Effect of steam explosion pretreatment on chosen saccharides yield and cellulose structure from fast-growing poplar (Populus deltoides × maximowiczii) wood

• DOI: 10.1007/s00226-024-01532-7
• Publication Date: 2024-02-12T08:02:25Z
• Authors: Donata Krutul; Jan Szadkowski; Eva Výbohová; Viera Kučerová; Iveta Čabalová; Andrzej Antczak; Dominika Szadkowska; Michał Drożdżek; Janusz Zawadzki
• Keywords: Steam explosion; Degree of polymerization

Abstract The aim of this study was to determine the changes occurring in wood cellulose fast-growing poplar ( Populus deltoides × maximowiczii ) under influence steam explosion (SE) pretreatment. Cellulose from native and after pretreatment at 160 205 °C isolated. polymerization degree by size exclusion chromatography (SEC) crystallinity index Fourier transform infrared spectroscopy-attenuated total reflectance (FTIR-ATR) were determined. profiles sugars solid fraction (using acid hydrolysis method) also In addition, profile monosaccharides liquid obtained oligosaccharides investigated using high-performance (HPLC). This allowed change yield hexoses pentoses studied material. behavior subjected isolated Kürschner–Hoffer method determining absorption bands FTIR-ATR spectra. lateral order (LOI) calculated ratio intensity corresponding A 1422 /A 896 cm −1 . Total (TCI) 1372 2900 TCI Kürschner-Hoffer decreased 5.6 5.0%, respectively, with regard applied temperature. LOI increased (by 0.7%) 19.2%) relation wood. exhibited, a reduced about 11% 8%. Polydispersity 1% lower both pretreatments than sample.