방해석과 아라고나이트를 이용한 인공산성배수의 중금속 제거 효율 평가

Calcite and aragonite are polymorphs with the chemical formula CaCO3. In this study, natural limestone and aragonite, as well as scallop and clam shells composed of calcite and aragonite, were used as the pH-raising neutralizing agents for model solutions containing various heavy metals such as Cd,...

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Published in자원환경지질 Vol. 57; no. 3; pp. 319 - 327
Main Authors 송병철(Byeong Cheol Song), 김영훈(Young Hun Kim), 김정진(Jeong Jin Kim)
Format Journal Article
LanguageKorean
Published Korea Society Of Economic&Environmental Geology 30.06.2024
대한자원환경지질학회
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ISSN1225-7281
2288-7962
DOI10.9719/EEG.2024.57.3.319

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Abstract Calcite and aragonite are polymorphs with the chemical formula CaCO3. In this study, natural limestone and aragonite, as well as scallop and clam shells composed of calcite and aragonite, were used as the pH-raising neutralizing agents for model solutions containing various heavy metals such as Cd, Cu, Fe, Mn, and Zn to simulate acidic drainage. According to the experimental results, pH-raising effect is higher in the shell materials compared to natural ores for both the calcite and aragonite types. Natural calcite and scallop shells are found to be the most suitable media for Cd removal, while over 95% efficiency for Cu and Fe removal was observed in all four media. Zn removal efficiency is higher in aragonite and clam shells, while Mn removal efficiency is relatively low, to be below 50%, for all four media. Overall, the heavy metal removal efficiency, except for Mn, was over 90%, in the order of Fe > Cu > Cd > Zn > Mn. 탄산염광물인 방해석과 아라고나이트는 화학식 CaCO3인 동질이상광물이다. 본 연구에서 사용된 pH 상승용 중화제는 자연산 석회암과 아라고나이트, 방해석으로 구성된 가리비(scallop)와 아라고나이트로 구성된 바지락(clam) 패각이다. 실험에 사용한 인공산성배수의 중금속은 Cd, Cu, Fe, Mn, Zn이다. 실험결과에 의하면, pH상승 효과는 방해석과 아라고나트계열 모두 자연산 광석보다 패각이 더 높다. Cd 제거에 가장 적당한 매질은 자연산 방해석과 가리비(방해석)이며 Cu와 Fe는 4개 시료 모두 95% 이상의 높은 효율을 나타내었다. Zn은 아라고나이트와 바지락(아라고나이트)이 효율이 높으며, Mn은 4개의 매질 모두 50% 이하로 낮다. 중금속 제거 효율은 Mn을 제외하고 90% 이상이며 Fe > Cu > Cd > Zn > Mn 순이다.
AbstractList Calcite and aragonite are polymorphs with the chemical formula CaCO3. In this study, natural limestone and aragonite, as well as scallop and clam shells composed of calcite and aragonite, were used as the pH-raising neutralizing agents for model solutions containing various heavy metals such as Cd, Cu, Fe, Mn, and Zn to simulate acidic drainage. According to the experimental results, pH-raising effect is higher in the shell materials compared to natural ores for both the calcite and aragonite types. Natural calcite and scallop shells are found to be the most suitable media for Cd removal, while over 95% efficiency for Cu and Fe removal was observed in all four media. Zn removal efficiency is higher in aragonite and clam shells, while Mn removal efficiency is relatively low, to be below 50%, for all four media. Overall, the heavy metal removal efficiency, except for Mn, was over 90%, in the order of Fe > Cu > Cd > Zn > Mn. 탄산염광물인 방해석과 아라고나이트는 화학식 CaCO3인 동질이상광물이다. 본 연구에서 사용된 pH 상승용 중화제는 자연산 석회암과 아라고나이트, 방해석으로 구성된 가리비(scallop)와 아라고나이트로 구성된 바지락(clam) 패각이다. 실험에 사용한 인공산성배수의 중금속은 Cd, Cu, Fe, Mn, Zn이다. 실험결과에 의하면, pH상승 효과는 방해석과 아라고나트계열 모두 자연산 광석보다 패각이 더 높다. Cd 제거에 가장 적당한 매질은 자연산 방해석과 가리비(방해석)이며 Cu와 Fe는 4개 시료 모두 95% 이상의 높은 효율을 나타내었다. Zn은 아라고나이트와 바지락(아라고나이트)이 효율이 높으며, Mn은 4개의 매질 모두 50% 이하로 낮다. 중금속 제거 효율은 Mn을 제외하고 90% 이상이며 Fe > Cu > Cd > Zn > Mn 순이다.
탄산염광물인 방해석과 아라고나이트는 화학식 CaCO3인 동질이상광물이다. 본 연구에서 사용된 pH 상승용 중화제는 자연산 석회암과 아라고나이트, 방해석으로 구성된 가리비(scallop)와 아라고나이트로 구성된 바지락(clam) 패각이다. 실험에 사용한 인공산성배수의 중금속은 Cd, Cu, Fe, Mn, Zn이다. 실험결과에 의하면, pH상승 효과는 방해석과 아라고나트계열 모두 자연산 광석보다 패각이 더 높다. Cd 제거에 가장 적당한 매질은 자연산 방해석과 가리비(방해석)이며 Cu와 Fe는 4개 시료 모두 95% 이상의 높은 효율을 나타내었다. Zn은 아라고나이트와 바지락(아라고나이트)이 효율이 높으며, Mn은 4개의 매질 모두 50% 이하로 낮다. 중금속 제거 효율은 Mn을 제외하고 90% 이상이며 Fe > Cu > Cd > Zn > Mn 순이다. Calcite and aragonite are polymorphs with the chemical formula CaCO3. In this study, natural limestone and aragonite, as well as scallop and clam shells composed of calcite and aragonite, were used as the pH-raising neutralizing agents for model solutions containing various heavy metals such as Cd, Cu, Fe, Mn, and Zn to simulate acidic drainage. According to the experimental results, pH-raising effect is higher in the shell materials compared to natural ores for both the calcite and aragonite types. Natural calcite and scallop shells are found to be the most suitable media for Cd removal, while over 95% efficiency for Cu and Fe removal was observed in all four media. Zn removal efficiency is higher in aragonite and clam shells, while Mn removal efficiency is relatively low, to be below 50%, for all four media. Overall, the heavy metal removal efficiency, except for Mn, was over 90%, in the order of Fe > Cu >Cd > Zn > Mn. KCI Citation Count: 0
Author 송병철(Byeong Cheol Song)
김영훈(Young Hun Kim)
김정진(Jeong Jin Kim)
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DocumentTitleAlternate Evaluation of Heavy Metal Removal Efficiency in Artificial Acidic Drainage Using Calcite and Aragonite
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Issue 3
Keywords 가리비
scallop
아라고나이트
aragonite
heavy metal
바지락
calcite
clam
중금속
방해석
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Snippet Calcite and aragonite are polymorphs with the chemical formula CaCO3. In this study, natural limestone and aragonite, as well as scallop and clam shells...
탄산염광물인 방해석과 아라고나이트는 화학식 CaCO3인 동질이상광물이다. 본 연구에서 사용된 pH 상승용 중화제는 자연산 석회암과 아라고나이트, 방해석으로 구성된 가리비(scallop)와 아라고나이트로 구성된 바지락(clam) 패각이다. 실험에 사용한 인공산성배수의 중금속은 Cd,...
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TableOfContents 1. 서 론 2. 연구 방법 3. 연구 결과 및 토의 4. 결 론 감사의 글 References
Title 방해석과 아라고나이트를 이용한 인공산성배수의 중금속 제거 효율 평가
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