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http://dx.doi.org/10.7844/kirr.2017.26.5.12

Overview and Future Concerns for Red Mud Recycling Technology and Industry  

Hong, Hyun-Seon (Sungshin Women's University, Dept. of Environment & Energy Engineering)
Kim, Ye-lin (Sungshin Women's University, Dept. of Environment & Energy Engineering)
Cho, Hyun-Jung (Sungshin Women's University, Dept. of Environment & Energy Engineering)
Kim, Dae-Weon (Institute for Advanced Engineering)
Kim, Dae-woong (KC corporation)
Kim, Hyeong-Jun (Korea Institute of Ceramic Engineering and Technology)
Kim, Yong (PISCO Co.)
Kim, Sung-pyo (Korea University, Dept. of Environmental Engineering)
Publication Information
Resources Recycling / v.26, no.5, 2017 , pp. 12-21 More about this Journal
Abstract
Red mud generated in the alumina manufacturing process contains various valuable resources, but it is not comprehensively recycled yet causing severe environmental problems. In Korea, red mud is producing about 200,000 tons annually and most of them are landfilled or disposed. Red mud's recycling technology is also being developed in many countries, but red mud's recycling technologies are still lacking compared to the production rate. In this study, we analyzed the characteristics and the amount of red mud, and the current status and technology development trend. Red mud has shown that recycling studies are being carried out in fields such as construction, recycling, metal recovery, adsorbent, and pollution stabilization. In particular, technologies for recovering rare earths have been developed as worldwide because of their high economic value. The data analyzed in this study will be used as basic data for the further development of technologies in the future.
Keywords
Bauxite; Waste Red mud; Valuable Material; Recycling;
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