Composition-Preserving Extraction and Characterization of Biomass Extrinsic and Intrinsic Inorganic Compounds

Lee, Kyungjun; Roy, Sougata; Cakmak, Ercan; Lacey, Jeffrey A.; Watkins, Thomas R.; Meyer, III, Harry M.; Thompson, Vicki S.; Keiser, James R.; Qu, Jun

doi:10.1021/acssuschemeng.9b06429

Title: Composition-Preserving Extraction and Characterization of Biomass Extrinsic and Intrinsic Inorganic Compounds

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Abstract

The inorganic content of biomass impairs size reduction tool life and the conversion process. Conventional ash extraction relies on furnace combustion that inevitably alters the inorganic compounds due to oxidation and decomposition. This study developed composition-preserving methods for extracting and analyzing extrinsic and intrinsic inorganic compounds. Comprehensive characterization was carried out on selected biomass feedstocks, including corn stover, pine residue, and pine anatomical fractions, to reveal their inorganic species and morphology. The extrinsic inorganic compounds were found to be dominated by quartz, along with other minor minerals, such as albite, microcline, and gehlenite, and have particle sizes ranging from tens to hundreds of micrometers. Among the pine anatomical fractions, the needles contain the highest intrinsic silicon content while the bark trapped the most extrinsic minerals. By correlation of the total ash and extrinsic inorganic contents to the wear behavior, both the extrinsic and intrinsic inorganic compounds were concluded to have made significant contributions to the wear process. Finally, the results here validated a new approach to characterize inorganic compounds in biomass and provided fundamental insights for their potential impact on preprocessing tool wear.

Authors:

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^[1]; Lacey, Jeffrey A. ^[2];

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Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division
Idaho National Lab. (INL), Idaho Falls, ID (United States)

Publication Date:: 2020-02-02

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Sustainable Transportation Office. Bioenergy Technologies Office

OSTI Identifier:: 1606866

Grant/Contract Number:: AC05-00OR22725

Resource Type:: Accepted Manuscript

Journal Name:: ACS Sustainable Chemistry & Engineering

Additional Journal Information:: Journal Volume: 8; Journal Issue: 3; Journal ID: ISSN 2168-0485

Publisher:: American Chemical Society (ACS)

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Biomass; Corn stover; Pine residue; Extrinsic and intrinsic; Inorganic compound; Ash

Citation Formats


                    Lee, Kyungjun, Roy, Sougata, Cakmak, Ercan, Lacey, Jeffrey A., Watkins, Thomas R., Meyer, III, Harry M., Thompson, Vicki S., Keiser, James R., and Qu, Jun. Composition-Preserving Extraction and Characterization of Biomass Extrinsic and Intrinsic Inorganic Compounds.  United States: N. p., 2020. 
Web.  doi:10.1021/acssuschemeng.9b06429.

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                    Lee, Kyungjun, Roy, Sougata, Cakmak, Ercan, Lacey, Jeffrey A., Watkins, Thomas R., Meyer, III, Harry M., Thompson, Vicki S., Keiser, James R., & Qu, Jun. Composition-Preserving Extraction and Characterization of Biomass Extrinsic and Intrinsic Inorganic Compounds.  United States.  https://doi.org/10.1021/acssuschemeng.9b06429

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                    Lee, Kyungjun, Roy, Sougata, Cakmak, Ercan, Lacey, Jeffrey A., Watkins, Thomas R., Meyer, III, Harry M., Thompson, Vicki S., Keiser, James R., and Qu, Jun. Sun .  
"Composition-Preserving Extraction and Characterization of Biomass Extrinsic and Intrinsic Inorganic Compounds".  United States.  https://doi.org/10.1021/acssuschemeng.9b06429.  https://www.osti.gov/servlets/purl/1606866.

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@article{osti_1606866,

  title        = {Composition-Preserving Extraction and Characterization of Biomass Extrinsic and Intrinsic Inorganic Compounds},

  author       = {Lee, Kyungjun and Roy, Sougata and Cakmak, Ercan and Lacey, Jeffrey A. and Watkins, Thomas R. and Meyer, III, Harry M. and Thompson, Vicki S. and Keiser, James R. and Qu, Jun},

  abstractNote = {The inorganic content of biomass impairs size reduction tool life and the conversion process. Conventional ash extraction relies on furnace combustion that inevitably alters the inorganic compounds due to oxidation and decomposition. This study developed composition-preserving methods for extracting and analyzing extrinsic and intrinsic inorganic compounds. Comprehensive characterization was carried out on selected biomass feedstocks, including corn stover, pine residue, and pine anatomical fractions, to reveal their inorganic species and morphology. The extrinsic inorganic compounds were found to be dominated by quartz, along with other minor minerals, such as albite, microcline, and gehlenite, and have particle sizes ranging from tens to hundreds of micrometers. Among the pine anatomical fractions, the needles contain the highest intrinsic silicon content while the bark trapped the most extrinsic minerals. By correlation of the total ash and extrinsic inorganic contents to the wear behavior, both the extrinsic and intrinsic inorganic compounds were concluded to have made significant contributions to the wear process. Finally, the results here validated a new approach to characterize inorganic compounds in biomass and provided fundamental insights for their potential impact on preprocessing tool wear.},

  doi          = {10.1021/acssuschemeng.9b06429},

  journal      = {ACS Sustainable Chemistry & Engineering},

  number       = 3,

  volume       = 8,

  place        = {United States},

  year         = {2020},

  month        = {2}

}

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