Cyanobacterial Biomass as a Potential Biosorbent for the Removal of Recalcitrant Dyes from Water

The accumulation of cyanobacteria produced due to eutrophication processes and the increment of different pollutants in water as a result of industrial processes affects aquatic environments such as the ocean, rivers, and swamps. In this work, cyanobacterial biomass was used as a biosorbent for the...

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Autores principales:	Carlos Diaz-Uribe, Barni Angulo, Karen Patiño, Vincent Hernández, William Vallejo, Euler Gallego-Cartagena, Arnold R. Romero Bohórquez, Ximena Zarate, Eduardo Schott
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	biosorbent cyanobacterial recalcitrant dyes adsorption Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
Acceso en línea:	https://doaj.org/article/1056229b951a49439b64b8583a6e0704
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id	oai:doaj.org-article:1056229b951a49439b64b8583a6e0704
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spelling	oai:doaj.org-article:1056229b951a49439b64b8583a6e07042021-11-25T19:15:04ZCyanobacterial Biomass as a Potential Biosorbent for the Removal of Recalcitrant Dyes from Water10.3390/w132231762073-4441https://doaj.org/article/1056229b951a49439b64b8583a6e07042021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4441/13/22/3176https://doaj.org/toc/2073-4441The accumulation of cyanobacteria produced due to eutrophication processes and the increment of different pollutants in water as a result of industrial processes affects aquatic environments such as the ocean, rivers, and swamps. In this work, cyanobacterial biomass was used as a biosorbent for the removal of a commercial dye, methylene blue (MB). Thus, MB was removed from biomass obtained from cyanobacterial samples collected from the swamp located in the Colombian Caribbean. Spectroscopical techniques such as FTIR, SEM, EDX measurements were used for the physico-chemical characterization of the bio-adsorbent material. Furthermore, we present the effect of various adsorption parameters such as pH, MB dose, time, and adsorbent concentration on the adsorbent equilibrium process. Three different isotherm models were used to model the MB adsorption on biomass. The functional groups identified on biomass suggest that these models are suitable for the characterization of the sorption of cationic dyes on the surfaces of the biomass; in addition, an SEM assay showed the heterogeneous surface of the biomass’ morphology. The equilibrium tests suggested a multilayer type adsorption of MB on the biomass surface. The kinetics results show that a pseudo-second order kinetic model was suitable to describe the MB adsorption on the biomass surface. Finally, the herein obtained results give an alternative to resolve the eutrophication problems generated by cyanobacterial growth in the swamp “Ciénaga de Malambo”.Carlos Diaz-UribeBarni AnguloKaren PatiñoVincent HernándezWilliam VallejoEuler Gallego-CartagenaArnold R. Romero BohórquezXimena ZarateEduardo SchottMDPI AGarticlebiosorbentcyanobacterialrecalcitrant dyesadsorptionHydraulic engineeringTC1-978Water supply for domestic and industrial purposesTD201-500ENWater, Vol 13, Iss 3176, p 3176 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	biosorbent cyanobacterial recalcitrant dyes adsorption Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
spellingShingle	biosorbent cyanobacterial recalcitrant dyes adsorption Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Carlos Diaz-Uribe Barni Angulo Karen Patiño Vincent Hernández William Vallejo Euler Gallego-Cartagena Arnold R. Romero Bohórquez Ximena Zarate Eduardo Schott Cyanobacterial Biomass as a Potential Biosorbent for the Removal of Recalcitrant Dyes from Water
description	The accumulation of cyanobacteria produced due to eutrophication processes and the increment of different pollutants in water as a result of industrial processes affects aquatic environments such as the ocean, rivers, and swamps. In this work, cyanobacterial biomass was used as a biosorbent for the removal of a commercial dye, methylene blue (MB). Thus, MB was removed from biomass obtained from cyanobacterial samples collected from the swamp located in the Colombian Caribbean. Spectroscopical techniques such as FTIR, SEM, EDX measurements were used for the physico-chemical characterization of the bio-adsorbent material. Furthermore, we present the effect of various adsorption parameters such as pH, MB dose, time, and adsorbent concentration on the adsorbent equilibrium process. Three different isotherm models were used to model the MB adsorption on biomass. The functional groups identified on biomass suggest that these models are suitable for the characterization of the sorption of cationic dyes on the surfaces of the biomass; in addition, an SEM assay showed the heterogeneous surface of the biomass’ morphology. The equilibrium tests suggested a multilayer type adsorption of MB on the biomass surface. The kinetics results show that a pseudo-second order kinetic model was suitable to describe the MB adsorption on the biomass surface. Finally, the herein obtained results give an alternative to resolve the eutrophication problems generated by cyanobacterial growth in the swamp “Ciénaga de Malambo”.
format	article
author	Carlos Diaz-Uribe Barni Angulo Karen Patiño Vincent Hernández William Vallejo Euler Gallego-Cartagena Arnold R. Romero Bohórquez Ximena Zarate Eduardo Schott
author_facet	Carlos Diaz-Uribe Barni Angulo Karen Patiño Vincent Hernández William Vallejo Euler Gallego-Cartagena Arnold R. Romero Bohórquez Ximena Zarate Eduardo Schott
author_sort	Carlos Diaz-Uribe
title	Cyanobacterial Biomass as a Potential Biosorbent for the Removal of Recalcitrant Dyes from Water
title_short	Cyanobacterial Biomass as a Potential Biosorbent for the Removal of Recalcitrant Dyes from Water
title_full	Cyanobacterial Biomass as a Potential Biosorbent for the Removal of Recalcitrant Dyes from Water
title_fullStr	Cyanobacterial Biomass as a Potential Biosorbent for the Removal of Recalcitrant Dyes from Water
title_full_unstemmed	Cyanobacterial Biomass as a Potential Biosorbent for the Removal of Recalcitrant Dyes from Water
title_sort	cyanobacterial biomass as a potential biosorbent for the removal of recalcitrant dyes from water
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/1056229b951a49439b64b8583a6e0704
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Cyanobacterial Biomass as a Potential Biosorbent for the Removal of Recalcitrant Dyes from Water

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