펄프종이기술 (Journal of Korea Technical Association of The Pulp and Paper Industry)

한국펄프종이공학회 (Korea Technical Association of the Pulp and Paper Industry)
권호 표지

제지 슬러지 재활용에 의한 압착 탈수

Study on the Expression Dehydration by Recycling of Paper Sludge

  • 조준형 (강원대학교 산림과학대학 제지공학과) ;
  • 조정원 (강원대학교 산림과학대학 제지공학과)
  • Cho Jun Hyung (Dept. of Paper Science & Engineering, College of Forest Sciences, Kangwon National University) ;
  • Cho Jung Won (Dept. of Paper Science & Engineering, College of Forest Sciences, Kangwon National University)
  • 발행 : 2004.12.01
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초록

Expression-deliquoring tests using three types of paper sludges (tissue, newsprint, and paperboard) as deliquoring agent were carried out in order to investigate the effects of sludge dosage and pressure on the expression-deliquoring of slurry. The addition of deli­quoring agent causes expression-deliquoring of slurry to be faster than would be the case without the deliquoring agent. In case of the tissue sludge, the highest compression rate was achieved when $5\%$ of deliquoring agent was added, while in cases of the news­print and the paperboard sludge, $7\%$. Compression rate was increased as pressure increases. Porosity was decreased as pressure increases. The lowest porosity was observed when $5\%$ of tissue sludge was added. When compared the weight of cake where deliquoring agent was not added and the weight of cake that was fastest expression-deliquoring, there was about $17.5\%$ of the weight reduction

키워드

참고문헌

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