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Fast pyrolysis with fractional condensation of lignin-rich digested stillage from second-generation bioethanol production

Neil Priharto (UGent) , Frederik Ronsse (UGent) , Güray Yildiz, Hero Jan Heeres, Peter J Deuss and Wolter Prins (UGent)
(2020) JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS. 145.
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Abstract
Poplar-derived lignin-rich feedstock (i.e. stillage) obtained from bioethanol production was subjected to fast pyrolysis in a modified fluidised bed reactor at 430 degrees C, 480 degrees C, and 530 degrees C. The stillage was pretreated by enzymatic digestion prior to fast pyrolysis. Pyrolysis vapors were collected by fractional condensation to separate the heavy organic and aqueous phase liquids. The intention of this study was to assess the potential utilization of lignin-rich digested stillage as a fast pyrolysis feedstock. Heavy organic and aqueous phase pyrolysis liquids were obtained in yields ranging from 15.1-18.1 wt.% and 9.7-13.4 wt.% respectively. The rest of the feedstock material was converted to char (37.1-44.7 wt.%) and non-condensable gases (27.1-31.5 wt.%). Detailed liquid analysis indicated that the heavy organic phase fractions contain compounds arising from the degradation of lignin, residual microbial biomass and remaining polysaccharides. Fast pyrolysis adds 26.8 wt.% to the conversion of this otherwise recalcitrant feedstock material, thereby reducing waste generation and enhancing the value of second-generation bioethanol production.
Keywords
Lignin-rich digested stillage, Fast pyrolysis, Fractional condensation, Mechanically stirred bed, Pyrolysis liquids, CATALYTIC FAST PYROLYSIS, BIO-OIL, POPLAR, IDENTIFICATION, PRETREATMENT, COMPONENTS, GENOTYPES, BIOFUELS

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MLA
Priharto, Neil, et al. “Fast Pyrolysis with Fractional Condensation of Lignin-Rich Digested Stillage from Second-Generation Bioethanol Production.” JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS, vol. 145, 2020, doi:10.1016/j.jaap.2019.104756.
APA
Priharto, N., Ronsse, F., Yildiz, G., Heeres, H. J., Deuss, P. J., & Prins, W. (2020). Fast pyrolysis with fractional condensation of lignin-rich digested stillage from second-generation bioethanol production. JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS, 145. https://doi.org/10.1016/j.jaap.2019.104756
Chicago author-date
Priharto, Neil, Frederik Ronsse, Güray Yildiz, Hero Jan Heeres, Peter J Deuss, and Wolter Prins. 2020. “Fast Pyrolysis with Fractional Condensation of Lignin-Rich Digested Stillage from Second-Generation Bioethanol Production.” JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS 145. https://doi.org/10.1016/j.jaap.2019.104756.
Chicago author-date (all authors)
Priharto, Neil, Frederik Ronsse, Güray Yildiz, Hero Jan Heeres, Peter J Deuss, and Wolter Prins. 2020. “Fast Pyrolysis with Fractional Condensation of Lignin-Rich Digested Stillage from Second-Generation Bioethanol Production.” JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS 145. doi:10.1016/j.jaap.2019.104756.
Vancouver
1.
Priharto N, Ronsse F, Yildiz G, Heeres HJ, Deuss PJ, Prins W. Fast pyrolysis with fractional condensation of lignin-rich digested stillage from second-generation bioethanol production. JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS. 2020;145.
IEEE
[1]
N. Priharto, F. Ronsse, G. Yildiz, H. J. Heeres, P. J. Deuss, and W. Prins, “Fast pyrolysis with fractional condensation of lignin-rich digested stillage from second-generation bioethanol production,” JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS, vol. 145, 2020.
@article{8639384,
  abstract     = {{Poplar-derived lignin-rich feedstock (i.e. stillage) obtained from bioethanol production was subjected to fast pyrolysis in a modified fluidised bed reactor at 430 degrees C, 480 degrees C, and 530 degrees C. The stillage was pretreated by enzymatic digestion prior to fast pyrolysis. Pyrolysis vapors were collected by fractional condensation to separate the heavy organic and aqueous phase liquids. The intention of this study was to assess the potential utilization of lignin-rich digested stillage as a fast pyrolysis feedstock. Heavy organic and aqueous phase pyrolysis liquids were obtained in yields ranging from 15.1-18.1 wt.% and 9.7-13.4 wt.% respectively. The rest of the feedstock material was converted to char (37.1-44.7 wt.%) and non-condensable gases (27.1-31.5 wt.%). Detailed liquid analysis indicated that the heavy organic phase fractions contain compounds arising from the degradation of lignin, residual microbial biomass and remaining polysaccharides. Fast pyrolysis adds 26.8 wt.% to the conversion of this otherwise recalcitrant feedstock material, thereby reducing waste generation and enhancing the value of second-generation bioethanol production.}},
  articleno    = {{104756}},
  author       = {{Priharto, Neil and Ronsse, Frederik and Yildiz, Güray and Heeres, Hero Jan and Deuss, Peter J and Prins, Wolter}},
  issn         = {{0165-2370}},
  journal      = {{JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS}},
  keywords     = {{Lignin-rich digested stillage,Fast pyrolysis,Fractional condensation,Mechanically stirred bed,Pyrolysis liquids,CATALYTIC FAST PYROLYSIS,BIO-OIL,POPLAR,IDENTIFICATION,PRETREATMENT,COMPONENTS,GENOTYPES,BIOFUELS}},
  language     = {{eng}},
  pages        = {{11}},
  title        = {{Fast pyrolysis with fractional condensation of lignin-rich digested stillage from second-generation bioethanol production}},
  url          = {{http://dx.doi.org/10.1016/j.jaap.2019.104756}},
  volume       = {{145}},
  year         = {{2020}},
}
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