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ABSTRACT
In order to effectively manage the sludge in the settling ponds, it is necessary to understand the physical properties of the sludge according to the depth in the pond. A new sludge sampling device and method was proposed in this study. Sludge was sampled at three depths in four facilities in South Korea, and the water content, particle size, density, composition, and viscosity of the sediment according to the depth were measured and evaluated. These results can be used to predict the shape of sediment and the lifetime of the settling pond, and to plan and effectively implement sediment removal.
Acknowledgement
This research was supported by the Basic Research Project of the Korea Institute of Geoscience and Mineral Resources (KIGAM) and Korea Mine Rehabilitation and Mineral Resources Corporation (KOMIR) funded by the Ministry of Science, ICT of Korea and the Ministry of Trade, Industry, and Energy.
Disclosure statement
No potential conflict of interest was reported by the authors.