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Boletín de la Sociedad Española de Cerámica y Vidrio
Article . 2004 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
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DIGITAL.CSIC
Article . 2008 . Peer-reviewed
Data sources: DIGITAL.CSIC
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Influencia del procesamiento de materiales cerámicos en su comportamiento como adsorbente de iones en aguas industriales

Influence of processing on the behaviour of ceramic materials as ion adsorbents in industrial waste waters
Authors: Villora, J. M.; Callejas, Pío; Barba Martín-Sonseca, María Flora;

Influencia del procesamiento de materiales cerámicos en su comportamiento como adsorbente de iones en aguas industriales

Abstract

[ES] Las propiedades de un material cerámico están íntimamente relacionadas con el procesamiento seguido para su obtención, dado que éste determina en gran medida su microestructura. En este trabajo se ha diseñado un material cerámico, obtenido a partir de materias primas alternativas (residuos industriales y urbanos), encaminado a retener metales pesados en aguas contaminadas, siguiendo tres procesos distintos: colaje en molde de escayola, prensado uniaxial y extrusión. Para establecer una comparativa entre ellos se han preparado, en los tres casos, en forma de anillos Raschig. Se ha procedido a la caracterización físicoquímica de los materiales así obtenidos, observándose su microestructura mediante microscopía electrónica de barrido, superficie específica (BET), medidas de densidad en mercurio y helio, absorción de agua y porosidad. Asimismo se ha realizado un ensayo dinámico de retención de metales pesados con estos anillos en aguas simuladas, llevando a cabo análisis químicos mediante ICP-OES en las aguas depuradas.

[EN] Properties of ceramic materials are directly related with process followed for their production, since the process is determining microstructure. In this work a ceramic material from industrial and urban wastes has been designed and set out for retaining heavy metals from industrial contaminated waters, following three different processes: slip casting, uniaxial pressing and extrusion. These materials have been shaped as Raschig rings to establish a comparison between them, in three cases. A physical-chemical characterisation of the material has been performed. The microstructure was studied by SEM, specific surface area (BET), mercury and helium density measurements, water absorption and porosity. Additionally, a dynamic immobilisation experiment was performed with these rings in simulated waters containing heavy metals. Chemical analyses were carried out by ICP-OES technique in treated waters.

A la CICYT por la financiación (proyecto AMB99-1187 y DP12000- 0153-P4-0)

Peer reviewed

Country
Spain
Related Organizations
Keywords

Raschig Rings, Clay industries. Ceramics. Glass, Forming process, TP785-869, Materiales porosos, Heavy metals, Procesos de conformado, Porous materials, Aguas contaminadas, Metales pesados, Waste waters, Anillos Raschig

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Top 10%
Average
Green
gold