Strategic Materials and Recovery Technologies



  • Hower, J. C., & Groppo, J. G. (2021). Rare Earth-bearing particles in fly ash carbons: Examples from the combustion of eastern Kentucky coals. Energy Geoscience, 2(2), 90-98.
  • Hower, J. C., Groppo, J. G., Jewell, R. B., Wiseman, J. D., Duvallet, T. Y., Oberlink, A. E., Hopps, S. D., Morgan, T. D., Henke, K. R., Joshi, P., Preda, D. V., Gamliel, D. P., Beers, T., & Schrock, M. (2021). Distribution of rare earth elements in the pilot-scale processing of fly ashes derived from eastern Kentucky coals: Comparisons of the feed and processed ashes. Fuel, 295, 120562.
  • Hower, J. C., Groppo, J. G., Joshi, P., Preda, D. V., Gamliel, D. P., Mohler, D. T., Wiseman, J. D., Hopps, S. D., Morgan, T. D., Beers, T., & Schrock, M. (2020). Distribution of Lanthanides, Yttrium, and Scandium in the Pilot-Scale Beneficiation of Fly Ashes Derived from Eastern Kentucky Coals. Minerals, 10(2), 105.
  • Ji, B., Li, Q., Honaker, R., & Zhang, W. (2022). Acid leaching recovery and occurrence modes of rare earth elements (REEs) from natural kaolinites. Minerals Engineering, 175, 107278.
  • Li, Q., Ji, B., Honaker, R., Noble, A., & Zhang, W. (2022). Partitioning behavior and mechanisms of rare earth elements during precipitation in acid mine drainage. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 641, 128563.
  • Lin, P., Yang, X., Werner, J. M., & Honaker, R. Q. (2021). Application of Eh-pH Diagrams on Acid Leaching Systems for the Recovery of REEs from Bastnaesite, Monazite and Xenotime. Metals, 11(5), 734.
  • Nawab, A., Yang, X., & Honaker, R. (2022a). An acid baking approach to enhance heavy rare earth recovery from bituminous coal-based sources. Minerals Engineering, 184, 107610.
  • Nawab, A., Yang, X., & Honaker, R. (2022b). Parametric study and speciation analysis of rare earth precipitation using oxalic acid in a chloride solution system. Minerals Engineering, 176, 107352.
  • Podder, P., Zhang, Z., Honaker, R. Q., Free, M. L., & Sarswat, P. K. (2021). Evaluating and Enhancing Iron Removal via Filterable Iron Precipitates Formation during Coal-Waste Bioleaching. Eng, 2(4), 632-642.
  • Valian, A., Groppo, J. G., Eble, C. F., Hower, J. C., Honaker, R. Q., & Greb, S. F. (2021). Distribution of Rare Earth Elements in the Illinois Basin Coals. Mining, Metallurgy & Exploration, 38(4), 1645-1663.
  • Wilson, M. H., Shea, A., Groppo, J., Crofcheck, C., Quiroz, D., Quinn, J. C., & Crocker, M. (2021). Algae-Based Beneficial Re-use of Carbon Emissions Using a Novel Photobioreactor: a Techno-Economic and Life Cycle Analysis. BioEnergy Research, 14(1), 292-302.