Abstract
AbstractIn the present investigation, the cellulose fibers were extracted from Arundo donax through a three‐step treatment. The effects of the alkaline pre‐treatment, acid hydrolysis, and soxhlet‐based extraction on the qualitative and quantitative attributes of the resultant cellulose fibers were investigated. The results of the present study signify a positive correlation between chemical treatment and cellulose content. The overall yield conversion of cellulose was recorded as 156.67%, after Soxhlet‐based purification. It was also observed that the moisture content, percentage of water absorption, rate of water absorption, and ash mass fraction gradually declined after each treatment step. The correlation between the chemical treatment with quantitative and qualitative attributes revealed a gradual increment in cellulose content, crystallinity index, and purity of cellulose fiber extracted from A. donax. The FTIR spectra emphasized that the obtained cellulose was free from impurities after Soxhlet‐based extraction. Simultaneously the DTG curve of A. donax fiber revealed a low rate of derivatization in the fibers extracted after Soxhlet treatment. The SEM and EDX analysis illustrate that the cellulose fibers were devoid of impurities as well as contamination of heavy metal ions.
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