India, July 28 -- The Government of India issued the following news release:

The coal-derived fly ash and bottom ash samples collected from Singareni Thermal Power Plant (STPP) and overburden clay samples have been analyzed for trace elements and Rare Earth Elements (REE) and results show that the total REE in fly ash and clays is about 400 ppm.

Further, overburden, lignite and fly ash samples, collected from mines and thermal power plants of NLC India Limited at Neyveli, were also analyzed for Rare Earth Element (REE) and trace elements. It was found that fly ash from thermal power plant contains a concentration of REE (2100 mg/kg) comprising of both lighter & heavier REE with Yttrium content of 300 mg/kg.

The Government has approved es...