FTIR Analysis of Changes in Chipboard Properties after Pretreatment with Pleurotus ostreatus (Jacq.) P. Kumm

Paweł Tryjarski, Jakub Gawron, Bogusław Andres, Agnieszka Obiedzińska and Aleksander Lisowski ()
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Paweł Tryjarski: Department of Biosystems Engineering, Institute of Mechanical Engineering, Warsaw University of Life Sciences, Nowoursynowska 166, 02-787 Warsaw, Poland
Jakub Gawron: Department of Production Engineering, Institute of Mechanical Engineering, Warsaw University of Life Sciences, Nowoursynowska 166, 02-787 Warsaw, Poland
Bogusław Andres: Department of Wood Science and Wood Preservation, Institute of Wood Sciences and Furniture, Warsaw University of Life Sciences, Nowoursynowska 166, 02-787 Warsaw, Poland
Agnieszka Obiedzińska: Faculty of Computer Science and Food Science, Lomza State University of Applied Sciences, Lomza, Akademicka 14, 18-400 Łomża, Poland
Aleksander Lisowski: Department of Biosystems Engineering, Institute of Mechanical Engineering, Warsaw University of Life Sciences, Nowoursynowska 166, 02-787 Warsaw, Poland

Energies, 2022, vol. 15, issue 23, 1-18

Abstract: A commercial three-layer particleboard served as model furniture for testing pretreatment with the oyster mushroom ( Pleurotus ostreatus (Jacq.) P. Kumm.) over 9-, 12-, 16-, and 20-week periods based on the effects of reducing the enzymatic resistance of component cellulose. The effects of pretreatment were assessed based on Fourier-transform infrared spectroscopy (FTIR) of the treated particleboards, wherein indexes (peaks and peak ratios) connected with parameters influencing enzymatic cellulose hydrolysis were analysed. The data were analysed in two ways: the measurement of peak heights in both primary spectra and deconvoluted spectra. The peak heights for the determination of the total crystallinity index ( TCI ) were measured according to narrow and broad baselines. Time and how indexes are calculated were found to be the main factors significantly influencing the values of indexes of pretreatment in most cases. Until week 9, P. ostreatus pretreatment seems to be advantageous for biofuel production, which was illustrated by decreases in the intensity of the 1735 and 1505 cm −1 peaks and A 1505 / A 1735 , A 1505 / A 1375 , A 1505 / A 1158 , and A 1505 / A 896 ratios in addition to a reduction in crystallinity.

Keywords: wood waste; delignification; deconvolution; crystallinity changes; feature correlation method (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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