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 in | 자원환경지질 Vol. 57; no. 3; pp. 319 - 327 |
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Main Authors | , , |
Format | Journal Article |
Language | Korean |
Published |
Korea Society Of Economic&Environmental Geology
30.06.2024
대한자원환경지질학회 |
Subjects | |
Online Access | Get full text |
ISSN | 1225-7281 2288-7962 |
DOI | 10.9719/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. |
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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) |
Author_xml | – sequence: 1 fullname: 송병철(Byeong Cheol Song) – sequence: 2 fullname: 김영훈(Young Hun Kim) – sequence: 3 fullname: 김정진(Jeong Jin Kim) |
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DOI | 10.9719/EEG.2024.57.3.319 |
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DocumentTitleAlternate | Evaluation of Heavy Metal Removal Efficiency in Artificial Acidic Drainage Using Calcite and Aragonite |
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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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