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  Extraction of Lanthanides

Extraction of Lanthanides from Monazite sand:

The technique used for extraction of lanthanides from monazite sand comprises of the steps that have been illustrated in flow sheet.

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Flow sheet: Extraction of lanthanide from monazite sand


Individual lanthanides are estranged by an appropriate physical technique. The anhydrous fluorides and chlorides are heated beneath argon atmosphere in the presence of calcium at 1270 K to obtain the individual metal. The pure metal is acquired by heating the trifluorides of lanthanides in the existence of calcium and lithium.

 

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