Berylline beneficiation method

First, the hand selection method
The hand selection is a sorting method for manually selecting the beryl concentrate based on the difference in appearance characteristics (color, gloss, crystal form) between the beryl

Rare earth production

With the continuous development of rare earths in various fields, the demand for rare earths in the world continues to increase. According to the US Bureau of Mines, the annual demand for rare earths (by REO) in the United States was 19,000 tons in 1983: the annual demand for rare earths (b