In order to optimize the synthesis parameters and make the
belite cement manufacture more economical, the effect of temperature
and stirring time on the formation of belite cement minerals,
in particular
L-C2S belite phase, were studied. The hydrothermal
treatments were carried out in a 1M KOH solution at heating temperatures
of 20, 50 and 100 ◦C for stirring times of 1, 2, 5, 12 and
24 h. The burning temperature after hydrothermal treatments was
set to 1100 ◦C. Tables 3 and 4 give the mineral species found in
the mixture after hydrothermal treatments and burning at 1100 ◦C,
respectively.
In order to optimize the synthesis parameters and make thebelite cement manufacture more economical, the effect of temperatureand stirring time on the formation of belite cement minerals,in particular L-C2S belite phase, were studied. The hydrothermaltreatments were carried out in a 1M KOH solution at heating temperaturesof 20, 50 and 100 ◦C for stirring times of 1, 2, 5, 12 and24 h. The burning temperature after hydrothermal treatments wasset to 1100 ◦C. Tables 3 and 4 give the mineral species found inthe mixture after hydrothermal treatments and burning at 1100 ◦C,respectively.
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