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
James C. Hower,John Groppo,Robert B. Jewell,John D.H. Wiseman,Tristana Y. Duvallet,Anne E. Oberlink,Shelley D. Hopps,Tonya Morgan,Kevin R. Henke,Prakash Joshi,Dorin V. Preda,David P. Gamliel,Todd Beers,Michael Schrock