대한환경공학회지 (Journal of Korean Society of Environmental Engineers)

  • 제32권7호
  • /
  • Pages.682-689
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  • 2010
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  • 1225-5025(pISSN)
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  • 2383-7810(eISSN)
대한환경공학회 (Korean Society of Environmental Engineers)
권호 표지

컬럼실험을 통한 바텀애쉬 및 폐타이어의 용출특성 평가

Evaluation of Leaching Characteristics of Bottom Ash and Waste Tire

  • Lee, Jea-Keun (Department of Environmental Engineering, Pukyong National University) ;
  • Koh, Tae-Hoon (Korea Railroad Research Institute, Railroad Structure Research Department) ;
  • Sa, Kong-Myong (Korea Railroad Research Institute, Railroad Structure Research Department) ;
  • Lee, Sung-Jin (Korea Railroad Research Institute, Railroad Structure Research Department) ;
  • Lee, Tae-Yoon (Department of Environmental Engineering, Pukyong National University)
  • 투고 : 2010.02.07
  • 심사 : 2010.07.08
  • 발행 : 2010.07.31
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초록

본 연구는 화력발전소에서 발생한 바텀애쉬와 폐타이어를 성토재로 사용하기 전 환경에 미치는 영향을 파악하기 위해 수행되었다. 바텀애쉬에 대해서는 3가지 초기 pH 4, 6, and 8 조건에서 실험하였고, 폐타이어와 바컴애쉬 폐타이어 혼합물은 pH 4 조건에서 실험하였다. 7가지 중금속 중 Pb과 Zn이 먹는물 수질기준을 초과하였으나 1 PVE안에 모두 기준을 만족하였다. 5가지 음이온 중 황산염의 농도만 기준치의 최대 10배 정도로 크게 검출이 되었으며 높은 분배계수로 인해 수질기준치 이하로 낮아지는 데 걸리는 시간도 최대 8.21 PVE에 달하였다. 혼합물의 경우 바텀애쉬와 비교 시 중금속 및 음이온의 농도를 낮추었으며 요구되는 PVE도 8.21에서 5.89로 낮추는 효과가 있었다.

The purpose of this study was to determine any detrimental effects on surrounding environments by using bottom ash, waste tire, and mixture as a fill material to raise the ground level. Three different initial pHs (4, 6, 8) were applied to bottom ash and initial pH of 4 was used to waste tire and mixture. Among 7 heavy metals, Pb and Zn were exceeded drinking water standards but their concentrations decreased below drinking water standards within 1 PVE. Among 5 anions, sulfate exceeded 10 times of drinking water standards and further higher partition coefficients resulted in increased PVE of 8.21. For the mixture of bottom ash and waste tire, its concentrations of heavy metals and anions were decreased due to the dilution effect and lowered PVE from 8.21 (BA) to 5.89.

키워드

과제정보

연구 과제 주관 기관 : 기상청

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