Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Effect of Gamma-ray Treatment on Toxicity of Textile and Pigment Wastewaters

감마선 처리가 섬유와 안료폐수의 생물독성에 미치는 영향

  • Kim, Eun-Ae (Division of Environmental Science & Ecological Engineering, Korea University) ;
  • Jo, Hun-Je (Division of Environmental Science & Ecological Engineering, Korea University) ;
  • Park, Eun-Joo (Division of Environmental Science & Ecological Engineering, Korea University) ;
  • Kim, Hyo-Jin (Division of Environmental Science & Ecological Engineering, Korea University) ;
  • Kim, Jeong-Gyu (Division of Environmental Science & Ecological Engineering, Korea University) ;
  • Jung, Jinho (Division of Environmental Science & Ecological Engineering, Korea University)
  • 김은애 (고려대학교 환경생태공학부) ;
  • 조훈제 (고려대학교 환경생태공학부) ;
  • 박은주 (고려대학교 환경생태공학부) ;
  • 김효진 (고려대학교 환경생태공학부) ;
  • 김정규 (고려대학교 환경생태공학부) ;
  • 정진호 (고려대학교 환경생태공학부)
  • Received : 2005.10.20
  • Accepted : 2005.11.07
  • Published : 2006.01.30
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Abstract

Textile and pigment wastewater samples collected from an industrial complex showed toxic effect on Daphnia magna. For textile wastewater, 48 h acute toxicity of effluent was not detected while toxic unit (TU) of influent was 1.79. The toxicity of influent was completely disappeared by gamma-ray treatment at 10 kGy or by suspended solids (SS) removal. In case of pigment wastewater, both influent and effluent were toxic to D. magna though the effluent satisfied current water quality standards. Gamma-ray treatment had little effect on the toxicity reduction of pigment wastewater since the toxicity was mainly caused by metal ions, in particular, Cr(VI). This work suggests the bioassay technique for monitoring adverse effects of wastewater should be introduced, and also shows the usefulness of gamma-rays as an advanced treatment technique for textile wastewater.

Keywords

Acknowledgement

Supported by : 과학기술부

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