Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Effect of $ SO_3$ on Calciumsilicate Formation(II)

Calciumsilicate의 생성반응에 미치는$ SO_3$의 영향(II)

  • 임은극 (서울대학교 대학원 무기재료공학과) ;
  • 박병철 (서울대학교 대학원 무기재료공학과)
  • Published : 1984.02.01
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Abstract

In this study a comparative investigation for the effect of $K_2SO_4$ and $CaSO_4$ on the decomposition of $C_3S$ was made. When pure $C_3S$ which was synthesized in the laboratory was mixed with $K_2SO_4$ and oxides such as MgO $Al_2O_3$ and $Fe_2O_3$ and then reburned at the temperature range between 135$0^{\circ}C$ and 145$0^{\circ}C$ no decompo-sition occurred, But when $CaSO_4$ and $Fe_2O_3$ were added to $C_3S$ and then reburned at below 130$0^{\circ}C$ $C_3S$ was partly decomposed to $C_2S$and CaO composing $2C_2S$.$CaSO_4$ When $CaSO_4$ and $Al_2O_3$were added $C_3S$ was entirely decomposed to $C_2S$ and CaO at 1300~140$0^{\circ}C$ but it was not decomposed at 145$0^{\circ}C$.

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References

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