Due to the Ho_2O_3 content in the raffinate of the Gd ~ Dy / Ho ~ LuY process less than 0.03 % , the separation GdTbDy / HoY of the GdTbDy ( HoY ) concentrate from original process is leaved out .
由于Gd~Dy/Ho~LuY分组的萃余液GdTbDy含Ho2O3小于0.03%,省去原工艺的GdTbDy/HoY分离;