지하 심부 토양 및 퇴적물 내 토착 미생물의 활성화에 따른 중금속 거동을 이해하기 위하여, 독성 중금속으로 오염된 국내 일부 지역의 시료를 대상으로 혐기적 환경에서 유산염(lactate)을 탄...
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https://www.riss.kr/link?id=A100573533
송대성 (전남대학교) ; 이종운 (전남대학교) ; 고일원 (광주과학기술원) ; 김경웅 (광주과학기술원) ; Song, Dae-Sung ; Lee, Jong-Un ; Ko, Il-Won ; Kim, Kyoung-Woong
2007
Korean
KCI등재,SCOPUS,ESCI
학술저널
575-585(11쪽)
8
0
상세조회0
다운로드국문 초록 (Abstract)
지하 심부 토양 및 퇴적물 내 토착 미생물의 활성화에 따른 중금속 거동을 이해하기 위하여, 독성 중금속으로 오염된 국내 일부 지역의 시료를 대상으로 혐기적 환경에서 유산염(lactate)을 탄...
지하 심부 토양 및 퇴적물 내 토착 미생물의 활성화에 따른 중금속 거동을 이해하기 위하여, 독성 중금속으로 오염된 국내 일부 지역의 시료를 대상으로 혐기적 환경에서 유산염(lactate)을 탄소원으로 투입한 후 약 25일간에 걸친 비소 및 중금속(카드뮴, 구리, 납, 아연) 함량 변화를 관찰하였다. 실험 결과, 미생물이 투입된 시료의 경우 미생물이 투입되지 않은 비교시료에 비하여 용존 카드뮴, 납, 아연이 효과적으로 제거되었으며, 이는 토착 황산염 환원(sulfate-reducing) 박테리아의 활성화로 인해 생성된 환원상태의 황이 이들 중금속과 황화물을 형성하며 침전시켰기 때문으로 여겨진다. 비소의 경우, 미생물을 투입한 시료 중 황산염의 함량이 높은 덕음 토양에서는 제거율이 높은 반면 황산염의 함량이 상대적으로 낮은 화북 토양, 동두천 퇴적물에서는 지속적으로 그 함량이 증가하였다. 적절한 탄소원 및 황산염을 투입해 독성 중금속으로 오염된 지질 매체 내의 토착 미생물을 활성화시킨다면 이들 중금속의 원위치(in situ) 고정화를 통한 이동도 감소의 효과를 볼 수 있을 것으로 여겨지나, 비소로 동시에 오염된 경우 발생할 수 있는 비소 용출 가능성에 대한 고려가 필요하다.
다국어 초록 (Multilingual Abstract)
Microbial control of the geochemical behavior of heavy metals (Cd, Cu, Pb, and Zn) and As in contaminated subsurface soil and sediment was investigated through activation of indigenous bacteria with lactate under anaerobic condition for 25 days. The r...
Microbial control of the geochemical behavior of heavy metals (Cd, Cu, Pb, and Zn) and As in contaminated subsurface soil and sediment was investigated through activation of indigenous bacteria with lactate under anaerobic condition for 25 days. The results indicated that dissolved Cd, Pb and Zn were microbially removed from solutions, which was likely due to the formation of metal sulfides after reduction of sulfate by indigenous sulfate-reducing bacteria. Soils from the Dukeum mine containing a large amount of sulfate resulted in complete removal of dissolved As after 25 days by microbial activities, while there were gradual increases in dissolved As concentration in soils from the Hwabuk mine and sediments from the Dongducheon industrial area which showed low $SO_4{^2-}$ concentrations. Addition of appropriate carbon sources and sulfate to contaminated geological media may lead to activation of indigenous bacteria and thus in situ stabilization of the heavy metals; however, potential of As release into solution after the amendment should be preferentially investigated.
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남한의 중생대 광화유체의 기원과 진화특성: 광상 성인과의 관계
태백산 광화대 북부에서 칼린형 금광화작용 부존 잠재력 평가를 위한 지구화학 탐사
토양라이시미터를 이용한 토양오염확산.거동 예측을 위한 토양공극수 채취와 분석
토양내 중금속 실시간 탐지를 위한 레이저 유도붕괴 분광법의 활용에 대한 소개
학술지 이력
연월일 | 이력구분 | 이력상세 | 등재구분 |
---|---|---|---|
2023 | 평가예정 | 해외DB학술지평가 신청대상 (해외등재 학술지 평가) | |
2020-01-01 | 평가 | 등재학술지 유지 (해외등재 학술지 평가) | |
2013-01-01 | 평가 | 등재 1차 FAIL (등재유지) | |
2010-01-01 | 평가 | 등재학술지 유지 (등재유지) | |
2008-01-01 | 평가 | 등재학술지 유지 (등재유지) | |
2006-01-01 | 평가 | 등재학술지 유지 (등재유지) | |
2004-01-01 | 평가 | 등재학술지 유지 (등재유지) | |
2001-07-01 | 평가 | 등재학술지 선정 (등재후보2차) | |
1999-01-01 | 평가 | 등재후보학술지 선정 (신규평가) |
학술지 인용정보
기준연도 | WOS-KCI 통합IF(2년) | KCIF(2년) | KCIF(3년) |
---|---|---|---|
2016 | 0.35 | 0.35 | 0.34 |
KCIF(4년) | KCIF(5년) | 중심성지수(3년) | 즉시성지수 |
0.29 | 0.27 | 0.625 | 0.19 |