Spherical Activated Carbons with High Mechanical Strength Directly Prepared from Selected Spherical Seeds

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Títol: Spherical Activated Carbons with High Mechanical Strength Directly Prepared from Selected Spherical Seeds
Autors: Amorós-Pérez, Ana | Cano-Casanova, Laura | Ouzzine, Mohammed | Rufete Beneite, Mónica | Romero Anaya, Aroldo José | Lillo-Rodenas, Maria Angeles | Linares-Solano, Angel
Grups d'investigació o GITE: Materiales Carbonosos y Medio Ambiente
Centre, Departament o Servei: Universidad de Alicante. Departamento de Química Inorgánica | Universidad de Alicante. Instituto Universitario de Materiales
Paraules clau: Spherical seeds | Spherical activated carbons | Activation | Microporosity | Mechanical properties
Àrees de coneixement: Química Inorgánica
Data de publicació: 10-de maig-2018
Editor: MDPI
Citació bibliogràfica: Amorós-Pérez A, Cano-Casanova L, Ouzzine M, Rufete-Beneite M, Romero-Anaya AJ, Lillo-Ródenas MÁ, Linares-Solano Á. Spherical Activated Carbons with High Mechanical Strength Directly Prepared from Selected Spherical Seeds. Materials. 2018; 11(5):770. doi:10.3390/ma11050770
Resum: In the present manuscript, the preparation of spherical activated carbons (SACs) with suitable adsorption properties and high mechanical strength is reported, taking advantage of the retention of the spherical shape by the raw precursors. An easy procedure (carbonization followed by CO2 activation) has been applied over a selection of three natural seeds, with a well-defined spherical shape and thermal stability: Rhamnus alaternus (RA), Osyris lanceolate (OL), and Canna indica (CI). After the carbonization-activation procedures, RA and CI, maintained their original spherical shapes and integrity, although a reduction in diameter around 48% and 25%, respectively, was observed. The porosity of the resulting SACs could be tuned as function of the activation temperature and time, leading to a spherical activated carbon with surface area up to 1600 m2/g and mechanical strength similar to those of commercial activated carbons.
Patrocinadors: The authors thank the Spanish Ministry of Economy and Competitiveness (MINECO) and FEDER, project of reference CTQ2015-66080-R, GV/FEDER (PROMETEOII/2014/010) and University of Alicante (VIGROB-136) for financial support.
URI: http://hdl.handle.net/10045/75514
ISSN: 1996-1944
DOI: 10.3390/ma11050770
Idioma: eng
Tipus: info:eu-repo/semantics/article
Drets: © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Revisió científica: si
Versió de l'editor: https://doi.org/10.3390/ma11050770
Apareix a la col·lecció: INV - MCMA - Artículos de Revistas

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