Nitro-oxidation method comprised of nitric acid-sodium nitrite was performed on raw agricultural biomass (without washing and pretreatment) to generate the carboxycellulose nanofibers. A combination of nitric acid-sodium nitrite during nitro-oxidation can effectively remove the lignin and hemicellulose impurities, and securely generate the carboxycellulose fibers.  The effect of amount of sodium nitrite, concentration of nitric acid and the reaction time on generation of nanofibers and its carboxylate content was studied. Additionally, the produced nanofibers from different agricultural residues were introduced for the measurement of residual lignin and hemicellulose content.   The preliminary analysis indicates that the carboxycellulsoe nanofibers extracted from different biomasses possessed length (L) more than 1000 nm and width (W) in the range of 4-10 nm. The increase in the amount of sodium nitrite during Nitro-oxidation elevates the carboxyl content onto the Carboxycellulose nanofibers. However, no significant changes observed in the residual content of lignin onto the Carboxycellulsoe nanofibers on the increase in the amount of Sodium nitrite.<br/>

Nitro-oxidation on raw agricultural residues

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.