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http://dx.doi.org/10.9719/EEG.2021.54.5.561

Evaluation for Predicting Acid-forming Potential of Domestic Forest Aggregate Samples  

Yim, Gil-Jae (Geologic Environment Division, Korea Institute of Geoscience and Mineral Resources)
Jang, Jeong-Yun (Geologic Environment Division, Korea Institute of Geoscience and Mineral Resources)
Cho, Dong-Wan (Geologic Environment Division, Korea Institute of Geoscience and Mineral Resources)
Ji, Sangwoo (Geologic Environment Division, Korea Institute of Geoscience and Mineral Resources)
Cheong, Young-Wook (Geologic Environment Division, Korea Institute of Geoscience and Mineral Resources)
Hong, Sei-Sun (Geology Division, Korea Institute of Geoscience and Mineral Resources)
Lee, Jin-Young (Geology Division, Korea Institute of Geoscience and Mineral Resources)
Publication Information
Economic and Environmental Geology / v.54, no.5, 2021 , pp. 561-572 More about this Journal
Abstract
Aggregate collection is taking place in many areas in Korea, resulting in large cut slopes or large amounts of cut rocks. If the development site for such aggregate collection is a stratum accompanied by sulfide minerals, Acid Rock Drainage (ARD) may occur, which may cause environmental pollution in the development site and surrounding areas. As a result of the study on forest aggregate samples, most of the samples were classified as acid-forming potential samples, and among them, some samples from Gwangju, Goyang, and Sokcho were classified as potential acid-generating samples. This can be expected to affect the quality of aggregates when a large amount of aggregate is used in the future. Therefore, it is judged that these forest aggregates need to be managed when they are used. By predicting the occurrence of ARD through the acid-generating ability test, it is expected that economic losses that may occur in the future can be reduced, and it is judged that the problem of surrounding environmental pollution can be further alleviated.
Keywords
forest aggregate; acid rock drainage; potentially acid forming(PAF); non-acid forming(NAF); sulfide mineral;
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