Neutralization of Pyrophyllite Mine Wastes by the Lime Cake By-Product
2005
Yoo, K.Y. (Kangwon National University, Chuncheon, Republic of Korea) | Cheong, Y.W. (Korea Institute of Geoscience and Mineral Resources(KIGAM), Daejeon, Republic of Korea) | Ok, Y.S. (Kangwon National University, Chuncheon, Republic of Korea) | Yang, J.E. (Kangwon National University, Chuncheon, Republic of Korea), E-mail: [email protected]
Numerous abandoned or closed mines are present in the steep mountain valleys in Korea due to the depression of the mining industry since the late 1980s. From the mines, enormous amounts of wastes were dumped on the slopes causing sedimentation and acid mine drainage to be discharged directly into streams causing detrimental effects on surrounding environment. Objective of this research was to evaluate the feasibility of the lime cake by-product from the soda ash production (Solvay process) to neutralize the pyrophyllite mine wastes, which have discharged the acid drainage to soil and stream in the watershed.
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