Adsorption Isotherms of Methylene Blue in Aqueous Solution onto Activated Carbons Developed from Vine Shoots () by Physical and Chemical Methods

Carbonaceous adsorbents (CAs) developed from vine shoots ( Vitis Vinifera , VS) and characterized texturally were used for the adsorption of Methylene Blue (MB) from aqueous solution. The CAs were prepared by physical activation in air, carbon dioxide and steam, and by chemical activation with H 3 P...

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Main Authors: María Ruiz-Fernández, María Alexandre-Franco, Carmen Fernández-González, Vicente Gómez-Serrano
Format: Article
Language:English
Published: SAGE Publishing 2010-11-01
Series:Adsorption Science & Technology
Online Access:https://doi.org/10.1260/0263-6174.28.8-9.751
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author María Ruiz-Fernández
María Alexandre-Franco
Carmen Fernández-González
Vicente Gómez-Serrano
author_facet María Ruiz-Fernández
María Alexandre-Franco
Carmen Fernández-González
Vicente Gómez-Serrano
author_sort María Ruiz-Fernández
collection DOAJ
description Carbonaceous adsorbents (CAs) developed from vine shoots ( Vitis Vinifera , VS) and characterized texturally were used for the adsorption of Methylene Blue (MB) from aqueous solution. The CAs were prepared by physical activation in air, carbon dioxide and steam, and by chemical activation with H 3 PO 4 , ZnCl 2 and KOH. One commercial activated carbon (CAC) was also used. The CAs were analyzed texturally by gas adsorption, mercury porosimetry and density measurements. Physical activation yielded mainly macroporous CAs, whereas chemical activation gave rise to mainly mesoporous CAs with high micro- and macro-pore contents. CAC was an essentially microporous carbon. The affinity of MB towards the CAs was usually low, except for the carbon prepared by activation of VS with KOH at 800 °C for 2 h. This AC exhibited a better behaviour in the adsorption of MB than CAC. The development of macroporosity in the KOH activation product was considerable.
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institution Kabale University
issn 0263-6174
2048-4038
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publishDate 2010-11-01
publisher SAGE Publishing
record_format Article
series Adsorption Science & Technology
spelling doaj-art-9810a03645754ca5a0edb4c4744e6a582025-02-03T10:07:33ZengSAGE PublishingAdsorption Science & Technology0263-61742048-40382010-11-012810.1260/0263-6174.28.8-9.751Adsorption Isotherms of Methylene Blue in Aqueous Solution onto Activated Carbons Developed from Vine Shoots () by Physical and Chemical MethodsMaría Ruiz-FernándezMaría Alexandre-FrancoCarmen Fernández-GonzálezVicente Gómez-SerranoCarbonaceous adsorbents (CAs) developed from vine shoots ( Vitis Vinifera , VS) and characterized texturally were used for the adsorption of Methylene Blue (MB) from aqueous solution. The CAs were prepared by physical activation in air, carbon dioxide and steam, and by chemical activation with H 3 PO 4 , ZnCl 2 and KOH. One commercial activated carbon (CAC) was also used. The CAs were analyzed texturally by gas adsorption, mercury porosimetry and density measurements. Physical activation yielded mainly macroporous CAs, whereas chemical activation gave rise to mainly mesoporous CAs with high micro- and macro-pore contents. CAC was an essentially microporous carbon. The affinity of MB towards the CAs was usually low, except for the carbon prepared by activation of VS with KOH at 800 °C for 2 h. This AC exhibited a better behaviour in the adsorption of MB than CAC. The development of macroporosity in the KOH activation product was considerable.https://doi.org/10.1260/0263-6174.28.8-9.751
spellingShingle María Ruiz-Fernández
María Alexandre-Franco
Carmen Fernández-González
Vicente Gómez-Serrano
Adsorption Isotherms of Methylene Blue in Aqueous Solution onto Activated Carbons Developed from Vine Shoots () by Physical and Chemical Methods
Adsorption Science & Technology
title Adsorption Isotherms of Methylene Blue in Aqueous Solution onto Activated Carbons Developed from Vine Shoots () by Physical and Chemical Methods
title_full Adsorption Isotherms of Methylene Blue in Aqueous Solution onto Activated Carbons Developed from Vine Shoots () by Physical and Chemical Methods
title_fullStr Adsorption Isotherms of Methylene Blue in Aqueous Solution onto Activated Carbons Developed from Vine Shoots () by Physical and Chemical Methods
title_full_unstemmed Adsorption Isotherms of Methylene Blue in Aqueous Solution onto Activated Carbons Developed from Vine Shoots () by Physical and Chemical Methods
title_short Adsorption Isotherms of Methylene Blue in Aqueous Solution onto Activated Carbons Developed from Vine Shoots () by Physical and Chemical Methods
title_sort adsorption isotherms of methylene blue in aqueous solution onto activated carbons developed from vine shoots by physical and chemical methods
url https://doi.org/10.1260/0263-6174.28.8-9.751
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