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An Adaptedness Assessment for Beach Nourishment Utilization of Dredged Materials in Hwasun-Port

화순항내 준설토사의 양빈재 유효활용을 위한 적합성 평가

  • Choi, Jin-Hwan (Department of Integrated Engineering, Graduate School of Venture, Hoseo University) ;
  • Lee, Sang-Houck (Department of Integrated Engineering, Graduate School of Venture, Hoseo University)
  • 최진환 (호서대학교 벤처대학원 융합공학과) ;
  • 이상혁 (호서대학교 벤처대학원 융합공학과)
  • Received : 2014.11.24
  • Accepted : 2015.04.09
  • Published : 2015.04.30

Abstract

Dredged materials for effective use in Hwasun-port pollution analysis, Ni(nickel) in excess of the standard showed that the whole point. However, according to the revised standards effective utilization exceeds the reference value, even if no anthropogenic sources Pearl ratio less than 10% of the average weight of the ecotoxicological tests have passed, and if so it can be used to beach nourishment. Therefore, the average weight ratio of pearl and ecotoxicological tests were conducted by marine environment official test method. Mud to 5.37% of the average weight ratio lower than the reference value of 10% that was investigated. Ecotoxicity test using bioluminescent bacteria relative luminescence inhibition in the 0 to 9.13% with no toxicity was determined using benthic amphipods in the control and the test sample relative to the average survival rate is 0% with no toxicity was determined. Therefore, the revised effective use meets all the criteria that can be used to beach nourishment, so that the suitability was assessed.

화순항에서 유효활용을 위한 준설토의 오염도 분석결과, Ni이 기준치를 전지점에서 초과하는 것으로 나타났다. 그러나 개정된 유효활용기준에 의하면 기준치를 초과하더라도 인위적인 오염원이 없고 펄의 평균 무게 비율이 10%미만이며 생태독성 시험을 통과하였을 경우 양빈재로 활용이 가능하다. 따라서 연구방법으로 해양환경공정시험법에 의한 펄의 평균무게 비율조사와 생태독성실험을 실시하였다. 펄의 평균 무게 비율은 5.37%로 기준치인 10%을 하회하는 것으로 조사되었다. 발광 박테리아를 이용한 생태독성실험 결과는 상대발광저해율이 0~9.13%로 독성없음으로 판정되었으며 저서성 단각류를 이용한 시험에서도 대조구와 시료의 상대평균생존률이 0%로 독성없음으로 판정되었다 따라서, 개정된 유효활용기준을 모두 만족하므로 양빈재로 사용이 가능한 것으로 적합성이 평가되었다.

Keywords

References

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Cited by

  1. Significance of Biomarkers in the Assessment of Dredged Materials for Beneficial Reuses and Disposal vol.25, pp.6, 2016, https://doi.org/10.14249/eia.2016.25.6.466