Journal of Soil and Groundwater Environment (한국지하수토양환경학회지:지하수토양환경)

Korean Society of Soil and Groundwater Environment (한국지하수토양환경학회)
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A Study on the Development of Soil Neutrailizing-agent using Waste Materials (Waste-lime, Oyster, Bottom-ash)

폐자원(폐석회, 굴패각, 바닥재)을 이용한 토양 중화제 개발 연구

  • 오승진 (서울시립대학교 환경공학과) ;
  • 조미현 (서울시립대학교 환경공학과) ;
  • 박찬오 (한국광물자원공사 기술연구원) ;
  • 정문호 (한국광해관리공단 기술연구소) ;
  • 이재영 (서울시립대학교 환경공학과)
  • Received : 2012.11.21
  • Accepted : 2012.11.29
  • Published : 2012.12.31
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Abstract

Korea shows the soil pH is 5.8 ~ 6.2 by many factors including the geological structure and climate condition. There is known as the cause for soil acidification by weathering of the mineral, excessive use of the chemical fertilizer, and extensively diffused acid rain. The purpose of research is environmentally-friendly material neutralization technology development utilizing the waste resources against by acid soil. The experiment analyze the physico-chemical property of the acid soil and waste resource materials (waste lime, oyster shell, bottom ash). The Batch-Test was performed under 3 stage. As a result, the acid soil showed up acid soil about 3.19. And waste lime, oyster, bottom ash showed the alkalinity with 9.62, 10.08, 9.17. In case of 1 batch-test experimental result, waste lime and oyster shell, the alkalinity was shown over 7.5 and the good efficiency was showed, on the other hands, the bottom ash showed the pH 4 the neutralization efficiency which is low. waste resource materials to be applied to 2 steps was chosen as the waste lime except the bottom ash and oyster. In 2 step batch-test experiment, it was exposed to be the most appropriate in case of doing the combination ratio of the waste lime and oyster shell with 9 : 1. It was exposed to be efficient most in the effeciency and aspect of economical efficiency combination ratio of the soil and materials was 9.6 : 0.6 with 3 step batch-test experimental result.

Keywords

References

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