Phase Transformations in the Production of Calcium Silicate From Zeolite-Silica Rock

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The synthesis of wollastonite begins at temperatures between 800 and 900 °C and peaks at 1175 °C.
X-ray analysis reveals that the maximum yield of wollastonite reached 81% with specific temperature and holding time.
A systematic temperature range of 800 to 1200 °C was used to assess phase transformations in the calcite and zeolite system.
The transition from β- to α-wollastonite occurs at an experimentally determined temperature of 1190 °C.

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Experimental analysis evaluates phase transformations for wollastonite synthesis from zeolite and silica, indicating key temperature thresholds.

Mishagin et al. (2025) studied this question.

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Experimental analysis evaluates phase transformations for wollastonite synthesis from zeolite and silica, indicating key temperature thresholds.