Activated carbon developed from orange peels: Batch and dynamic competitive adsorption of basic dyes

Activated carbon from orange (Citrus sinensis) peel was developed through H3PO4 acid activation. Its ability as an adsorbent for the removal of two representative basic dyes (methylene blue and rhodamine B) from single and binary dyes solutions in batch and continuous modes was examined. The orange...

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Autores principales:	Fernández, María Emilia, Nunell, Gisel Vanesa, Bonelli, Pablo R., Cukierman, Ana Lea
Publicado:	2014
Materias:	Basic dyes removal Binary equilibrium isotherms Competitive dynamic adsorption Orange peel-based activated carbon Phosphoric acid activation Basic dyes Competitive adsorption Competitive dynamics Equilibrium isotherms Orange peels acid activation activated carbon adsorption breakthrough curve dicotyledon dye equilibrium fruit isotherm
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09266690_v62_n_p437_Fernandez http://hdl.handle.net/20.500.12110/paper_09266690_v62_n_p437_Fernandez
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_09266690_v62_n_p437_Fernandez
record_format	dspace
spelling	paper:paper_09266690_v62_n_p437_Fernandez2023-06-08T15:51:39Z Activated carbon developed from orange peels: Batch and dynamic competitive adsorption of basic dyes Fernández, María Emilia Nunell, Gisel Vanesa Bonelli, Pablo R. Cukierman, Ana Lea Basic dyes removal Binary equilibrium isotherms Competitive dynamic adsorption Orange peel-based activated carbon Phosphoric acid activation Basic dyes Competitive adsorption Competitive dynamics Equilibrium isotherms Orange peels Phosphoric acid activation acid activation activated carbon adsorption breakthrough curve dicotyledon dye equilibrium fruit isotherm Activated carbon from orange (Citrus sinensis) peel was developed through H3PO4 acid activation. Its ability as an adsorbent for the removal of two representative basic dyes (methylene blue and rhodamine B) from single and binary dyes solutions in batch and continuous modes was examined. The orange peel-based activated carbon presented a high specific surface area (1090m2/g), predominance of mesopores and acidic character. It also showed a high adsorption capacity for both dyes in batch and dynamic modes. Experimental equilibrium isotherms obtained from single-dye solutions fitted the Langmuir-Freundlich model, and those obtained from binary solutions were properly described by single and multi-component models. Breakthrough curves obtained from single-dye solutions exhibited a better removal performance for rhodamine B. Adsorption capacity at exhaustion time for this dye was 11% higher than for methylene blue. Additional experiments in dynamic conditions with a binary solution of both dyes pointed to adsorption competition for the active sites of the developed carbon. Breakthrough curves were adequately represented by a modified two-parameter model. © 2014 Elsevier B.V. Fil:Fernandez, M.E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Nunell, G.V. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Bonelli, P.R. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Cukierman, A.L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2014 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09266690_v62_n_p437_Fernandez http://hdl.handle.net/20.500.12110/paper_09266690_v62_n_p437_Fernandez
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Basic dyes removal Binary equilibrium isotherms Competitive dynamic adsorption Orange peel-based activated carbon Phosphoric acid activation Basic dyes Competitive adsorption Competitive dynamics Equilibrium isotherms Orange peels Phosphoric acid activation acid activation activated carbon adsorption breakthrough curve dicotyledon dye equilibrium fruit isotherm
spellingShingle	Basic dyes removal Binary equilibrium isotherms Competitive dynamic adsorption Orange peel-based activated carbon Phosphoric acid activation Basic dyes Competitive adsorption Competitive dynamics Equilibrium isotherms Orange peels Phosphoric acid activation acid activation activated carbon adsorption breakthrough curve dicotyledon dye equilibrium fruit isotherm Fernández, María Emilia Nunell, Gisel Vanesa Bonelli, Pablo R. Cukierman, Ana Lea Activated carbon developed from orange peels: Batch and dynamic competitive adsorption of basic dyes
topic_facet	Basic dyes removal Binary equilibrium isotherms Competitive dynamic adsorption Orange peel-based activated carbon Phosphoric acid activation Basic dyes Competitive adsorption Competitive dynamics Equilibrium isotherms Orange peels Phosphoric acid activation acid activation activated carbon adsorption breakthrough curve dicotyledon dye equilibrium fruit isotherm
description	Activated carbon from orange (Citrus sinensis) peel was developed through H3PO4 acid activation. Its ability as an adsorbent for the removal of two representative basic dyes (methylene blue and rhodamine B) from single and binary dyes solutions in batch and continuous modes was examined. The orange peel-based activated carbon presented a high specific surface area (1090m2/g), predominance of mesopores and acidic character. It also showed a high adsorption capacity for both dyes in batch and dynamic modes. Experimental equilibrium isotherms obtained from single-dye solutions fitted the Langmuir-Freundlich model, and those obtained from binary solutions were properly described by single and multi-component models. Breakthrough curves obtained from single-dye solutions exhibited a better removal performance for rhodamine B. Adsorption capacity at exhaustion time for this dye was 11% higher than for methylene blue. Additional experiments in dynamic conditions with a binary solution of both dyes pointed to adsorption competition for the active sites of the developed carbon. Breakthrough curves were adequately represented by a modified two-parameter model. © 2014 Elsevier B.V.
author	Fernández, María Emilia Nunell, Gisel Vanesa Bonelli, Pablo R. Cukierman, Ana Lea
author_facet	Fernández, María Emilia Nunell, Gisel Vanesa Bonelli, Pablo R. Cukierman, Ana Lea
author_sort	Fernández, María Emilia
title	Activated carbon developed from orange peels: Batch and dynamic competitive adsorption of basic dyes
title_short	Activated carbon developed from orange peels: Batch and dynamic competitive adsorption of basic dyes
title_full	Activated carbon developed from orange peels: Batch and dynamic competitive adsorption of basic dyes
title_fullStr	Activated carbon developed from orange peels: Batch and dynamic competitive adsorption of basic dyes
title_full_unstemmed	Activated carbon developed from orange peels: Batch and dynamic competitive adsorption of basic dyes
title_sort	activated carbon developed from orange peels: batch and dynamic competitive adsorption of basic dyes
publishDate	2014
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09266690_v62_n_p437_Fernandez http://hdl.handle.net/20.500.12110/paper_09266690_v62_n_p437_Fernandez
work_keys_str_mv	AT fernandezmariaemilia activatedcarbondevelopedfromorangepeelsbatchanddynamiccompetitiveadsorptionofbasicdyes AT nunellgiselvanesa activatedcarbondevelopedfromorangepeelsbatchanddynamiccompetitiveadsorptionofbasicdyes AT bonellipablor activatedcarbondevelopedfromorangepeelsbatchanddynamiccompetitiveadsorptionofbasicdyes AT cukiermananalea activatedcarbondevelopedfromorangepeelsbatchanddynamiccompetitiveadsorptionofbasicdyes
_version_	1768543141418237952

Activated carbon developed from orange peels: Batch and dynamic competitive adsorption of basic dyes

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