- Geochemical Investigation of Fluoride Migration in the Soil Affected by an Accidental Hydrofluoric Acid Leakage
- Kwon, Eunhye;Lee, Hyun A;Kim, Doyoung;Lee, Junseok;Lee, Sanghoon;Yoon, Hye-On;
- Environmental Engineering Section, The Catholic University of Korea;Seoul Center, Kora Basic Science Institute;Environmental Engineering Section, The Catholic University of Korea;Seoul Center, Kora Basic Science Institute;Environmental Engineering Section, The Catholic University of Korea;Seoul Center, Kora Basic Science Institute;
- 불산 누출사고 지역 토양수의 지구화학적 특성을 통한 불소 거동 및 확산 잠재성 연구
- 권은혜;이현아;김도영;이준석;이상훈;윤혜온;
- 가톨릭대학교 생명공학과 환경공학전공;한국기초과학지원연구원 서울센터;가톨릭대학교 생명공학과 환경공학전공;한국기초과학지원연구원 서울센터;가톨릭대학교 생명공학과 환경공학전공;한국기초과학지원연구원 서울센터;
Abstract
The hydrofluoric acid (HF) leakage accident occurred on September 2012 in Gumi, Korea affected the surrounding soils and plants. In this study, we investigated fluoride migration in Gumi area through geochemical properties of soil-liquid phase (pore water F and water-soluble F). The concentrations of porewater F and water-soluble F were obtained from N.D (Not detected) to 9.79 mg/L and from 0.001 to 21.4 mg/L, respectively. F in pore water seemed to be affected by artificial and natural origin, and PHREEQC results implied that fluorite is F control factor. F concentrations of soil and soil-liquid phase did not exceed concern level of regulatory criteria and showed similar trends compared by previous studies. Therefore, F contents remained in the soil and soil-liquid phase were considered to be not affected by HF leakage accident.
Keywords: Fluoride;Soil-liquid phase;PHREEQC modeling;Soil pollution;
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