한국세라믹학회지 (Journal of the Korean Ceramic Society)

  • 제44권9호
  • /
  • Pages.483-488
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  • 2007
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  • 1229-7801(pISSN)
  • /
  • 2234-0491(eISSN)
한국세라믹학회 (The Korean Ceramic Society)
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P2O5가 클링커 광물조성 및 품질에 미치는 영향

The Influence of P2O5 on the Clinker Mineral Composition and Cement Quality

  • 엄태형 (쌍용양회공업(주) 기술연구소) ;
  • 김원석 (쌍용양회공업(주) 기술연구소) ;
  • 김창범 (쌍용양회공업(주) 기술연구소) ;
  • 전병용 (쌍용양회공업(주) 기술연구소) ;
  • 이종열 (쌍용양회공업(주) 기술연구소)
  • Eom, Tae-Hyoung (Technology Research Center, Ssangyong Cement Industrial Co., Ltd) ;
  • Kim, Won-Seok (Technology Research Center, Ssangyong Cement Industrial Co., Ltd) ;
  • Kim, Chang-Bum (Technology Research Center, Ssangyong Cement Industrial Co., Ltd) ;
  • Jeon, Byeong-Yong (Technology Research Center, Ssangyong Cement Industrial Co., Ltd) ;
  • Lee, Jong-Ryul (Technology Research Center, Ssangyong Cement Industrial Co., Ltd)
  • 발행 : 2007.09.30
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초록

The influence of $P_2O_5$ on clinker mineral composition and the cement quality was investigated. When the sewage sludge was used as a raw material in place of clay, the presence of $P_2O_5$ in sewage sludge affects the mineral composition and the clinker quality. As the $P_2O_5$ concentration in raw mix increases, the burnability of clinker becomes worse and the alite decomposes into belite and free-CaO, so belite increases with the decrease of alite. The early strength of mortar decreases with the increase of $P_2O_5$ concentration. On the other hand, later-age strength increases with the increase of belite content. The setting time of cement was delayed with the $P_2O_5$ concentration above 0.6 wt%.

키워드

참고문헌

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