Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/20300
Title: B2O3 content in sintered magnesium oxide obtained from seawater
Authors: Labor, M
Martinac, V
Petric, N
Keywords: Activated sintering;B2O3;Isothermal sintering;Seawater-derived magnesium oxide;Titanium oxide
Issue Date: Jul-2013
Publisher: NISCAIR-CSIR, India
Abstract: The effect of TiO2 concentration (1, 2, and 5 mass %) on the reduction of B2O3 content has been studied during isothermal and activated sintering of seawater-derived magnesium oxide at 1550, 1650 and 1750°C for 1, 3 and 5 h. Magnesium oxide is obtained from seawater by precipitation with 80% and 120% of the stoichiometric quantity of the dolomite lime as the precipitation agent. The results indicate that the addition of TiO2 has a significant effect and it also greatly affects the evaporation of B2O3. The thermodynamic analysis of experimental results, based on Onsager phenomenological postulates, has established the relations of mutual influence of simultaneous irreversible processes, i.e. reactions of the formation of Ca2B2O5 and CaTiO3, during isothermal and activated sintering of seawater-derived magnesium oxide.
Page(s): 276-281
URI: http://hdl.handle.net/123456789/20300
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.20(4) [July 2013]

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