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Comparative Study of Cellulose Extraction From Lignocellulosic Biomass Wastes
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DOI：10.1007/s42250-026-01600-4.png)
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Abstract
En 中文
This work aims to extract and analyze cellulose from various solid agricultural wastes for subsequent carbon nanonber synthesis. Cellulose was isolated using two extraction methods: hot-water impregnation and Soxhlet extraction. To evaluate cellulose purity, different bleaching treatments (H:O/NaOH, NaCIO, and NaClO.) were investigated. The extracted celluloses were characterized using Fourier Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscopy (SEM), Thermogravimetric Analysis (TGA/DTG), Differential Thermal Analysis (DTA), and Energy-Dispersive X-ray spectros-copy (EDX). FTIR and EDX analyses confirmed the successful removal of non-cellulosic components under the studied conditions. TGA/DTG results indicated high thermal stability and significant cellulose content across the samples. SEM observations revealed substantial structural transformations after bleaching, showing well-defined cellulose microfibrils and a strong reduction of lignin and hemicellulose. The cellulose extraction yields obtained from the different biomasses ranged from 20.5 +/- 0.3% to 42.2 +/- 0.4% (Each experiment was repeated five times) A comparative study of extraction effi-ciencies demonstrated that hot-water impregnation provided the highest yields under the tested conditions. Additionally, hydrogen peroxide bleaching led to a greater exposure of cellulose microfibrils compared with sodium hypochlorite and sodium chlorite, without making absolute claims.
Keywords:
Biomass waste
Cellulose
Extraction
Hot water impregnation
Soxhlet
Valorization
Journal
C
IF:
2.2
Papers:
195
Citations:
1.9K
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