MAGELLAN PEAT (Sphagnum magallanicum) AS NATURAL ADSORBENT OF RECALCITRAN SYNTHETIC DYES

Colour abatement is a complex problem because the synthetic origin of the dyes used in the industry. The purpose of this study is to evaluate the feasibility of using Magellan peat (Sphagnum magallanicum) as an adsorbent of textile dyes, determining the physical-chemical characteristics of the peat...

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Autores principales:	Sepulveda-Cuevas,Luisa A, Contreras-Villacura,Elsa G, Palma-Toloza,Carolyn L
Lenguaje:	English
Publicado:	Sociedad Chilena de la Ciencia del Suelo 2008
Materias:	adsorption dyes textile effluents
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-27912008000200005
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spelling	oai:scielo:S0718-279120080002000052009-12-23MAGELLAN PEAT (Sphagnum magallanicum) AS NATURAL ADSORBENT OF RECALCITRAN SYNTHETIC DYESSepulveda-Cuevas,Luisa AContreras-Villacura,Elsa GPalma-Toloza,Carolyn L adsorption dyes textile effluents Colour abatement is a complex problem because the synthetic origin of the dyes used in the industry. The purpose of this study is to evaluate the feasibility of using Magellan peat (Sphagnum magallanicum) as an adsorbent of textile dyes, determining the physical-chemical characteristics of the peat by measuring the adsorptive capacity of the dyes as well as exploring the degrading potential of the native microorganisms they contain. The results obtained indicate that the peat has a specific surface area (BET) and a volume of 144.3 m² g-1 and 60% of meso- and macropores, respectively. The basicity of the peat surface is superior to acidity and the pH in which the neutrality is reached is about 3.1. Equilibrium concentrations for the basic, acid and reactive dyes in the solid and liquid phases were appropriately interpreted by the Langmuir model; however the maximum adsorption capacities of the first ones were significantly higher. If the solution pH is lower to pzpc, the absorption capacity of the acid dyes increases. Three different bacteria colonies with decolourization capacity were isolated. In conclusion, results indicate that the peat may be successfully applied in the detoxification of textile effluents.info:eu-repo/semantics/openAccessSociedad Chilena de la Ciencia del SueloRevista de la ciencia del suelo y nutrición vegetal v.8 n.2 20082008-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-27912008000200005en10.4067/S0718-27912008000200005
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	adsorption dyes textile effluents
spellingShingle	adsorption dyes textile effluents Sepulveda-Cuevas,Luisa A Contreras-Villacura,Elsa G Palma-Toloza,Carolyn L MAGELLAN PEAT (Sphagnum magallanicum) AS NATURAL ADSORBENT OF RECALCITRAN SYNTHETIC DYES
description	Colour abatement is a complex problem because the synthetic origin of the dyes used in the industry. The purpose of this study is to evaluate the feasibility of using Magellan peat (Sphagnum magallanicum) as an adsorbent of textile dyes, determining the physical-chemical characteristics of the peat by measuring the adsorptive capacity of the dyes as well as exploring the degrading potential of the native microorganisms they contain. The results obtained indicate that the peat has a specific surface area (BET) and a volume of 144.3 m² g-1 and 60% of meso- and macropores, respectively. The basicity of the peat surface is superior to acidity and the pH in which the neutrality is reached is about 3.1. Equilibrium concentrations for the basic, acid and reactive dyes in the solid and liquid phases were appropriately interpreted by the Langmuir model; however the maximum adsorption capacities of the first ones were significantly higher. If the solution pH is lower to pzpc, the absorption capacity of the acid dyes increases. Three different bacteria colonies with decolourization capacity were isolated. In conclusion, results indicate that the peat may be successfully applied in the detoxification of textile effluents.
author	Sepulveda-Cuevas,Luisa A Contreras-Villacura,Elsa G Palma-Toloza,Carolyn L
author_facet	Sepulveda-Cuevas,Luisa A Contreras-Villacura,Elsa G Palma-Toloza,Carolyn L
author_sort	Sepulveda-Cuevas,Luisa A
title	MAGELLAN PEAT (Sphagnum magallanicum) AS NATURAL ADSORBENT OF RECALCITRAN SYNTHETIC DYES
title_short	MAGELLAN PEAT (Sphagnum magallanicum) AS NATURAL ADSORBENT OF RECALCITRAN SYNTHETIC DYES
title_full	MAGELLAN PEAT (Sphagnum magallanicum) AS NATURAL ADSORBENT OF RECALCITRAN SYNTHETIC DYES
title_fullStr	MAGELLAN PEAT (Sphagnum magallanicum) AS NATURAL ADSORBENT OF RECALCITRAN SYNTHETIC DYES
title_full_unstemmed	MAGELLAN PEAT (Sphagnum magallanicum) AS NATURAL ADSORBENT OF RECALCITRAN SYNTHETIC DYES
title_sort	magellan peat (sphagnum magallanicum) as natural adsorbent of recalcitran synthetic dyes
publisher	Sociedad Chilena de la Ciencia del Suelo
publishDate	2008
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-27912008000200005
work_keys_str_mv	AT sepulvedacuevasluisaa magellanpeatsphagnummagallanicumasnaturaladsorbentofrecalcitransyntheticdyes AT contrerasvillacuraelsag magellanpeatsphagnummagallanicumasnaturaladsorbentofrecalcitransyntheticdyes AT palmatolozacarolynl magellanpeatsphagnummagallanicumasnaturaladsorbentofrecalcitransyntheticdyes
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MAGELLAN PEAT (Sphagnum magallanicum) AS NATURAL ADSORBENT OF RECALCITRAN SYNTHETIC DYES

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