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NTIS 바로가기자원환경지질 = Economic and environmental geology, v.53 no.4, 2020년, pp.347 - 362
이우춘 (경상대학교 자연과학대학 지질과학과 및 기초과학연구소(RINS)) , 이상우 (경상대학교 자연과학대학 지질과학과 및 기초과학연구소(RINS)) , 김순오 (경상대학교 자연과학대학 지질과학과 및 기초과학연구소(RINS))
Iron (hydro)oxides in aqueous environments are primarily formed due to mining activities, and they are known to be typical colloidal particles disturbing surrounding environments. Among them, hematites are widespread in surface environments, and their behavior is controlled by diverse factors in aqu...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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수환경 내 철 (수산)산화물은 주로 무엇에 의해 생성되는가? | 수환경 내 철 (수산)산화물은 주로 광산 활동에 의해 생성되며 주변 환경을 교란시키는 대표적인 교질물이다. 철 (수산)산화물들 중 지표에 많이 분포하고 있는 적철석은 수환경 내 다양한 환경인자들로 인해 거동 특성이 변한다. | |
철 (수산)산화물들 중 지표에 많이 분포하고 있는 것은 무엇인가? | 수환경 내 철 (수산)산화물은 주로 광산 활동에 의해 생성되며 주변 환경을 교란시키는 대표적인 교질물이다. 철 (수산)산화물들 중 지표에 많이 분포하고 있는 적철석은 수환경 내 다양한 환경인자들로 인해 거동 특성이 변한다. 본 연구는 배경용액의 이온 조성과 세기, pH, 자연 유기물 등의 환경적 인자가 교질상 적철석의 거동에 미치는 영향을 살펴보고자 수행되었다. | |
철 (수산)산화물들 중 지표에 많이 분포하고 있는 적철석 교질물 입자들의 거동특성을 명확하게 해석하고자 무엇을 수행하였는가? | 본 연구는 배경용액의 이온 조성과 세기, pH, 자연 유기물 등의 환경적 인자가 교질상 적철석의 거동에 미치는 영향을 살펴보고자 수행되었다. 특히, 적철석 교질물 입자들의 거동특성을 보다 더 명확하게 해석하고자 동적광산란분석기(dynamic light scatterer, DLS)와 단일입자 유도결합플라즈마질량분석기(single particle ICP-MS, spICP-MS)를 비교하여 분석을 수행하였다. 배경용액의 이온 조성과 세기가 변함에 따라 적철석 입자의 표면 확산이중층의 두께가 변화될 뿐만 아니라, 입자에 미치는 정전기적 힘과 van der Walls의 합력이 변하면서 입자의 응집/분산 특성이 달라지는 것으로 나타났다. |
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