Recovery method of rare earth elements and non rare earth elements from rare earth ore

文件类型：PDF文档
文件大小：429K
The present invention relates to a method of separating and recovering a rare earth element and a non rare earth element from a rare earth ore concentrate, and more specifically, to a method of separating and recovering a rare element and a non rare earth element from a rare earth ore concentrate, the method including : a step of sulfating a rare earth ore concentrate using a sulfuric acid; a step of water leaching a reaction product obtained by the sulfating; and a step of precipitating and recovering the rare earth element by adding a sodium sulfate after the water leaching.(S110) Step of water leaching a reaction product obtained by the sulfating(S120) Step of precipitating and recovering the rare earth element by adding a sodium sulfate after the water(S100) Step of sulfating a rare earth ore concentrate using sulfuric acid(BB) End(AA) StartCOPYRIGHT KIPO 2014