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Inicio Ciência & Tecnologia dos Materiais Adsorption of MCPA, 2,4-D and diuron onto activated carbons from wood composites
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Vol. 29. Issue 1.
Materiais 2015
Pages e224-e228 (January - April 2017)
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Vol. 29. Issue 1.
Materiais 2015
Pages e224-e228 (January - April 2017)
DOI: 10.1016/j.ctmat.2016.07.005
Adsorption of MCPA, 2,4-D and diuron onto activated carbons from wood composites
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I.P.P. Cansado
Corresponding author
ippc@uevora.pt

Corresponding author.
, P.A.M. Mourão, J.A.F.L. Gomes, V. Almodôvar
Departamento de Química, Centro de Química de Évora, Instituto de Investigação e Formação Avançada, Escola de Ciências e Tecnologia, Universidade de Évora – Rua Romão Ramalho, 59, 7000-671 Évora, Portugal
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Abstract

Activated carbon adsorbents were produced from particleboard and medium-density fiberboard, industry originated wastes, without value added applications. These materials were characterized, showing a well-developed microporous structure reaching 0.58cm3/g, and afterwards, their potential application for the removal of phenoxy acetic acids and substituted urea herbicide was evaluated. Studies in liquid phase were conducted in 2,4-dichlorophenoxy acetic acid (2,4-D), 4-chloro-2-methylphenoxy acetic acid (MCPA) and 3-(3,4-dichlorophenyl)-1,1-dimethylurea (diuron), being the obtained data linearized using the Langmuir and Freundlich equations. Results indicated high removal capabilities for the adsorptives in study, reaching 0.97, 1.37 and 1.87 mmol/g for diuron, 2,4-D, and MCPA respectively, allowing the conclusion that these materials should be studied further, having in mind real life applications.

Keywords:
Activated carbon
adsorption
pesticides
monolith wood

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