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Synthesis of carbon microspheres via hydrothermal carbonization of Sabal palms (Sabal palmetto) biomass for adsorption of methylene blue

Lookup NU author(s): Professor Chun Yang Yin

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Abstract

© 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature. In this paper, we report new findings on the synthesis of carbon microspheres from a biomass precursor (Sabal palmetto) using one-step hydrothermal carbonization (HTC) process. The carbonization process involved predominantly dehydration process with partial occurrence of decarboxylation. The microspheres were analyzed using elemental analysis and scanning electron microscopy (SEM). The produced microspheres were applied as adsorbents for sorption of an industrial dye (methylene blue) in which the data showed good fitting to the Langmuir model. The sub-micron-sized microspheres exhibited interesting textural characteristics—relatively low surface areas and porosities with presence of oxgenated functional groups (total = 0.4 to 0.5 mmol/g) on the surface. The work presented in this contribution involves themes on sustainable usage of resources (i.e., biomass), production of useful industrial microparticles, and direct application in wastewater purification.

Publication metadata

Author(s): Al-Awadi AS, El-Harbawi M, Algarawi A, Alalawi A, blidi LE, Alrashed MM, Yin C-Y

Publication type: Article

Publication status: Published

Journal: Biomass Conversion and Biorefinery

Year: 2023

Volume: 13

Pages: 16943-16953

Print publication date: 01/12/2023

Online publication date: 18/01/2022

Acceptance date: 07/12/2021

ISSN (print): 2190-6815

ISSN (electronic): 2190-6823

Publisher: Springer Nature

URL: https://doi.org/10.1007/s13399-021-02212-3

DOI: 10.1007/s13399-021-02212-3

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