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Combustion synthesis of calcium aluminates
Materials Research Bulletin, 1996 Commercial calcium aluminate cements for refractory use are known to contain various phases, the hydration behavior of which is interdependent and not fully understood. Hydration studies normally require that pure oxides be synthesized. Solid-state synthesis of single aluminates requires high temperatures and full conversion is not guaranteed. Moreover,
Fumo, D.A. +2 more
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Formation Kinetics of Calcium Aluminates
Journal of the American Ceramic Society, 1990The kinetics of formation of calcium aluminates was studied by firing the reaction mixes in the temperature range 12000° to 1460°C for reaction times from 15 to 360 min. Phases formed were determined by taking X‐ray diffractograms of the samples.
Vipin K. Singh +2 more
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Solar synthesis of calcium aluminates
Solar Energy, 2018 Abstract The production of high alumina refractory cements (>75% Al2O3) is traditionally carried out in furnaces heated with both electric power (submerged arc furnaces) and fossil fuels (coke, natural gas). This heating system has several disadvantages: electricity price, contamination of the cement or greenhouse gases emissions.
Fernández González, Daniel +5 more
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Belite clinkers with increasing aluminium content: Effect of calcium aluminates on calcium silicate hydration [PDF]
Cement and Concrete Research, 2022 Belite cements (BCs) could have advantages over Portland cements concerning durability, low heat development and the use of less demanding raw materials.
Cinthya Redondo-Soto +2 more
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Can calcium aluminates activate ternesite hydration?
Cement and Concrete Research, 2018 Aluminum hydroxide (AH3) has recently been shown to be able to activate hydration in ternesite, a phase found in some calcium sulfoaluminate (CSA) cements.
P M Carmona-Quiroga, M T Blanco-Varela
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The effect of calcium aluminates on the coke analogue gasification
Fuel, 2018 The gasification rate in CO2 of the coke analogue containing calcium oxide was studied using analogues doped with alumina (corundum), calcium aluminates (CA6, CA, C3A) and lime minerals.
Apsara S Jayasekara +2 more
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