June 12, 2024
  • Hyderabad-based National Geophysical Research Institute has found large deposits of 15 Rare Earth Elements (REE) in Andhra Pradesh’s Anantapur district.
  • REEs (aka rare earth oxides) are a group of 17 silvery-white soft heavy metals that occur together in periodic table.
  • Group consists of yttrium and 15 lanthanide elements (lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium).
  • REEs are all metals having many similar properties, and that often causes them to be found together in geologic deposits.
  • REEs are used in high end technology, defence applications, electronic devices like cell-phones, computers, electric vehicle etc. because of their luminescent and catalytic properties.

Related news

  • Scientists from Institute of Minerals and Materials Technology, Bhubaneswar, have estimated the quantity of REEs that can be recovered from Red Mud.
  • Red Mud is a toxic byproduct of aluminium extraction from bauxite ore using Bayer process.
  • Red Mud contains REEs.
  • There are two strategies to recover REEs from red mud:
    • extract only REEs or
    • extract all metals (such as iron, titanium, and sodium) including REEs.
  • Earlier an estimated 9-million tonne reserve of lithium, a crucial mineral for the manufacturing of electric vehicles and solar panels, had been discovered in Reasi district of J&K by the Geological Survey of India (GSI).

 

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