Mechanochemical decomposition of monazite to assist the extraction of rare earth elements

@inproceedings{Kim2009MechanochemicalDO,
  title={Mechanochemical decomposition of monazite to assist the extraction of rare earth elements},
  author={Wantae Kim and In-kook Bae and Soo-Chun Chae and Hee-Young Shin},
  year={2009}
}
Mechanochemical decomposition by milling a mixture of monazite and sodium hydroxide powder and subsequent leaching by sulfuric acid for the extraction of rare earth elements at room temperature has been investigated. The milling of the mixture allows the mechanochemical formation of rare earth hydroxides and sodium phosphate as milling progresses. Nearly all the monazite is decomposed within 120 min under the present milling conditions. A 0.05N sulfuric acid solution enables us to improve the… CONTINUE READING

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