Life‐cycle analysis of integrated biorefineries with co‐production of biofuels and bio‐based chemicals: co‐product handling methods and implications
Abstract
Abstract New integrated biorefinery (IBR) concepts are being investigated to co‐produce hydrocarbon fuels and high‐value bio‐based chemicals to improve the economic viability of IBRs, to enhance biomass resource utilization efficiencies, and to maximize potential greenhouse gas (GHG) emission reductions. Unlike fuel‐only biorefineries, IBRs may co‐produce a significant amount of bio‐based chemicals, whose emission implications for specific biorefinery products and the biorefinery as a whole need to be evaluated. We discuss this in principle and apply three sets of co‐product handling methods to conduct life‐cycle analysis (LCA) of modeled IBRs with co‐production of two bioproduct examples – succinic acid and adipic acid – alongside a renewable diesel blendstock fuel product. The LCA results for the specific co‐product handling methods that were examined shed light on potential artifacts of product‐specific LCA with selected co‐product methods. We discuss the advantages and limitations of each method and conclude that (i) a system‐level or ‘black‐box’ LCA allocation method is too simplistic to reflect appropriately the GHG burdens of distinctly different processing trains for fuels and chemicals in the IBR context, and (ii) the displacement method is the only co‐product handling method that accounts fully for the emission effects of both the fuel product and themore »
- Authors:
-
- Systems Assessment Group, Energy Systems Division, Argonne National Laboratory USA
- National Bioenergy Center National Renewable Energy Laboratory IL USA
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1441227
- Resource Type:
- Publisher's Accepted Manuscript
- Journal Name:
- Biofuels, Bioproducts & Biorefining
- Additional Journal Information:
- Journal Name: Biofuels, Bioproducts & Biorefining Journal Volume: 12 Journal Issue: 5; Journal ID: ISSN 1932-104X
- Publisher:
- Wiley Blackwell (John Wiley & Sons)
- Country of Publication:
- United Kingdom
- Language:
- English
Citation Formats
Cai, Hao, Han, Jeongwoo, Wang, Michael, Davis, Ryan, Biddy, Mary, and Tan, Eric. Life‐cycle analysis of integrated biorefineries with co‐production of biofuels and bio‐based chemicals: co‐product handling methods and implications. United Kingdom: N. p., 2018.
Web. doi:10.1002/bbb.1893.
Cai, Hao, Han, Jeongwoo, Wang, Michael, Davis, Ryan, Biddy, Mary, & Tan, Eric. Life‐cycle analysis of integrated biorefineries with co‐production of biofuels and bio‐based chemicals: co‐product handling methods and implications. United Kingdom. https://doi.org/10.1002/bbb.1893
Cai, Hao, Han, Jeongwoo, Wang, Michael, Davis, Ryan, Biddy, Mary, and Tan, Eric. Tue .
"Life‐cycle analysis of integrated biorefineries with co‐production of biofuels and bio‐based chemicals: co‐product handling methods and implications". United Kingdom. https://doi.org/10.1002/bbb.1893.
@article{osti_1441227,
title = {Life‐cycle analysis of integrated biorefineries with co‐production of biofuels and bio‐based chemicals: co‐product handling methods and implications},
author = {Cai, Hao and Han, Jeongwoo and Wang, Michael and Davis, Ryan and Biddy, Mary and Tan, Eric},
abstractNote = {Abstract New integrated biorefinery (IBR) concepts are being investigated to co‐produce hydrocarbon fuels and high‐value bio‐based chemicals to improve the economic viability of IBRs, to enhance biomass resource utilization efficiencies, and to maximize potential greenhouse gas (GHG) emission reductions. Unlike fuel‐only biorefineries, IBRs may co‐produce a significant amount of bio‐based chemicals, whose emission implications for specific biorefinery products and the biorefinery as a whole need to be evaluated. We discuss this in principle and apply three sets of co‐product handling methods to conduct life‐cycle analysis (LCA) of modeled IBRs with co‐production of two bioproduct examples – succinic acid and adipic acid – alongside a renewable diesel blendstock fuel product. The LCA results for the specific co‐product handling methods that were examined shed light on potential artifacts of product‐specific LCA with selected co‐product methods. We discuss the advantages and limitations of each method and conclude that (i) a system‐level or ‘black‐box’ LCA allocation method is too simplistic to reflect appropriately the GHG burdens of distinctly different processing trains for fuels and chemicals in the IBR context, and (ii) the displacement method is the only co‐product handling method that accounts fully for the emission effects of both the fuel product and the non‐fuel bio‐based co‐products in the IBRs within the context of the existing fuel‐focused GHG regulatory framework. Alternatively, biorefinery system‐level LCA combines benefits of individual products to offer a complete picture. This system‐level LCA approach offers a holistic LCA without somewhat arbitrary decisions either on an allocation basis or by the selection of an evaluation metric based on specific products. © 2018 Society of Chemical Industry and John Wiley & Sons, Ltd.},
doi = {10.1002/bbb.1893},
journal = {Biofuels, Bioproducts & Biorefining},
number = 5,
volume = 12,
place = {United Kingdom},
year = {Tue Jun 12 00:00:00 EDT 2018},
month = {Tue Jun 12 00:00:00 EDT 2018}
}
https://doi.org/10.1002/bbb.1893
Web of Science
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