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Issue 48, 2012
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Low-cost materials for boron adsorption from water

Cristina Sanfeliu,abc  Ramón Martínez-Máñez,abc  Félix Sancenón,abc  Juan Soto,ab  Victoria Puchol,d  Pedro Amorósd  and  M. Dolores Marcos*abc 
Author affiliations

* Corresponding authors

a Centro de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Unidad Mixta Universidad Politécnica de Valencia, Universidad de Valencia, Spain

b Departamento de Química, Universidad Politécnica de Valencia, Camino de Vera s/n, E-46022 Valencia, Spain
E-mail: mmarcos@qim.upv.es
Fax: +34 96 387 9349

c CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN), Spain

d Institut de Ciència dels Materials (ICMUV), Universitat de València, P.O. Box 22085, Valencia, Spain

Abstract

Knowing the affinity of boron aqueous species for cis-diol organic groups, five different hybrid materials have been prepared by anchoring glucose groups onto the surface of silica matrices with a different surface topology: UVM-7 bimodal mesoporous silica, UVM-11 unimodal non-templated mesoporous silica, commercial silica fume and two silica xerogels with pores within the mesoporous range (13–50 nm). After optimizing the experimental conditions, a comparison was made of the boron adsorption capacities in water. The relationship of the structural and functionalization parameters is discussed and the importance of the surface topology in the final adsorption behaviour is revealed. Hence, despite the UVM-7 based material being the best boron adsorbent, the solid based on one of the xerogels is seen to be a good candidate for preparing low-cost boron adsorbents.

Graphical abstract: Low-cost materials for boron adsorption from water

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Publication details

The article was received on 04 May 2012, accepted on 07 Oct 2012 and first published on 08 Oct 2012


Article type: Paper
DOI: 10.1039/C2JM32819D
Citation: J. Mater. Chem., 2012,22, 25362-25372
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    Low-cost materials for boron adsorption from water

    C. Sanfeliu, R. Martínez-Máñez, F. Sancenón, J. Soto, V. Puchol, P. Amorós and M. D. Marcos, J. Mater. Chem., 2012, 22, 25362
    DOI: 10.1039/C2JM32819D

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