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http://dx.doi.org/10.7844/kirr.2014.23.4.69

Survey on the Recycling of Waste Slag Generated by Smelting Reduction of Deep-Sea Manganese Nodules  

Park, Hyungkyu (Korea Institute of Geoscience and Mineral Resources)
Nam, Chulwoo (Korea Institute of Geoscience and Mineral Resources)
Kim, Sungdon (Korea Institute of Geoscience and Mineral Resources)
Publication Information
Resources Recycling / v.23, no.4, 2014 , pp. 69-74 More about this Journal
Abstract
Slags generated in the smelting reduction of deep sea manganese nodule could be utilized as an additional materials for making Fe-Si-Mn alloys by mixing with cokes and re-smelting at an arc furnace. In this re-melting process slag is also generated, and the secondary slag is treated as waste. In this survey, recycling of the waste slag of Mn nodule was studied. It is tried to utilize the waste slag as ceramic materials or construction materials. However, it is difficult to use the waste slag directly as an additional material to ceramics such as portland cement or castable refractory material due to the much difference of chemical compositions. As an altercation road constructing material is considered, and toxicity on the soil of the waste slag was tested according to Korean Standard for testing permissible amount of toxic substances. The test result was satisfied with the requirements on the standard. So, it should be suggested that the waste slag of the Mn nodule could be utilized as constructing materials such as road filler or base materials.
Keywords
Mn nodule; waste slag; recycling; road constructing materials; test for toxicity;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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