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    Synthesis and Characterization of Nanocrystalline Cellulose Derived from Pineapple Peel Residues

    Melissa Camacho1, Yendry Regina Corrales Ureña*,1, Mary Lopretti2, Leonel Bustamante Carballo1, Galia Moreno1, Brian Alfaro1, Jose Roberto Vega Baudrit1,3

    Journal of Renewable Materials, Vol.5, No.5, pp. 271-279, 2017, DOI:10.7569/JRM.2017.634117

    Abstract Pineapple peel biomass was used as raw material for nanocellulose extraction. The raw material is a residue from the Costa Rican fruit industry. The nanocellulose was obtained by a two-step hydrolysis process. Firstly, the cellulose was hydrolyzed with HCl to obtain microcrystalline cellulose. In the second step, the hydrolysis was carried out using H2SO4 to obtain smaller fragments and decrease the lignin content. A timedependent study was carried out to determine the particle size decrease depending on the contact time with the H2SO4. The chemical, thermal and morphological properties were analyzed by Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA),… More >

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