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This work aims to establish a simplified and scalable method for producing TEMPO-oxidized cellulose nanofibrils from sugarcane bagasse.

Direct method to isolate cellulose nanofibrils from sugarcane bagasse with pilot plant upscaling

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This work aims to establish a simplified and scalable method for producing TEMPO-oxidized cellulose nanofibrils from sugarcane bagasse.
Applied TEMPO-mediated oxidation directly to milled sugarcane bagasse.
Varying NaClO dosage to optimize carboxylate and lignin removal.
Conducted low-energy fibrillation to produce nanofibrils.
Performed pilot-scale demonstrations of the process.
Achieved up to 91 wt% cellulose yield with properties similar to bench-scale materials.
Increased production capacity by about 500-fold at pilot scale.
Lowered lignin content from 19.0 to 3.3 wt%.
Enhanced carboxylate content increased from 0.54 to 1.15 mmol g −1.

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This process simplifies cellulose nanofibril production in sugarcane bagasse, suggesting a sustainable approach for large-scale use.

Alonso et al. (2026) studied this question.

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