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Forest Products Laboratory
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Madison, WI 53726-2398
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Title: Life cycle assessment of cellulosic ethanol and biomethane production from forest residues

Source: BioResources. 12(4): 7873-7883.

Author(s)Liang, Shaobo; Gu, Hongmei; Bergman, Richard D.

Publication Year: 2017  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4851-7B

Abstract: There is a strong need to manage low-value forest residues generated from the management practices associated with wildfire, pest, and disease control strategies to improve both the environmental and economic sustainability of forestlands. The conversion of this woody biomass into value-added products provides a great opportunity to benefit both the environment and economy. This study aimed to assess the environmental impacts of converting forest residues into two renewable fuels, cellulosic ethanol and biomethane, by different biochemical conversion pathways. The energy balances and environmental impacts, including acidification, eutrophication, global warming, and photochemical ozone formation, of the two biorefinery approaches were addressed. This work illustrated the advantages of converting forest residues into biomethane from energy and environmental perspectives. The tradeoff between the economic benefits and potential environmental issues need to be carefully considered.

Keywords: Anaerobic digestion; cellulosic ethanol; forest residue; global warming; life cycle assessment

Publication Review Process: Formally Refereed

File size: 621 kb(s)

Date posted: 10/06/2017

This publication is also viewable on Treesearch:  view
RITS Product ID: 88560
Current FPL Scientists associated with this product (listed alphabetically)
Bergman, Richard
Research Forest Products Technologist
Gu, Hongmei
Forest Products Technologist
 

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