.; Department of Energy, Washington, DC.
Supplemental Notes	Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200911
Contract Number	DE-AC02-06CH11357

Consumptive Water Use in the Production of Ethanonl and Petroleum Gasoline.

Consumptive Water Use in the Production of Ethanonl and Petroleum Gasoline.
DE2009947085

Publication Date	2009
Personal Author	Wu, M.; Mintz, M.; Wang, M.
Page Count	91
Abstract	The production of energy feedstocks and fuels requires substantial water input. Not only do biofuel feedstocks like corn, switchgrass, and agricultural residues need water for growth and conversion to ethanol, but petroleum feedstocks like crude oil and oil sands also require large volumes of water for drilling, extraction, and conversion into petroleum products. Moreover, in many cases, crude oil production is increasingly water dependent. Competing uses strain available water resources and raise the specter of resource depletion and environmental degradation. Water management has become a key feature of existing projects and a potential issue in new ones. This report examines the growing issue of water use in energy production by characterizing current consumptive water use in liquid fuel production. As used throughout this report, 'consumptive water use' is the sum total of water input less water output that is recycled and reused for the process. The estimate applies to surface and groundwater sources for irrigation but does not include precipitation. Water requirements are evaluated for five fuel pathways: bioethanol from corn, ethanol from cellulosic feedstocks, gasoline from Canadian oil sands, Saudi Arabian crude, and U.S. conventional crude from onshore wells.
Keywords	Ethanol Petroleum Water use Biofuels Drilling Gasoline Irrigation Agricultural wastes Liquid fuels Management Oil sands Petroleum products Precipitation Production Resource depletion Strains Water requirements
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Argonne National Lab., IL. Energy Systems Div.; Department of Energy, Washington, DC.
Supplemental Notes	Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200911
Contract Number	DE-AC02-06CH11357