Recovery of rare earth elements from coal fly ash leachates by supported liquid membranes

Helen Hsu-Kim, Ryan Smith, Ross Taggart, Jack King, Mark Wiesner, James Hower

Research output: Contribution to conferencePaperpeer-review

Abstract

• Extraction from coal ash: Produces a highly heterogeneous liquid feedstock (impurities of Al, Si, Fe, Ca) • REE separations via supported liquid membranes: o 103- to 105-fold selectivity for REEs o preference for heavy REEs • Product purity depends on Fe, Al, Si, Ca in the feedstock.

Original languageEnglish
StatePublished - 2019
Event36th Annual International Pittsburgh Coal Conference, PCC 2019 - Pittsburgh, United States
Duration: Sep 3 2019Sep 6 2019

Conference

Conference36th Annual International Pittsburgh Coal Conference, PCC 2019
Country/TerritoryUnited States
CityPittsburgh
Period9/3/199/6/19

Bibliographical note

Publisher Copyright:
© 2019 36th Annual International Pittsburgh Coal Conference: Clean Coal-Based Energy/Fuels and the Environment, PCC 2019. All rights reserved.

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geotechnical Engineering and Engineering Geology

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