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Title: Recalcitrance Assessment of the Agro-industrial Residues from Five Agave Species: Ionic Liquid Pretreatment, Saccharification and Structural Characterization

Agave has recently shown its potential as a bioenergy feedstock with promising features such as higher biomass productivity than leading bioenergy feedstock while at the same time being drought-resistant with low water requirements and high sugar to ethanol conversion using ionic liquid (IL) pretreatment. Here, IL pretreatment was studied to develop the first direct side-by-side comparative recalcitrance assessment of the agro-industrial residues from five Agave species [ Agave americana (AME), A. angustifolia (ANG), A. fourcroydes (FOU), A. salmiana (SAL), and A. tequilana (TEQ)] using compositional analysis, X-ray diffraction, and the lignin syringyl/guaiacyl subunit ratio (S/G) by pyrolysis molecular beam mass spectrometry (PyMBMS). Prominent calcium oxalate peaks were found only in unpretreated AME, SAL, and TEQ. The S/G ratios of all five unpretreated Agave species were between 1.27 and 1.57 while the IL-pretreated samples were from 1.39 to 1.72. The highest overall sugar production was obtained with IL-pretreated FOU with 492 mg glucose/g biomass and 157 mg xylose/g biomass at 120°C and 3 h using 1-ethyl-3-methylimidazolium acetate ([C 2C 1Im][OAc]). An estimated theoretical ethanol yield from the studied agro-industrial residues from the five Agave species was in the range of 1060 to 5800 L ethanol/ha/year. These comparison results demonstrate the potentialmore » of the Agave spp. as a suitable biofuel feedstock which can be employed within a biorefinery scheme.« less
Authors:
 [1] ;  [1] ;  [2] ;  [3] ;  [4]
  1. Autonomous Univ. of Nayarit, Tepic (Mexico). Dept. of Chemical Engineering
  2. Autonomous Univ. of Nayarit, Tepic (Mexico). Food Technology Unit
  3. National Renewable Energy Lab. (NREL), Golden, CO (United States)
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). BioEnergy Science Center (BESC); National Renewable Energy Lab. (NREL), Golden, CO (United States). National Bioenergy Center
Publication Date:
Report Number(s):
NREL/JA-2700-71742
Journal ID: ISSN 1939-1234
Grant/Contract Number:
AC05-00OR22725; AC36-08-GO28308
Type:
Accepted Manuscript
Journal Name:
BioEnergy Research
Additional Journal Information:
Journal Volume: 11; Journal Issue: 3; Journal ID: ISSN 1939-1234
Publisher:
Springer
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org:
USDOE Office of Science (SC), Biological and Environmental Research (BER) (SC-23)
Contributing Orgs:
Novozymes A/S, Copenhagen (Denmark); Bioagaves de la Costa, Tepic (Mexico); Destilería Leyros, Tequila (Mexico); Mezcal Koch, Oaxaca (Mexico); Hacienda Aké, Tixkokob (Mexico)
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; 59 BASIC BIOLOGICAL SCIENCES; Agave; Biofuels; Characterization; Crystallinity; S/G; Saccharification
OSTI Identifier:
1474460

Pérez-Pimienta, José A., Mojica-Álvarez, Reyna M., Sánchez-Herrera, Leticia M., Mittal, Ashutosh, and Sykes, Robert W.. Recalcitrance Assessment of the Agro-industrial Residues from Five Agave Species: Ionic Liquid Pretreatment, Saccharification and Structural Characterization. United States: N. p., Web. doi:10.1007/s12155-018-9920-5.
Pérez-Pimienta, José A., Mojica-Álvarez, Reyna M., Sánchez-Herrera, Leticia M., Mittal, Ashutosh, & Sykes, Robert W.. Recalcitrance Assessment of the Agro-industrial Residues from Five Agave Species: Ionic Liquid Pretreatment, Saccharification and Structural Characterization. United States. doi:10.1007/s12155-018-9920-5.
Pérez-Pimienta, José A., Mojica-Álvarez, Reyna M., Sánchez-Herrera, Leticia M., Mittal, Ashutosh, and Sykes, Robert W.. 2018. "Recalcitrance Assessment of the Agro-industrial Residues from Five Agave Species: Ionic Liquid Pretreatment, Saccharification and Structural Characterization". United States. doi:10.1007/s12155-018-9920-5.
@article{osti_1474460,
title = {Recalcitrance Assessment of the Agro-industrial Residues from Five Agave Species: Ionic Liquid Pretreatment, Saccharification and Structural Characterization},
author = {Pérez-Pimienta, José A. and Mojica-Álvarez, Reyna M. and Sánchez-Herrera, Leticia M. and Mittal, Ashutosh and Sykes, Robert W.},
abstractNote = {Agave has recently shown its potential as a bioenergy feedstock with promising features such as higher biomass productivity than leading bioenergy feedstock while at the same time being drought-resistant with low water requirements and high sugar to ethanol conversion using ionic liquid (IL) pretreatment. Here, IL pretreatment was studied to develop the first direct side-by-side comparative recalcitrance assessment of the agro-industrial residues from five Agave species [Agave americana (AME), A. angustifolia (ANG), A. fourcroydes (FOU), A. salmiana (SAL), and A. tequilana (TEQ)] using compositional analysis, X-ray diffraction, and the lignin syringyl/guaiacyl subunit ratio (S/G) by pyrolysis molecular beam mass spectrometry (PyMBMS). Prominent calcium oxalate peaks were found only in unpretreated AME, SAL, and TEQ. The S/G ratios of all five unpretreated Agave species were between 1.27 and 1.57 while the IL-pretreated samples were from 1.39 to 1.72. The highest overall sugar production was obtained with IL-pretreated FOU with 492 mg glucose/g biomass and 157 mg xylose/g biomass at 120°C and 3 h using 1-ethyl-3-methylimidazolium acetate ([C2C1Im][OAc]). An estimated theoretical ethanol yield from the studied agro-industrial residues from the five Agave species was in the range of 1060 to 5800 L ethanol/ha/year. These comparison results demonstrate the potential of the Agave spp. as a suitable biofuel feedstock which can be employed within a biorefinery scheme.},
doi = {10.1007/s12155-018-9920-5},
journal = {BioEnergy Research},
number = 3,
volume = 11,
place = {United States},
year = {2018},
month = {5}
}

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