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DIGITAL.CSIC
Article . 2013 . Peer-reviewed
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Influencia del tratamiento mecánico en el mecanismo de descomposición térmica de la dolomita

Authors: Criado Luque, José Manuel; González García, Francisco; Morales Palomino, J.;

Influencia del tratamiento mecánico en el mecanismo de descomposición térmica de la dolomita

Abstract

[ES]: En el presente trabajo se estudia la influencia ejercida por la molienda en la textura, estructura y en el mecanismo de descomposición térmica de la dolomita, empleándose las técnicas de A.T.G., A.T.D., difracción de rayos X y medidas de superficie específica. No se ha observado que la molienda cause la descomposición de la dolomita a temperatura ambiente. Los resultados obtenidos muestran que el mecanismo de la descomposición térmica de la dolomita, en vacío, se desplaza de la reacción: (CO3)2 MgCa OCa + OMg + 2CO2 (CO3)2 MgCa CO3Ca + OMg + CO2 a medida que progresa la molienda de la sal. Estos resultados se han interpretado en función de la deformación plástica sufrida por el sólido como consecuencia del tratamiento mecánico.

[EN]: Effects of mechanical grinding on the texture, structure and thermal decomposition mechanism of dolomite have been studied. T.G. A., D.T.A., X-ray diffraction and B.E.T. specific surface area techniques have been used. Decomposition of dolomite was not observed during its grinding at room temperature. The results obtained show that the thermal decomposition mechanism of dolomite in vacuum, changes from: (CO3),MgCa > OCa + OMg + 2 CO, to: (CO3).MgCa > CO3Ca + OMg + CO2 when grinding progress. These results could be explained on the basis of the plastic deformation of the solid cuased by mechanical grinding.

5 páginas, 4 figuras, 11 referencias.

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selected citations
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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).
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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.
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