Remediation Technologies and Characteristics of Contaminated Soil in the
Vicinity of Sang-Dong Mine

Jung, Moon Young; Kim, Sang Hyo; An, Yong Hyeon; Lee, Young Jae; Lee, Choong Hyun; Kim, Jong Won; Jeon, Cheul Soo

doi:10.12972/ksmer.2015.52.1.031

Cited by 3 publications

(3 citation statements)

References 5 publications

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“…Ahn et al [18] also evaluated the speciation of F in the soil using the sequential extraction method and reported that the residual F fraction increased from 80.5% before soil washing to 98.9% after soil washing. Considering that soil washing removes contaminants by extracting those adsorbed to the surface of soil particles using a washing reagent [25][26][27], the removal efficiency may decrease considerably if the residual fraction (i.e., highly chemical-resistant forms) of F is as high as that reported by Ahn et al [18]. Electrokinetic remediation removes contaminants on the soil surface by detaching them through an electrolysis reaction that occurs near an electrode [20,[22][23][24].…”

Section: Introductionmentioning

confidence: 99%

“…It relies on the phenomenon of minerals with hydrophobic surface properties (owing to natural characteristics or added reagents) becoming more buoyant when air bubbles adhere to them [28]. The froth-flotation separation methods have been used for several decades in the field of mineral beneficiation, but the literature used for soil remediation (heavy metals, hydrophobic organic compounds, and crude oil-contaminated soils) has been reported since 2000 [25,26,29,30]. Nevertheless, to our knowledge, there is no previous research that has evaluated the feasibility and optimization of the froth-flotation separation method to remediate soil enriched and/or contaminated with F. This study aimed to evaluate the applicability of the froth-flotation separation method to soils with a high F concentration caused by the weathering of Fcontaining mica minerals and to determine the optimal conditions of processes to satisfy the Korean worrisome level of soil contamination (400 mg/kg) within a relatively short remediation period.…”

Section: Introductionmentioning

confidence: 99%

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Froth-Flotation Separation as an Alternative for the Treatment of Soil Enriched with Fluorine Derived from Mica

Cho

Jung

Lee³

et al. 2022

IJERPH

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Fluorine (F) enrichment originating from natural sources is difficult to remove using chemical washing methods due to the large chemical-resistant residual fraction. This study evaluates the feasibility of using a froth-flotation separation method to remediate soil with a high F concentration caused by mica weathering, and it investigates the optimal conditions for this process, including pH of the slurry, collector dosage, and sample mechanical preparation strategy. The established optimum conditions are pH 3.5, 300 mg/kg collector dosage (tallow amine acetate), which can effectively separate quartz and mica, and a sieving-and-milling strategy that involves discarding particles of size < 0.05 mm, milling those in the range of 0.5–2.0 mm (until < approx. 0.3 mm), and mixing particles with sizes in the range of 0.05–0.5 mm. The target contamination level of 400 mg/kg for the test soil was not met after the first flotation separation process. However, after milling the residue of the first process and subjecting it to a second flotation separation process, the required contamination level was achieved. Consequently, the proposed froth-flotation separation process can be used as a successful alternative technique to remediate F-enriched soils from natural origin that have highly chemical-resistant forms.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Froth-Flotation Separation as an Alternative for the Treatment of Soil Enriched with Fluorine Derived from Mica

Cho

Jung

Lee³

et al. 2022

IJERPH

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“…Geol., 55(6), 717-726, 2022 http://dx.doi.org/10. 9719/EEG.2022.55.6.717 폐광산 인근지역에서 중금속, 비소, 안티모니의 지구화학적 오염도 평가 및 분산 특성 조사 (Jung et al, 2015). 토양오염은 크게 자 연적 오염과 인위적 오염으로 나눌 수 있으며, 자연적 오 염은 금속 함량이 높은 모암이 자연적으로 풍화되어 토 양을 형성하는 과정에서 발생한다 (Hwang et al, 2017).…”

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Geochemical Contamination Assessment and Distribution Property Investigation of Heavy Metals, Arsenic, and Antimony Vicinity of Abandoned Mine

Kim

2022

Econ. Environ. Geol.

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This study was conducted to assess the geochemical contamination degree of As, Cd, Cu, Pb, Sb, and Zn in the soil and water samples from an abandoned gold mine. Enrichment Factor (EF), Geoaccumulation Index (Igeo), and Pollution Load Index (PLI) were carried out to assess the geochemical contamination degree of the soil samples. Variations of sulfate and heavy metals concentration in water samples were determined to identify the geochemical distribution with respect to the distance from the mine tailing dam. Geochemical pollution indices indicated significant contaminated with As, Cd, Pb, and Zn in the soil samples that areas close to the mine tailing dam, while, Sb showed similar indices in all soil samples. These results indicated that the As, Cd, Pb, and Zn dispersion has occurred via anthropogenic sources, such as mining activities. In terms of water samples, anomalies in the concentrations of As, Cd, Zn, and SO 4 2was determined at specific area, in addition, the concentrations of the elements gradually decreased with distance. This result implies the heavy metals distribution in water has carried out by the weathering of sulfide minerals in the mine tailing and soil. The study area has been conducted the remediation of contaminated soil in the past, however, the geochemical dispersion of heavy metals was supposed to be occurred from the potential contamination source. Therefore, continuous monitoring of the soil and water is necessary after the completion of remediation.

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Effect of Origin on Chemical Extractability of Fluorine in Soil and Its Consequence on Human Health Risk

Chae,

Park,

Yoon

et al. 2024

KSCE J Civ Eng

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Remediation Technologies and Characteristics of Contaminated Soil in the Vicinity of Sang-Dong Mine

Cited by 3 publications

References 5 publications

Froth-Flotation Separation as an Alternative for the Treatment of Soil Enriched with Fluorine Derived from Mica

Froth-Flotation Separation as an Alternative for the Treatment of Soil Enriched with Fluorine Derived from Mica

Geochemical Contamination Assessment and Distribution Property Investigation of Heavy Metals, Arsenic, and Antimony Vicinity of Abandoned Mine

Effect of Origin on Chemical Extractability of Fluorine in Soil and Its Consequence on Human Health Risk

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