Adsorbent Type of adsorbent qm (mg/g) for REE(III) pH Reference
D152 Carboxyl acid-CER La: 486, Pr: 373, Nd: 453, Sm: 510, Gd: 391, Dy: 413, Lu: 401, Yb: 393, Other REE> 238 6.7 (Xiong et al., 2008)
D151 Carboxyl acid-CER Ce: 392 6.5 (Yao, 2010)
MnFe2O4 Inorganic adsorbent La: 785, Ce: 770 7 (Ghobadi et al., 2018)
MnFe2O4-GO Inorganic adsorbent/ GO based La: 1001, Ce: 982 7 (Ghobadi et al., 2018)
TMO-nanowire Inorganic adsorbent La: 1111, Ce: 1000 5 (Sarmadi et al., 2021)
MnF2O4-Al2O3 Inorganic adsorbent La: 885, Ce: 879 7 (Liu et al., 2021)
MnFe2O4@SiO2-CS Composite adsorbent La: 1030, Ce: 1020 7 (Liu et al., 2021)
SH-MCM-41 OMS based La: 560.56, Gd: 467.60, Yb: 546.68 5, 6 (Gd) (Li et al., 2019)
APHMSN Functionalized mesoporous silica Gd: 387.3 5 (Yin et al., 2020)
Fe3O4/MnO2/rGO GO based La: 1016, Ce: 981 7 (Zhanmeng Liu et al., 2020)
GO@TiP-Sponge GO based Dy: 576.17 Not clear (Peng et al., 2020)
CNT/GO hybrid hydrosol CNT-GO based Gd: 534.76 5.9 (Guo et al., 2018)
ZIF-8 MOF Dy: 430.4 7 (Abdel-Magied et al., 2019)
ZIF-8 MOF La: 385 Not clear (Jiang et al., 2016)
HKUST MOF Ce: 353 6 (Zhao et al., 2019)
ZnGA MOF Y: 377.02 6 (Mahmoud et al., 2019)
Mg-Fe-LDH-Cyanex272 Metal based La: 480,8 1 (Gasser & Aly, 2013)
CMC-g-PAC hydrogel Composite adsorbent La: 381.72 5.58 (Zhu et al., 2016)