NDLI: Water consumption estimates of the biodiesel process in the US

Content Provider	Springer Nature Link
Author	Tu, Qingshi Lu, Mingming Yang, Y. Jeffrey Scott, Don
Copyright Year	2015
Abstract	As a renewable alternative to petroleum diesel, biodiesel has been widely used in the US and the world. However, its potential impact on water resources has not been much evaluated. This study investigates water consumption from the biodiesel process, which includes three stages: soybean irrigation, soybean-to-soybean oil processing, and biodiesel manufacturing, at both national and state levels. Mass-based allocation is performed and water consumption at the three stages is obtained on the basis of million gallons per year and gallon water per gallon biodiesel (gal/gal). The normalized water consumption (water intensity) of the irrigation, oil processing, and biodiesel production stages are 61.78, 0.17, and 0.31 gal/gal, respectively. The resulting total normalized water consumption is 62.26 gal/gal for the biodiesel process which is much lower than those reported in existing literature. It is shown that water consumption from the three stages varies significantly from state to state, which warrants the necessity of state-level water consumption analysis for better decision making in water resources management. Water consumption in potentially water-stressed states is also investigated and results show that currently these states represent 1.6 % of total water consumption associated with biodiesel production, 0.46 % of soybean harvest, and 27.61 % of biodiesel production capacity in the US.
Starting Page	507
Ending Page	516
Page Count	10
File Format	PDF
ISSN	1618954X
Journal	Clean Technologies and Environmental Policy
Volume Number	18
Issue Number	2
e-ISSN	16189558
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-09-14
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biodiesel Water consumption Irrigation Soybean crushing and processing Water-stressed areas Sustainable Development Industrial Chemistry/Chemical Engineering Industrial and Production Engineering Environmental Engineering/Biotechnology Environmental Economics
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Environmental Engineering Economics and Econometrics Business, Management and Accounting Management, Monitoring, Policy and Law

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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