<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Lignocellulose material is the main natural resource for the pulp and paper industry, and for its application the material should have a degree of whiteness as high as possible. For this reason, different bleaching treatments were applied during time. In this paper, the photobleaching induced by solar light of a lignocellulosic biomass using NaClO was studied. The colorimetric measurements, UV spectra absorption, and FTIR spectra changes are evaluated and discussed in this paper. The changes of L*a*b parameters can be considered a proof of the reactions generated by hypochlorite radicals during solar light exposure, leading to a biomass whitening.</p>
</abstract>

Lignocellulose material is the main natural resource for the pulp and paper industry, and for its application the material should have a degree of whiteness as high as possible. For this reason, different bleaching treatments were applied during time. In this paper, the photobleaching induced by solar light of a lignocellulosic biomass using NaClO was studied. The colorimetric measurements, UV spectra absorption, and FTIR spectra changes are evaluated and discussed in this paper. The changes of L*a*b parameters can be considered a proof of the reactions generated by hypochlorite radicals during solar light exposure, leading to a biomass whitening.

Solar-Driven Photobleaching of Lignocellulosic Biomass

Scientific Bulletin of Valahia University - Materials and Mechanics

This work is licensed under the Creative Commons Attribution 4.0 International License.

{"article-title":"Solar-Driven Photobleaching of Lignocellulosic Biomass"}

Lignocellulose material is the main natural resource for the pulp and paper industry, and for its application the material should have a degree of whiteness as...

Solar-Driven Photobleaching of Lignocellulosic Biomass

Online veröffentlicht: 02. Mai 2024

Seitenbereich: 35 - 41

DOI: https://doi.org/10.2478/bsmm-2024-0007

Schlüsselwörter
lignocellulose biomass, solar-driven, bleaching, UV irradiation, colorimetric tests, kappa number

© 2024 Ramona Marina Grigorescu et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Solar-Driven Photobleaching of Lignocellulosic Biomass

Online veröffentlicht: 02. Mai 2024

Seitenbereich: 35 - 41

DOI: https://doi.org/10.2478/bsmm-2024-0007

Schlüsselwörterlignocellulose biomass, solar-driven, bleaching, UV irradiation, colorimetric tests, kappa number

© 2024 Ramona Marina Grigorescu et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Schlüsselwörter
lignocellulose biomass, solar-driven, bleaching, UV irradiation, colorimetric tests, kappa number