Biomechanical pulping of spruce wood chips with Streptomyces cyaneus CECT 3335 and handsheet characterization

Manuel Hernandéz, M. Jesus Hernandéz-Coronado, M. Isabel Pérez, Esteban Revilla, Juan C. Villar, Andrew S. Ball, Liisa Viikari, M. Enriqueta Arias (Corresponding Author)

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)

Abstract

The actinobacterium Streptomyces cyaneus CECT 3335 was evaluated for its ability to delignify spruce wood chips (Picea abies) after 2 weeks of incubation prior to refiner mechanical pulping. Weight loss of the chips during the treatment ranged from 2% to 3%. Chemicalanalysis of the treated wood showed an increase in acid-soluble lignin content concomitant with a notable increase in the acid/aldehyde+ketone [AC/(AL+KE)] ratio of the lignin compared with the control. Structural alterations in wood cell walls were observed by optical and scanning microscopy using astra blue-safranin staining and cryosections stained with gold/palladium, respectively. A gradual loss of lignin from the lumen towards the middle lamella and incipient defiberization could be observed. The estimation of specific energy for the defibration and refining stages of treated pulp showed a 24% reduction in the energy required, largely due to a 30% saving in the defibration of chips. The analysis of handsheets obtained from treated pulp showed a notable improvement in some strength properties, such as breaking length, tear index and stretch. In addition, the high Gurley air resistance value indicates more packing of the voids of the fiber network. These results demonstrate for the first time the suitability of Streptomyces cyaneus for biomechanical pulping purposes.
Original languageEnglish
Pages (from-to)173 - 177
Number of pages5
JournalHolzforschung
Volume59
Issue number2
DOIs
Publication statusPublished - 2005
MoE publication typeA1 Journal article-refereed

Fingerprint

Lignin
Wood
Pulp
Acids
Palladium
Ketones
Aldehydes
Gold
Refining
Microscopic examination
Cells
Scanning
Fibers
Air

Keywords

  • biomechanical pulping
  • handsheet properties
  • saving energy
  • spruce wood chips
  • Streptomyces

Cite this

Hernandéz, M., Hernandéz-Coronado, M. J., Pérez, M. I., Revilla, E., Villar, J. C., Ball, A. S., ... Arias, M. E. (2005). Biomechanical pulping of spruce wood chips with Streptomyces cyaneus CECT 3335 and handsheet characterization. Holzforschung, 59(2), 173 - 177. https://doi.org/10.1515/HF.2005.027
Hernandéz, Manuel ; Hernandéz-Coronado, M. Jesus ; Pérez, M. Isabel ; Revilla, Esteban ; Villar, Juan C. ; Ball, Andrew S. ; Viikari, Liisa ; Arias, M. Enriqueta. / Biomechanical pulping of spruce wood chips with Streptomyces cyaneus CECT 3335 and handsheet characterization. In: Holzforschung. 2005 ; Vol. 59, No. 2. pp. 173 - 177.
@article{8b04a42799ce437c8684f0f3359a9599,
title = "Biomechanical pulping of spruce wood chips with Streptomyces cyaneus CECT 3335 and handsheet characterization",
abstract = "The actinobacterium Streptomyces cyaneus CECT 3335 was evaluated for its ability to delignify spruce wood chips (Picea abies) after 2 weeks of incubation prior to refiner mechanical pulping. Weight loss of the chips during the treatment ranged from 2{\%} to 3{\%}. Chemicalanalysis of the treated wood showed an increase in acid-soluble lignin content concomitant with a notable increase in the acid/aldehyde+ketone [AC/(AL+KE)] ratio of the lignin compared with the control. Structural alterations in wood cell walls were observed by optical and scanning microscopy using astra blue-safranin staining and cryosections stained with gold/palladium, respectively. A gradual loss of lignin from the lumen towards the middle lamella and incipient defiberization could be observed. The estimation of specific energy for the defibration and refining stages of treated pulp showed a 24{\%} reduction in the energy required, largely due to a 30{\%} saving in the defibration of chips. The analysis of handsheets obtained from treated pulp showed a notable improvement in some strength properties, such as breaking length, tear index and stretch. In addition, the high Gurley air resistance value indicates more packing of the voids of the fiber network. These results demonstrate for the first time the suitability of Streptomyces cyaneus for biomechanical pulping purposes.",
keywords = "biomechanical pulping, handsheet properties, saving energy, spruce wood chips, Streptomyces",
author = "Manuel Hernand{\'e}z and Hernand{\'e}z-Coronado, {M. Jesus} and P{\'e}rez, {M. Isabel} and Esteban Revilla and Villar, {Juan C.} and Ball, {Andrew S.} and Liisa Viikari and Arias, {M. Enriqueta}",
year = "2005",
doi = "10.1515/HF.2005.027",
language = "English",
volume = "59",
pages = "173 -- 177",
journal = "Holzforschung",
issn = "0018-3830",
publisher = "De Gruyter",
number = "2",

