Table 4 Comparison study of REEs/Dowex 50WX8 with other reported materials

Dowex 50WX8

50

1

15

Current work

Zeolitic imidazolate frameworks nanoparticles

430.4

7.0

7.0 h

[32]

Oxidized multi-walled carbon nanotubes

78.12

5.0

2.0 h

[33]

Silica/polyvinyl imidazole/H2PO4-core-shell NPs

150.0

4.0

0.5 h

[34]

Hybrid Lewis base ligands functionalized alumina-silica

125.4

4.0

3.0 h

[35]

Dy(III)

polyethylenimine–acrylamide/SiO2 hybrid hydrogel

50-100

2-7

6.0 h

[36]

Microcapsules containing dibenzoylmethane

70.85

6.0

60.0 h

[37]

D113 resin

292.7

6.0

--

[38]

Macroporous poly(vinylphosphoramidic acid) resin

101

4-5

--

[39]

Zr-modified mesoporous silica supported H4[PMo11VO40]

52.63

5.0

1.0 h

[40]

Polyacrylic acid grafted silica fume

251.20

1-6

1.0 h

[41]

Dowex 50WX8

30

1

15

Current work

Lanthanide-ion imprinted polymers (L-IIPs)

125.3

6.0

1.5 h

[42]

Pr(III)

Polyethylenimine sodium phosphonate resin (PEIPR.Na)

6.23

4.0

250 min

[43]

Fe3O4@TiO2@P204 nanoparticles

10.20

5.0

--

[44]

magnetic nanoparticles functionalized with a phosphonic group

17.6

4.0

1.0 h

[45]

silica gel modified with diglycol amic acid

12.72

1.0

--

[46]

Dowex 50WX8

60

1

15

Current work

Graphene Oxide Nanosheets

135.0

6.0

2.0 h

[47]

Y(III)

Graphene oxide nanosheets with cross-linked by high-gluten flour

32.84

7.5

2.0 h

[48]

porous three-dimensional graphene oxide-corn zein composites

14.2

--

3.33 h

[49]

carbon nanotubes reinforced silica composite

68.8

4.0

24.0 h

[50]

functionalized silica in the hybridization process with chitosan

159

4.0

24.0 h

[51]

Diglycolamic-acid modified chitosan sponges

40.7

0.5-7

12.0 h

[52]