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Título

Adsorption of p-cresol on novel diatomite/carbon composites

AutorHadjar, H.; Hamdi, B.; Ovín Ania, María Concepción
Palabras claveAdsorption
P-cresol
Diatomite
Carbon composite
Fecha de publicaciónabr-2011
EditorElsevier
CitaciónJournal of Hazardous Materials 188(1-3): 304-310 (2011)
ResumenHybrid inorganic/organic adsorbents were synthesized using mixtures of diatomite and carbon charcoal as precursors, and explored for the removal of p-cresol from aqueous solution. The carbon/diatomite composites displayed a bimodal and interconnected porous structure which was partially inherited from both precursors. They display moderate surface areas (between 100 and 400 m2 g−1) due to their large inorganic content (between 70 and 90 wt.%), since the diatomite is a non-porous material. Compared to activated carbons with a more developed porosity, p-cresol adsorption on the prepared carbon/diatomite composites was much faster, showing adsorption capacities similar to those of conventional adsorbents over a wide pH range. These results show a good affinity of p-cresol molecules towards the hybrid inorganic/organic composites, and demonstrate the suitability of these novel materials for the removal of aromatic (polar) molecules, despite their dominant inorganic character.
Versión del editorhttp://dx.doi.org/10.1016/j.jhazmat.2011.01.108
URIhttp://hdl.handle.net/10261/99157
DOI10.1016/j.jhazmat.2011.01.108
ISSN0304-3894
E-ISSN1873-3336
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