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Use of coatings to minimise acid emissions during ceramic tile firing.
dc.contributor.author | Monfort, Eliseo | |
dc.contributor.author | Sanz-Solana, Vicente | |
dc.contributor.author | García Ten, Francisco Javier | |
dc.contributor.author | Gómez-Tena, Maria Pilar | |
dc.date.accessioned | 2012-11-05T14:27:37Z | |
dc.date.available | 2012-11-05T14:27:37Z | |
dc.date.issued | 2011-06 | |
dc.identifier.issn | 0959-6526 | |
dc.identifier.uri | http://hdl.handle.net/10234/51079 | |
dc.description.abstract | The manufacture of traditional ceramic products (ceramic tiles, roof tiles, and bricks) is often associated with the emission of F, Cl, and S compounds during the firing stage. According to the literature, fluorine emissions can be reduced by adding CaCO3 to the raw materials mixture used in fabricating these products. However, data available to the authors indicate that this procedure, which has been successfully applied in manufacturing structural ceramics (roof tiles and bricks), is ineffective in ceramic tile manufacture and modifies tile end properties. This paper examines the possibility of reducing such emissions by applying coatings of alkaline-earth carbonates on to the ceramic tile bottom surface to retain the acid compounds emitted during tile firing. The effectiveness of MgCO3, CaCO3, SrCO3, and BaCO3 coatings for retaining these acid emissions was studied, using the evolved gas analysis (EGA) technique with a TG-DSC-FTIR-QM instrument. The SrCO3 coating was found to provide the greatest retention, showing that SO2 and HCl were retained more efficiently than HF. The presence of fluorides, chlorides, and sulphates of Ca, Sr, and Ba was verified in the respective fired coatings, confirming the existence of chemical reactions between the emitted acid compounds and the coating materials at high temperature. | ca_CA |
dc.format.extent | 7 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | © 2011 Elsevier | ca_CA |
dc.relation.isPartOf | Journal of Cleaner Production (June-July 2011), vol. 19, no. 9-10, 1110-1116 | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/CNE/1.0/ | * |
dc.subject | Fluorine | ca_CA |
dc.subject | Chlorine | ca_CA |
dc.subject | Sulphur | ca_CA |
dc.subject | Emission reduction | ca_CA |
dc.subject | Ceramic tile | ca_CA |
dc.title | Use of coatings to minimise acid emissions during ceramic tile firing. | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | http://dx.doi.org/10.1016/.jclepro.2011.01.002 | |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess | ca_CA |
dc.relation.publisherVersion | http://www.sciencedirect.com/science/article/pii/S0959652611000060 | ca_CA |
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