Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Isolative Green Synthesis and Characterization of Cellulose and Cellulose Nanocrystals from Typha Augostifolia

Version 1 : Received: 13 February 2024 / Approved: 14 February 2024 / Online: 14 February 2024 (09:39:06 CET)

How to cite: Mesoppirr, L. S.; Suter, E. K.; Omwoyo, W. N.; Oyaro, N. M.; Nelana, S. M. Isolative Green Synthesis and Characterization of Cellulose and Cellulose Nanocrystals from Typha Augostifolia. Preprints 2024, 2024020763. https://doi.org/10.20944/preprints202402.0763.v1 Mesoppirr, L. S.; Suter, E. K.; Omwoyo, W. N.; Oyaro, N. M.; Nelana, S. M. Isolative Green Synthesis and Characterization of Cellulose and Cellulose Nanocrystals from Typha Augostifolia. Preprints 2024, 2024020763. https://doi.org/10.20944/preprints202402.0763.v1

Abstract

The application potential of cellulosic materials in natural composites and other fields needs to be explored to develop innovative, sustainable, lightweight, functional biomass materials that are also environmentally friendly. This study investigated Typha augostifolia (Typha sp.) as a potential new raw material for extracting cellulose nanocrystals (CNCs) for application in wastewater treatment composites. Alkaline treatments and bleaching were used to remove cellulose from the stem fibers. The CNCs were then isolated from the recovered cellulose using acid hydrolysis. The study showed a few distinct functional groups (O-H, -C-H, =C-H and C-O, and C-O-C) in the Fourier Transform Infrared (FTIR) spectra. Scanning electron microscope (SEM) revealed the smooth surface of CPC and CNCs that resulted from removing lignin and hemicellulose from powdered Typha augostifolia. Based on the crystalline index, the powdered Typha augostifolia, CPC, and CNCs were 42.86%, 66.94% and 77.41%. The loss of the amorphous section of the Typha sp. fiber resulted in a decrease in particle size. It may be inferred from the features of a Typha sp. CNC that CNCs may be employed as reinforcement in composites for wastewater treatment.

Keywords

Typha augostifolia; cellulose; acid hydrolysis; chemically purified cellulose; cellulose nanocrystals

Subject

Chemistry and Materials Science, Nanotechnology

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