A TG analysis of the effect of calcination conditions on the properties of reactive magnesia

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dc.contributor.author Liu, Barry en_US
dc.contributor.author Thomas, Paul en_US
dc.contributor.author Ray, Abhi en_US
dc.contributor.author Guerbois, Jean-Pierre en_US
dc.date.accessioned 2009-06-26T04:10:49Z
dc.date.available 2009-06-26T04:10:49Z
dc.date.issued 2007 en_US
dc.identifier 2006011444 en_US
dc.identifier.citation Liu Barry et al. 2007, 'A TG analysis of the effect of calcination conditions on the properties of reactive magnesia', Springer, vol. 88, no. 1, pp. 145-149. en_US
dc.identifier.issn 1388-6150 en_US
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/537
dc.description.abstract The reactivity of MgO obtained from calcination of magnesium carbonate at different temperatures has been investigated by means of hydration in a constant relative humidity environment at 40 degrees C for periods up to 24 days. Natural magnesite and AR g grade basic MgCO3 calcinated in the range of 500-1000 degrees C was characterised in terms of surface area, crystallite size, morphology, and hydration rate. It was foudn that the hydration rate is dependent on the surface area and crystallite size wwhere temperature was the main variable affecting them. The most reactive MgO was produced at the lowest calcination temperature with the highest surface area and the smallest crystallite size. The basic MgO specimens showed higher degree of hydration compared to the natural mgO specimens due to the smaller surface area and larger cyrstallite size. The low MgO content of the starting natural magnesite is also attributable to the lower reactivity. This preliminary study serves as a mean to investigate poetntial utilisation of reactive MgO asa supplementary cementitious material in eco-freindly cements. en_US
dc.publisher Springer en_US
dc.relation.isbasedon http://dx.doi.org/10.1007/s10973-006-8106-0 en_US
dc.title A TG analysis of the effect of calcination conditions on the properties of reactive magnesia en_US
dc.parent Journal Of Thermal Analysis And Calorimetry en_US
dc.journal.volume 88 en_US
dc.journal.number 1 en_US
dc.publocation Dordrecht, Netherlands en_US
dc.identifier.startpage 145 en_US
dc.identifier.endpage 149 en_US
dc.cauo.name SCI.Faculty of Science en_US
dc.conference Verified OK en_US
dc.for 030600 en_US
dc.personcode 034270 en_US
dc.personcode 960405 en_US
dc.personcode 860311 en_US
dc.personcode 910825 en_US
dc.percentage 100 en_US
dc.classification.name Physical Chemistry (incl. Structural en_US
dc.classification.type FOR-08 en_US
dc.description.keywords brucite, calcination, hydration, magnesia, magnesite en_US
dc.staffid 910825 en_US

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