fig6
![Alkali pretreatment effects on acid leaching recovery of rare earth elements from coal waste of the Western Kentucky No. 13 and Fire Clay seams](https://image.oaes.cc/020683d7-f854-43cd-b83e-bde768784680/4853.fig.6.jpg)
Figure 6. (A) XRD pattern of the florencite and (B) elemental composition and TREE/P of the raw and alkali-treated florencite. XRD: X-ray diffraction; TREE/P: total REE to P content.
Figure 6. (A) XRD pattern of the florencite and (B) elemental composition and TREE/P of the raw and alkali-treated florencite. XRD: X-ray diffraction; TREE/P: total REE to P content.
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