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Materials 2014, 7(10), 7157-7172; doi:10.3390/ma7107157

Potential Soil Contamination in Areas Where Ferronickel Slag Is Used for Reclamation Work

Department of Civil Engineering, Chosun University, Gwangju 501-759, Korea
Author to whom correspondence should be addressed.
Received: 5 June 2014 / Revised: 4 October 2014 / Accepted: 7 October 2014 / Published: 23 October 2014
(This article belongs to the Special Issue Recycled Materials)
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This study aims to analyze contamination with the use of soil reclaimed with ferronickel slag (FNS). In order to investigate any contamination due to FNS disposal, soils were collected from three sites. The contamination analysis was done on these samples through a series of laboratory tests. Furthermore, laboratory tests simulating field conditions were performed in a soil chamber. In the lab test, three leaching agents, namely fresh water, acidic water and seawater, were used. The soil samples used were sand and silt with a relative density of 40% and a compaction ratio of 90%, respectively. The pH of the effluent discharged from the experimental soil chamber was also analyzed. After leaching, soil samples were subjected to analysis. The results showed that pH was higher in the silt than in the sand. The results of the laboratory tests exhibited that leaching of hazardous elements from FNS is limited, so that it can be used as a substitute for natural aggregate in the cement industry or construction applications. View Full-Text
Keywords: FNS (ferronickel slag); engineering properties; soil contamination analysis; natural aggregate FNS (ferronickel slag); engineering properties; soil contamination analysis; natural aggregate

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Kang, S.S.; Park, K.; Kim, D. Potential Soil Contamination in Areas Where Ferronickel Slag Is Used for Reclamation Work. Materials 2014, 7, 7157-7172.

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