Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Heavy Metal Leaching Characteristics of Sludge from Paper Mill Process with Sintering Temperature

소성온도에 따른 제지공정 슬러지의 중금속 용출특성 연구

  • Park, Joon-Seok (Dept. of Env. Disaster Prevention Eng., Kangwon National University) ;
  • Ko, Jae-Churl (Research Center for Clean Technology, Korea Polytechnic University) ;
  • Kim, Seung-Ho (Dept. of Env. Disaster Prevention Eng., Kangwon National University) ;
  • Park, Young-Koo (Dept. of Env. Disaster Prevention Eng., Kangwon National University) ;
  • Jeon, Jea-Yeoul (Dept. of Env. Disaster Prevention Eng., Kangwon National University)
  • 박준석 (강원대학교 환경방재공학과) ;
  • 고재철 (한국산업기술대학교 청정공정&소재연구소) ;
  • 김승호 (강원대학교 환경방재공학과) ;
  • 박영구 (강원대학교 환경방재공학과) ;
  • 전제열 (강원대학교 환경방재공학과)
  • Published : 2009.03.30
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Abstract

This research was performed to evaluate heavy metal leaching characteristics of the sludge from paper mill process with sintering temperature. Heavy metal leaching of the sludge was characterized with Korean Leaching Test and Toxicity Characteristic Leaching Procedure. The test sludge was composed of 70.72% of moisture, 9.5% of volatile solids and 9.76% of fixed solids. As a result of XRF analysis, Fe was the highest inorganic element in approximately 83%, which implies the recycling possibility of the sludge in reuse of Fenton chemicals and artificial lightweight aggregate. Leaching of heavy metals from sintered sludge was lower than the dry ones. However, there was no significant difference in leaching characteristics between the sludges sintered at $350^{\circ}C$ and $650^{\circ}C$. Zn and Fe were leached more greatly in TCLP and KLT methods respectively.

Keywords

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