}

Hernandéz, M, Hernandéz-Coronado, MJ, Pérez, MI, Revilla, E, Villar, JC, Ball, AS, Viikari, L & Arias, ME 2005, 'Biomechanical pulping of spruce wood chips with Streptomyces cyaneus CECT 3335 and handsheet characterization', Holzforschung, vol. 59, no. 2, pp. 173 - 177. https://doi.org/10.1515/HF.2005.027

Biomechanical pulping of spruce wood chips with Streptomyces cyaneus CECT 3335 and handsheet characterization. / Hernandéz, Manuel; Hernandéz-Coronado, M. Jesus; Pérez, M. Isabel; Revilla, Esteban; Villar, Juan C.; Ball, Andrew S.; Viikari, Liisa; Arias, M. Enriqueta (Corresponding Author).

In: Holzforschung, Vol. 59, No. 2, 2005, p. 173 - 177.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Biomechanical pulping of spruce wood chips with Streptomyces cyaneus CECT 3335 and handsheet characterization

AU - Hernandéz, Manuel

AU - Hernandéz-Coronado, M. Jesus

AU - Pérez, M. Isabel

AU - Revilla, Esteban

AU - Villar, Juan C.

AU - Ball, Andrew S.

AU - Viikari, Liisa

AU - Arias, M. Enriqueta

PY - 2005

Y1 - 2005

N2 - The actinobacterium Streptomyces cyaneus CECT 3335 was evaluated for its ability to delignify spruce wood chips (Picea abies) after 2 weeks of incubation prior to refiner mechanical pulping. Weight loss of the chips during the treatment ranged from 2% to 3%. Chemicalanalysis of the treated wood showed an increase in acid-soluble lignin content concomitant with a notable increase in the acid/aldehyde+ketone [AC/(AL+KE)] ratio of the lignin compared with the control. Structural alterations in wood cell walls were observed by optical and scanning microscopy using astra blue-safranin staining and cryosections stained with gold/palladium, respectively. A gradual loss of lignin from the lumen towards the middle lamella and incipient defiberization could be observed. The estimation of specific energy for the defibration and refining stages of treated pulp showed a 24% reduction in the energy required, largely due to a 30% saving in the defibration of chips. The analysis of handsheets obtained from treated pulp showed a notable improvement in some strength properties, such as breaking length, tear index and stretch. In addition, the high Gurley air resistance value indicates more packing of the voids of the fiber network. These results demonstrate for the first time the suitability of Streptomyces cyaneus for biomechanical pulping purposes.

AB - The actinobacterium Streptomyces cyaneus CECT 3335 was evaluated for its ability to delignify spruce wood chips (Picea abies) after 2 weeks of incubation prior to refiner mechanical pulping. Weight loss of the chips during the treatment ranged from 2% to 3%. Chemicalanalysis of the treated wood showed an increase in acid-soluble lignin content concomitant with a notable increase in the acid/aldehyde+ketone [AC/(AL+KE)] ratio of the lignin compared with the control. Structural alterations in wood cell walls were observed by optical and scanning microscopy using astra blue-safranin staining and cryosections stained with gold/palladium, respectively. A gradual loss of lignin from the lumen towards the middle lamella and incipient defiberization could be observed. The estimation of specific energy for the defibration and refining stages of treated pulp showed a 24% reduction in the energy required, largely due to a 30% saving in the defibration of chips. The analysis of handsheets obtained from treated pulp showed a notable improvement in some strength properties, such as breaking length, tear index and stretch. In addition, the high Gurley air resistance value indicates more packing of the voids of the fiber network. These results demonstrate for the first time the suitability of Streptomyces cyaneus for biomechanical pulping purposes.

KW - biomechanical pulping

KW - handsheet properties

KW - saving energy

KW - spruce wood chips

KW - Streptomyces

U2 - 10.1515/HF.2005.027

DO - 10.1515/HF.2005.027

M3 - Article

VL - 59

SP - 173

EP - 177

JO - Holzforschung

JF - Holzforschung

SN - 0018-3830

IS - 2

ER -

Hernandéz M, Hernandéz-Coronado MJ, Pérez MI, Revilla E, Villar JC, Ball AS et al. Biomechanical pulping of spruce wood chips with Streptomyces cyaneus CECT 3335 and handsheet characterization. Holzforschung. 2005;59(2):173 - 177. https://doi.org/10.1515/HF.2005.027