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Effect of citric acid leaching on the demineralization and thermal degradation behavior of sugarcane trash and bagasse

(2018) BIOMASS & BIOENERGY. 108. p.371-380
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Abstract
The effect of leaching with citric acid on the ash fraction removed and the resulting changes in thermal degradation behavior of sugarcane trash (SCT) and sugarcane bagasse (SCB), was studied. A comparison between citric acid and well-known leaching agents including H2SO4, HCl and water, was made considering their effects on chemical, structural and thermal properties of the leached SCT and SCB. Demineralization and potential biomass hydrolysis was evaluated based on proximate and elemental analyses, Fourier transform infrared spectroscopy (FTIR-ATR) and thermogravimetric analysis (TGA). For citric acid and the reference leaching solutions, the mass fraction of ash removed was in a narrow range (between 38.9 and 54.1%) regardless of biomass type and leaching conditions (temperature and time) tested. The nonparametric bifactorial analysis of results revealed that the nature of leaching solution and its interaction with contact time are of major significance when demineralizing both SCT and SCB. Interestingly, no significance of temperature and its interaction with contact time was found. In acid-treated samples, the 1730 cm(-1) IR-band was sharpened while the signal at 1600 cm(-1) was largely attenuated, which could be attributed to the modification of the xylan fraction and to the substitution of C = O by OH groups. These mild structural changes, caused by hydrolysis, demonstrated to be very important for subsequent thermal degradation. The later was confirmed by the disappearance of the hemi-cellulose decomposition peak in the derivative thermogravimetric (DTG) curve.
Keywords
Sugarcane trash, Sugarcane bagasse, Leaching, TGA, Pyrolysis, FAST PYROLYSIS, CANE BAGASSE, FERMENTABLE SUGARS, PRETREATMENT, BIOMASS, WOOD, HYDROLYSIS, STRAW, CELLULOSE, ASH

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MLA
Rodríguez Machín, Lizet et al. “Effect of Citric Acid Leaching on the Demineralization and Thermal Degradation Behavior of Sugarcane Trash and Bagasse.” BIOMASS & BIOENERGY 108 (2018): 371–380. Print.
APA
Rodríguez Machín, L., Arteaga-Pérez, L. E., Pérez-Bermúdez, R. A., Casas-Ledón, Y., Prins, W., & Ronsse, F. (2018). Effect of citric acid leaching on the demineralization and thermal degradation behavior of sugarcane trash and bagasse. BIOMASS & BIOENERGY, 108, 371–380.
Chicago author-date
Rodríguez Machín, Lizet, Luis E Arteaga-Pérez, Raúl A Pérez-Bermúdez, Yannay Casas-Ledón, Wolter Prins, and Frederik Ronsse. 2018. “Effect of Citric Acid Leaching on the Demineralization and Thermal Degradation Behavior of Sugarcane Trash and Bagasse.” Biomass & Bioenergy 108: 371–380.
Chicago author-date (all authors)
Rodríguez Machín, Lizet, Luis E Arteaga-Pérez, Raúl A Pérez-Bermúdez, Yannay Casas-Ledón, Wolter Prins, and Frederik Ronsse. 2018. “Effect of Citric Acid Leaching on the Demineralization and Thermal Degradation Behavior of Sugarcane Trash and Bagasse.” Biomass & Bioenergy 108: 371–380.
Vancouver
1.
Rodríguez Machín L, Arteaga-Pérez LE, Pérez-Bermúdez RA, Casas-Ledón Y, Prins W, Ronsse F. Effect of citric acid leaching on the demineralization and thermal degradation behavior of sugarcane trash and bagasse. BIOMASS & BIOENERGY. 2018;108:371–80.
IEEE
[1]
L. Rodríguez Machín, L. E. Arteaga-Pérez, R. A. Pérez-Bermúdez, Y. Casas-Ledón, W. Prins, and F. Ronsse, “Effect of citric acid leaching on the demineralization and thermal degradation behavior of sugarcane trash and bagasse,” BIOMASS & BIOENERGY, vol. 108, pp. 371–380, 2018.
@article{8543877,
  abstract     = {The effect of leaching with citric acid on the ash fraction removed and the resulting changes in thermal degradation behavior of sugarcane trash (SCT) and sugarcane bagasse (SCB), was studied. A comparison between citric acid and well-known leaching agents including H2SO4, HCl and water, was made considering their effects on chemical, structural and thermal properties of the leached SCT and SCB. Demineralization and potential biomass hydrolysis was evaluated based on proximate and elemental analyses, Fourier transform infrared spectroscopy (FTIR-ATR) and thermogravimetric analysis (TGA). For citric acid and the reference leaching solutions, the mass fraction of ash removed was in a narrow range (between 38.9 and 54.1%) regardless of biomass type and leaching conditions (temperature and time) tested. The nonparametric bifactorial analysis of results revealed that the nature of leaching solution and its interaction with contact time are of major significance when demineralizing both SCT and SCB. Interestingly, no significance of temperature and its interaction with contact time was found. In acid-treated samples, the 1730 cm(-1) IR-band was sharpened while the signal at 1600 cm(-1) was largely attenuated, which could be attributed to the modification of the xylan fraction and to the substitution of C = O by OH groups. These mild structural changes, caused by hydrolysis, demonstrated to be very important for subsequent thermal degradation. The later was confirmed by the disappearance of the hemi-cellulose decomposition peak in the derivative thermogravimetric (DTG) curve.},
  author       = {Rodríguez Machín, Lizet and Arteaga-Pérez, Luis E and Pérez-Bermúdez, Raúl A and Casas-Ledón, Yannay and Prins, Wolter and Ronsse, Frederik},
  issn         = {0961-9534},
  journal      = {BIOMASS & BIOENERGY},
  keywords     = {Sugarcane trash,Sugarcane bagasse,Leaching,TGA,Pyrolysis,FAST PYROLYSIS,CANE BAGASSE,FERMENTABLE SUGARS,PRETREATMENT,BIOMASS,WOOD,HYDROLYSIS,STRAW,CELLULOSE,ASH},
  language     = {eng},
  pages        = {371--380},
  title        = {Effect of citric acid leaching on the demineralization and thermal degradation behavior of sugarcane trash and bagasse},
  url          = {http://dx.doi.org/10.1016/j.biombioe.2017.11.001},
  volume       = {108},
  year         = {2018},
}

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