Dissolution and precipitation processes in the secondary separation of rare earths

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

Aqueous stability diagrams (25°C) are presented for the systems M-H2O and M-Oxalate-H2O where M=Sm, Nd, Co, and Fe. With the aid of these diagrams (i.e., Eh-pH and log[Metal]-log[Oxalate]), the solution-chemical constraints on metal dissolution and precipitation are identified. By comparing the corresponding stability diagrams, conceptual flowsheets are developed for metal recovery from Sm-Co and Nd-Fe-B magnet scrap.

Original languageEnglish (US)
Title of host publicationRare Earths Science, Technology
PublisherMinerals, Metals & Materials Soc (TMS)
Pages35-45
Number of pages11
StatePublished - 1997
EventProceedings of the 1997 TMS Annual Meeting - Orlando, FL, USA
Duration: Feb 9 1997Feb 13 1997

Other

OtherProceedings of the 1997 TMS Annual Meeting
CityOrlando, FL, USA
Period2/9/972/13/97

All Science Journal Classification (ASJC) codes

  • Geology
  • Metals and Alloys

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    Osseo-Asare, K. A. (1997). Dissolution and precipitation processes in the secondary separation of rare earths. In Rare Earths Science, Technology (pp. 35-45). Minerals, Metals & Materials Soc (TMS).