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논문 기본 정보

자료유형
학술저널
저자정보
Sung Kwan Seo (Korea Institute of Ceramic Eng. & Tech)
저널정보
한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제18권 제1호
발행연도
2017.1
수록면
86 - 91 (6page)
DOI
http://dx.doi.org/

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초록· 키워드

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The paper industry in Korea has continued to grow at a high pace. The annual amount of paper sludge generated during thewastewater treatment process in the paper manufacturing process is about 1.6 million tons. In addition, paper sludge isrecycled as paper ash after incineration, but most of it is landfilled. Therefore, this study aimed to use calcium based paperash as cement admixture generated in the production process of neutral paper-making process to have various uses of paperash. In order to use paper ash as a cement admixture, pre-treatments such as pre-hydration and hydration control arerequired. As a result, the characteristics of paper ash and the formation of ettringite were found to be good when 12% ofhydration water and 10% of anhydrous gypsum were mixed. Also, it was shown that when pre-treated paper ash with a lessthan 10% of OPC was used as a cement admixture, good compressive strength and workability could be obtained. Especially,cement mixed with pretreated paper ash showed excellent shrinkage resistance performance compared to OPC.

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