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Title: Upgrading brown grease for the production of biofuel intermediates

Abstract

Products from waste streams can reduce the amount of materials going to landfills or being incinerated. Brown grease captured from grease traps or wastewater facilities is produced at approximately 1,500,000 metric tons annually in the United States. Two brown grease samples were characterized from a local collector. Raw brown grease was fermented using Clostridium butyricum to produce butyric acid, achieving a yield of 0.55 butyric acid/g sugars indicating that glycerol and lactic acid were also converted. Hexane extraction of the fermentation broth gave an 81.3% recovery of lipids. Techno-economic analysis calculated a minimum fuel selling price of $$\textit{\$$}$1.81 per gallon gasoline equivalent (GGE) for a facility based on a city the size of Denver and a brown grease delivery price of $$\textit{\$$}$100 per dry metric ton. Exploiting waste streams as feedstocks can significantly reduce costs to produce fuels and can be brought to scale more rapidly due to their ready availability.

Authors:
; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1573432
Alternate Identifier(s):
OSTI ID: 1579632
Report Number(s):
NREL/JA-5100-74355
Journal ID: ISSN 2589-014X; S2589014X19302348; 100344; PII: S2589014X19302348
Grant/Contract Number:  
AC36-08GO28308
Resource Type:
Published Article
Journal Name:
Bioresource Technology Reports
Additional Journal Information:
Journal Name: Bioresource Technology Reports Journal Volume: 9 Journal Issue: C; Journal ID: ISSN 2589-014X
Publisher:
Elsevier
Country of Publication:
Country unknown/Code not available
Language:
English
Subject:
09 BIOMASS FUELS; brown grease; fermentation; lipid extraction; butyric acid; technoeconomic analysis; ALPL

Citation Formats

Spiller, Ryan, Knoshaug, Eric P., Nagle, Nick, Dong, Tao, Milbrandt, Anelia, Clippinger, Jennifer, Peterson, Darren, VanWychen, Stefanie, Panczak, Bonnie, and Pienkos, Philip T. Upgrading brown grease for the production of biofuel intermediates. Country unknown/Code not available: N. p., 2020. Web. doi:10.1016/j.biteb.2019.100344.
Spiller, Ryan, Knoshaug, Eric P., Nagle, Nick, Dong, Tao, Milbrandt, Anelia, Clippinger, Jennifer, Peterson, Darren, VanWychen, Stefanie, Panczak, Bonnie, & Pienkos, Philip T. Upgrading brown grease for the production of biofuel intermediates. Country unknown/Code not available. doi:10.1016/j.biteb.2019.100344.
Spiller, Ryan, Knoshaug, Eric P., Nagle, Nick, Dong, Tao, Milbrandt, Anelia, Clippinger, Jennifer, Peterson, Darren, VanWychen, Stefanie, Panczak, Bonnie, and Pienkos, Philip T. Sat . "Upgrading brown grease for the production of biofuel intermediates". Country unknown/Code not available. doi:10.1016/j.biteb.2019.100344.
@article{osti_1573432,
title = {Upgrading brown grease for the production of biofuel intermediates},
author = {Spiller, Ryan and Knoshaug, Eric P. and Nagle, Nick and Dong, Tao and Milbrandt, Anelia and Clippinger, Jennifer and Peterson, Darren and VanWychen, Stefanie and Panczak, Bonnie and Pienkos, Philip T.},
abstractNote = {Products from waste streams can reduce the amount of materials going to landfills or being incinerated. Brown grease captured from grease traps or wastewater facilities is produced at approximately 1,500,000 metric tons annually in the United States. Two brown grease samples were characterized from a local collector. Raw brown grease was fermented using Clostridium butyricum to produce butyric acid, achieving a yield of 0.55 butyric acid/g sugars indicating that glycerol and lactic acid were also converted. Hexane extraction of the fermentation broth gave an 81.3% recovery of lipids. Techno-economic analysis calculated a minimum fuel selling price of $\textit{\$}$1.81 per gallon gasoline equivalent (GGE) for a facility based on a city the size of Denver and a brown grease delivery price of $\textit{\$}$100 per dry metric ton. Exploiting waste streams as feedstocks can significantly reduce costs to produce fuels and can be brought to scale more rapidly due to their ready availability.},
doi = {10.1016/j.biteb.2019.100344},
journal = {Bioresource Technology Reports},
number = C,
volume = 9,
place = {Country unknown/Code not available},
year = {2020},
month = {2}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1016/j.biteb.2019.100344

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