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Analysis of the influence of pre-treatment with liquid hot water (LHW) on the chemical composition of wooden chips

Analiza uticaja predtretmana vrelom vodom (LHW) na hemijski sastav drvnog iverja

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2022
bitstream_1074.pdf (530.4Kb)
Authors
Drpić, Aleksandar
Popović, Jasmina
Popović, Mlađan
Điporović-Momčilović, Milanka
Article (Published version)
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Abstract
The goal of this paper is to analyze the chemical composition of untreated and treated wooden chips from the native narrow-leaved ash (Fraxinus angustifolia Vahl. ssp. Pannonica Soó & Simon). In order to determine the effect of pretreatment with liquid hot water (LHW) on changes in chemical composition, the content of moisture, cellulose, lignin, minerals (ash), extractives soluble in hot water, extractives soluble in organic solvents, for treated and for untreated wooden chips was determined. This was done in accordance with TAPPI and ASTM standard methods. The properties of wooden chips, treated for 30 min and 60 min at a temperature of 100 °C, are compared to untreated wooden chips and changes in the chemical composition that occurred are defined as a result of the applied treatments. The research was performed under controlled conditions in a laboratory, and the results of treatments were the subject of comparative analysis. Applied treatments had a statistically signif...icant effect on decreasing the content of extractives. The content of cellulose and hemicellulose increased in the treated wooden chips compared to untreated wooden chips, while the lignin content did not significantly change.

Keywords:
native narrow-leaved ash / pretreatment with liquid hot water (LHW) / analysis of the chemical composition of treated and untreated wooden chips
Source:
Advanced Technologies 2022, vol. 11, 2, 40-47, 2022, 11, 2, 40-47
Note:
  • The results were obtained within the master's paperwork of Aleksandar Drpić, "THE INFLUENCE OF WATER PRETREATMENT ON THE PROPERTIES OF CHIPBOARDS" defended at the University of Belgrade, Faculty of Forestry, Serbia

DOI: 10.5937/savteh2202040D

ISSN: 2406-2979

[ Google Scholar ]
URI
http://rims.institutims.rs/handle/123456789/445
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
Institut za ispitivanje materijala
TY  - JOUR
AU  - Drpić, Aleksandar
AU  - Popović, Jasmina
AU  - Popović, Mlađan
AU  - Điporović-Momčilović, Milanka
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/445
AB  - The goal of this paper is to analyze the chemical composition of untreated and
treated wooden chips from the native narrow-leaved ash (Fraxinus angustifolia
Vahl. ssp. Pannonica Soó & Simon). In order to determine the effect of pretreatment
with liquid hot water (LHW) on changes in chemical composition, the content
of moisture, cellulose, lignin, minerals (ash), extractives soluble in hot water, extractives
soluble in organic solvents, for treated and for untreated wooden chips
was determined. This was done in accordance with TAPPI and ASTM standard
methods. The properties of wooden chips, treated for 30 min and 60 min at a
temperature of 100 °C, are compared to untreated wooden chips and changes
in the chemical composition that occurred are defined as a result of the applied
treatments. The research was performed under controlled conditions in a laboratory,
and the results of treatments were the subject of comparative analysis. Applied
treatments had a statistically significant effect on decreasing the content of
extractives. The content of cellulose and hemicellulose increased in the treated
wooden chips compared to untreated wooden chips, while the lignin content did
not significantly change.
T2  - Advanced Technologies 2022, vol. 11, 2, 40-47
T1  - Analysis of the influence of pre-treatment with liquid hot water (LHW) on the chemical composition of wooden chips
T1  - Analiza uticaja predtretmana vrelom vodom (LHW) na hemijski sastav drvnog iverja
EP  - 47
IS  - 2
SP  - 40
VL  - 11
DO  - 10.5937/savteh2202040D
ER  - 
@article{
author = "Drpić, Aleksandar and Popović, Jasmina and Popović, Mlađan and Điporović-Momčilović, Milanka",
year = "2022",
abstract = "The goal of this paper is to analyze the chemical composition of untreated and
treated wooden chips from the native narrow-leaved ash (Fraxinus angustifolia
Vahl. ssp. Pannonica Soó & Simon). In order to determine the effect of pretreatment
with liquid hot water (LHW) on changes in chemical composition, the content
of moisture, cellulose, lignin, minerals (ash), extractives soluble in hot water, extractives
soluble in organic solvents, for treated and for untreated wooden chips
was determined. This was done in accordance with TAPPI and ASTM standard
methods. The properties of wooden chips, treated for 30 min and 60 min at a
temperature of 100 °C, are compared to untreated wooden chips and changes
in the chemical composition that occurred are defined as a result of the applied
treatments. The research was performed under controlled conditions in a laboratory,
and the results of treatments were the subject of comparative analysis. Applied
treatments had a statistically significant effect on decreasing the content of
extractives. The content of cellulose and hemicellulose increased in the treated
wooden chips compared to untreated wooden chips, while the lignin content did
not significantly change.",
journal = "Advanced Technologies 2022, vol. 11, 2, 40-47",
title = "Analysis of the influence of pre-treatment with liquid hot water (LHW) on the chemical composition of wooden chips, Analiza uticaja predtretmana vrelom vodom (LHW) na hemijski sastav drvnog iverja",
pages = "47-40",
number = "2",
volume = "11",
doi = "10.5937/savteh2202040D"
}
Drpić, A., Popović, J., Popović, M.,& Điporović-Momčilović, M.. (2022). Analysis of the influence of pre-treatment with liquid hot water (LHW) on the chemical composition of wooden chips. in Advanced Technologies 2022, vol. 11, 2, 40-47, 11(2), 40-47.
https://doi.org/10.5937/savteh2202040D
Drpić A, Popović J, Popović M, Điporović-Momčilović M. Analysis of the influence of pre-treatment with liquid hot water (LHW) on the chemical composition of wooden chips. in Advanced Technologies 2022, vol. 11, 2, 40-47. 2022;11(2):40-47.
doi:10.5937/savteh2202040D .
Drpić, Aleksandar, Popović, Jasmina, Popović, Mlađan, Điporović-Momčilović, Milanka, "Analysis of the influence of pre-treatment with liquid hot water (LHW) on the chemical composition of wooden chips" in Advanced Technologies 2022, vol. 11, 2, 40-47, 11, no. 2 (2022):40-47,
https://doi.org/10.5937/savteh2202040D . .

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