Upgrading brown grease for the production of biofuel intermediates

doi:10.1016/j.biteb.2019.100344

Title: Upgrading brown grease for the production of biofuel intermediates

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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:

Spiller, Ryan ^[1];

^[1]; Nagle, Nick ^[1];

^[1]; Milbrandt, Anelia ^[1];

^[1]; Peterson, Darren ^[1]; VanWychen, Stefanie ^[1]; Panczak, Bonnie ^[1]; Pienkos, Philip T. ^[1]

National Renewable Energy Lab. (NREL), Golden, CO (United States)

Publication Date:: 2019-11-07

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

Grant/Contract Number:: AC36-08GO28308

Resource Type:: Published Article

Journal Name:: Bioresource Technology Reports

Additional Journal Information:: Journal Volume: 9; Journal Issue: C; Journal ID: ISSN 2589-014X

Country of Publication:: United States

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.  United States: N. p., 2019. 
        Web.  doi:10.1016/j.biteb.2019.100344.

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                    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.  United States.  doi:10.1016/j.biteb.2019.100344.

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                    Spiller, Ryan, Knoshaug, Eric P., Nagle, Nick, Dong, Tao, Milbrandt, Anelia, Clippinger, Jennifer, Peterson, Darren, VanWychen, Stefanie, Panczak, Bonnie, and Pienkos, Philip T. Thu .  
        "Upgrading brown grease for the production of biofuel intermediates".  United States.  doi:10.1016/j.biteb.2019.100344.

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@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        = {United States},

  year         = {2019},

  month        = {11}

}

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