Green Approach for Rare Earth Element (REE) Recovery from Coal Fly Ash Liu, Pan ; Zhao, Simin ; Xie, Nan ; Yang, Lufeng ; Wang, Qian ; Wen, Yinghao ; Chen, Hailong ; Tang, Yuanzhi Abstract Publication: Environmental Science and Technology Pub Date: April 2023 DOI: 10.1021/acs.est.2c09273 Bibcode: 2023EnST...57.5414L