Extraction rate of REEs % | La | Ce | Y | |
Unmilled | 59.92 | 57.93 | 54.61 | |
Milled | 30 min | 61.69 | 66.91 | 83.74 |
60 min | 75.43 | 70.32 | 88.30 | |
90 min | 70.52 | 73.04 | 79.31 |