英和和英

発音

• 韻: -eɪʃən

名詞

beneficiation (countable and uncountable, plural beneficiations)

1. The reduction in size of particles of ore (or similar physical processing) before further processing to recover the metal.
   • 1968, National Research Council (U.S.). Materials Advisory Board. Committee on Technical Aspects of Critical and Strategic Materials, Trends in Usage of Beryllium and Beryllium Oxide, page 2:

     The beryl is cobbed out by hand, since no method for successful beneficiation has been developed and applied.

   • 2012, J.P. Bennett, K.-S. Kwong, “Industrial Applications for Spent Refractory Materials”, in S. K. Sundaram, Dane R. Spearing, John D. Vienna, editor, Environmental Issues and Waste Management Technologies in the Ceramic and Nuclear Industries VIII, page 5:

     Beneficiation of contaminated material makes up a high portion of refractory recycling costs, underscoring the importance of keeping the material clean on tearout.