참고문헌
- Dushyantha, N., Batapola, N., Ilankoon, I. M. S. K., et al., 2020 : The story of rare earth elements(REEs): Occurrences, global distribution, genesis, geology, mineralogy and global production, Ore Geology Reviews, 122, pp. 1-17.
- Lee, M. S., and Jeon, H. S., 2010 : Extractive metallurgy and separation technology of rare earth ores, J. of Korean Inst. of Resources Recycling, 19(6), pp.27-35.
- Zhou, B., Li, Z., Chen, C., 2017 : Global potential of rare earth resources and rare earth demand from clean technologies, minerals, 7(11), 203. https://doi.org/10.3390/min7110203
- Zhang, W., Yang, X., Honaker, R. Q., 2018 : Association characteristics study and preliminary recovery investigation of rare earth elements from fire clay seam coal middlings, Fuel, 215, pp.551-560. https://doi.org/10.1016/j.fuel.2017.11.075
- Honaker, R. Q., Zhang, W., Werner, J., 2019 : Acid leaching of rare earth elements from coal and coal ash: implications for using fluidized bed combustion to assist in the recovery of critical materials, Energy and Fuel, 33, pp.5971-5980. https://doi.org/10.1021/acs.energyfuels.9b00295
- Kim, Y. D., and Ko, C. S., 2010 : REE resources and it's utilization, Econ. Envron. Geol., 43(5), pp.505-516.
- Seredin, V. V., and Dai, S., 2012 : Coal deposits as potential alternative sources for lanthanides and yttrium, Int. J. Coal. Geol., 94, pp.67-93. https://doi.org/10.1016/j.coal.2011.11.001
- Kim, Y. J., 2013 : Strategy of critical materials management in the world, J. of Korean Inst. of Resources Recycling, 22(5), pp. 3-12. https://doi.org/10.7844/kirr.2013.22.5.3
- Franus, W., Wiatros-Motyka, M. M., and Wdowin, M., 2015 : Coal fly as a resource for rare earth elements, Environ Sci Pollut Res, 22, pp.9464-9474. https://doi.org/10.1007/s11356-015-4111-9
- Dai, S., Graham, I. T., and Ward, C. R., 2016 : A review of anomalous rare earth elements and yttrium in coal, Int. J. Coal. Geol., 159, pp.82-95. https://doi.org/10.1016/j.coal.2016.04.005
- Taggart, R. K., Hower, J. C., Dwyer, G. S., et al., 2016 : Trends in the rare earth element content of U.S.-based coal combustion fly ashes, Environ. Sci, Technol, 50, pp.5919- 5926. https://doi.org/10.1021/acs.est.6b00085
- Folgueras, M. B., Alonso, M., and Fernandez, F. J., 2017 : Coal and sewage sludge ashes as sources of rare earth elements, Fuel, 192, pp.128-139. https://doi.org/10.1016/j.fuel.2016.12.019
- Blissett, R. S., Smalley, N., and Rowson, N. A., 2014 : An investigation into six coal fly ashes from the United Kingdom and poland to evaluate rare element content, Fuel, 119, pp.236-239. https://doi.org/10.1016/j.fuel.2013.11.053
- Seredin, V. V., 2010 : A new method for primary evaluation of the outlook for rare earth element ores, Geol. Ore Deposits, 52(5), pp.428-433. https://doi.org/10.1134/S1075701510050077
- Lin, R., Howard, B. H., Roth, E. A., 2017 : Enrichment of rare earth elements from coal and coal by-products by physical separations, Fuel, 200, pp.506-520. https://doi.org/10.1016/j.fuel.2017.03.096
- Park, S. U., Kim, J. K., Seo, Y. S., et al., 2015 : Evaluation of some rare metals and rare earth metals contained in coal ash of coal-fired power plants in Korea, J. of Korean Inst. of Resources Recycling, 24(4), pp.67-75. https://doi.org/10.7844/kirr.2015.24.4.67
- Hower, J., Groppo, J., Joshi, P., et al., 2013 : Location of cerium in coal-combustion fly ashes: implications for recovery of lanthanide, Coal combustion and gasfication products, 3, pp.73-78.
- Dai, S., Zhao, L., Hower, J. C., et al., 2014 : Petrology, mineralogy, and chemistry of size-fractioned fly ash from the Jungar power plant, inner Mongolia, China, with emphasis in the distribution of rare earth elements, Energy and Fuel, 28, pp.1502-1514. https://doi.org/10.1021/ef402184t
- Pan, J., Zhou, C., Tang, M., et al., 2019 : Study on the modes occurrence of rare earth elements in coal fly ash by statics and and a sequential chemical extraction procedure, Fuel, 237, pp.555-565. https://doi.org/10.1016/j.fuel.2018.09.139
- Perämäki, S. E., Tiihonen, A. J., and Väisänen, A. O., 2019 : Occurence and recovery potential of rare earth elements in finish peat and biomass combustion fly ash, Journal of geochemical exploration, 201, pp.71-78. https://doi.org/10.1016/j.gexplo.2019.03.002
- Jang, J. K., Ji, S. W., and Ahn, J. W., 2017 : Utilization of circulating fluidized bed combustion ash and related specifications for mine backfills, J. of Korean Inst. of Resources Recycling, 26(2), pp.71-79. https://doi.org/10.7844/kirr.2017.26.2.71
- Zeng, T., Helble, J. J., Bool, L. E., et al., 2009 : Iron transformations during combustion of Pittsburgh no. 8 coal, Fuel, 88, pp.566-572. https://doi.org/10.1016/j.fuel.2008.11.007
- Moore, F., and Esmaeili, Ali., 2012 : Mineralogy and geochemistry of the coals from the karmodz and kiasar coal mines, International journal of coal geology, 96-97, pp.9-21. https://doi.org/10.1016/j.coal.2012.02.012
- Yang, J., Zhao, Y., Zyryanov, V., et al., 2014 : Physicalchemical characteristics and elements enrichment of magnetospheres from coal fly ashes, Fuel, 135, pp.15-26. https://doi.org/10.1016/j.fuel.2014.06.033
- Kolker, A., Scott, C., Hower, J. C., et al., 2017 : Distribution of rare earth elements in coal combustion fly ash, determined by SHRIMP-RG ion microprobe, International journal of coal geology, 184, pp.1-10. https://doi.org/10.1016/j.coal.2017.10.002
- Bock, E., 1961 : On the solubility of anhydrous calcium sulphate and of gypsum in concentrated solutions of sodium chloride at 25 ℃, 30 ℃, 40 ℃, and 50 ℃, Can. J. Chem., 39, pp.1746-1751. https://doi.org/10.1139/v61-228
- Salmimies, R., Mannila M., Kallas, J., et al., 2011 : Acidic dissolution of magnetite: experimental study on the effects of acidic concentration and temperature, Clay and clay minerals, 59, pp.136-146. https://doi.org/10.1346/CCMN.2011.0590203