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Biofibres from biofuel industrial byproduct—Pongamia pinnata seed hull

BACKGROUND: Biodiesel production using Pongamia pinnata (P. pinnata) seeds results in large amount of unused seed hull. These seed hulls serve as a potential source for cellulose fibres which can be exploited as reinforcement in composites. METHODS: These seed hulls were processed using chlorination...

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Detalles Bibliográficos
Autores principales: Manjula, Puttaswamy, Srinikethan, Govindan, Shetty, K. Vidya
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer Berlin Heidelberg 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5320004/
https://www.ncbi.nlm.nih.gov/pubmed/28275533
http://dx.doi.org/10.1186/s40643-017-0144-x
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author Manjula, Puttaswamy
Srinikethan, Govindan
Shetty, K. Vidya
author_facet Manjula, Puttaswamy
Srinikethan, Govindan
Shetty, K. Vidya
author_sort Manjula, Puttaswamy
collection PubMed
description BACKGROUND: Biodiesel production using Pongamia pinnata (P. pinnata) seeds results in large amount of unused seed hull. These seed hulls serve as a potential source for cellulose fibres which can be exploited as reinforcement in composites. METHODS: These seed hulls were processed using chlorination and alkaline extraction process in order to isolate cellulose fibres. Scanning electron microscopy (SEM), dynamic light scattering (DLS), thermogravimetric analysis (TGA), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and nuclear magnetic resonance spectroscopy (NMR) analysis demonstrated the morphological changes in the fibre structure. RESULTS: Cellulose microfibres of diameter 6–8 µm, hydrodynamic diameter of 58.4 nm and length of 535 nm were isolated. Thermal stability was enhanced by 70 °C and crystallinity index (CI) by 19.8% ensuring isolation of crystalline cellulose fibres. CONCLUSION: The sequential chlorination and alkaline treatment stemmed to the isolation of cellulose fibres from P. pinnata seed hull. The isolated cellulose fibres possessed enhanced morphological, thermal, and crystalline properties in comparison with P. pinnata seed hull. These cellulose microfibres may potentially find application as biofillers in biodegradable composites by augmenting their properties.
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spelling pubmed-53200042017-03-06 Biofibres from biofuel industrial byproduct—Pongamia pinnata seed hull Manjula, Puttaswamy Srinikethan, Govindan Shetty, K. Vidya Bioresour Bioprocess Research BACKGROUND: Biodiesel production using Pongamia pinnata (P. pinnata) seeds results in large amount of unused seed hull. These seed hulls serve as a potential source for cellulose fibres which can be exploited as reinforcement in composites. METHODS: These seed hulls were processed using chlorination and alkaline extraction process in order to isolate cellulose fibres. Scanning electron microscopy (SEM), dynamic light scattering (DLS), thermogravimetric analysis (TGA), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and nuclear magnetic resonance spectroscopy (NMR) analysis demonstrated the morphological changes in the fibre structure. RESULTS: Cellulose microfibres of diameter 6–8 µm, hydrodynamic diameter of 58.4 nm and length of 535 nm were isolated. Thermal stability was enhanced by 70 °C and crystallinity index (CI) by 19.8% ensuring isolation of crystalline cellulose fibres. CONCLUSION: The sequential chlorination and alkaline treatment stemmed to the isolation of cellulose fibres from P. pinnata seed hull. The isolated cellulose fibres possessed enhanced morphological, thermal, and crystalline properties in comparison with P. pinnata seed hull. These cellulose microfibres may potentially find application as biofillers in biodegradable composites by augmenting their properties. Springer Berlin Heidelberg 2017-02-21 2017 /pmc/articles/PMC5320004/ /pubmed/28275533 http://dx.doi.org/10.1186/s40643-017-0144-x Text en © The Author(s) 2017 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
spellingShingle Research
Manjula, Puttaswamy
Srinikethan, Govindan
Shetty, K. Vidya
Biofibres from biofuel industrial byproduct—Pongamia pinnata seed hull
title Biofibres from biofuel industrial byproduct—Pongamia pinnata seed hull
title_full Biofibres from biofuel industrial byproduct—Pongamia pinnata seed hull
title_fullStr Biofibres from biofuel industrial byproduct—Pongamia pinnata seed hull
title_full_unstemmed Biofibres from biofuel industrial byproduct—Pongamia pinnata seed hull
title_short Biofibres from biofuel industrial byproduct—Pongamia pinnata seed hull
title_sort biofibres from biofuel industrial byproduct—pongamia pinnata seed hull
topic Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5320004/
https://www.ncbi.nlm.nih.gov/pubmed/28275533
http://dx.doi.org/10.1186/s40643-017-0144-x
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