Table 6 Comparison of different adsorbents for the adsorption MB.

From: Zr-MOF-glutaraldehyde-Adn@Fe3O4 nanocomposite: as a new adsorbent for removal of methylene blue and heterogeneous nanocatalyst for the synthesis of tetrahydrobenzo[b]pyran derivatives

Adsorbent

qmax (mg/g)

Equilibrium time (min)

Recyclability

Ref

Cr-BTC/SA-A

10.06

120

5

47

Fe3O4@MIL-100(Fe)

49.41

120

5

48

OSP/Fe3O4

49.67

60

9

49

Fe3O4/activated montmorillonite

106.38

25

5

50

Zr-MOF-glutaraldehyde-Adn@Fe3O4

62.5

15

6

This study

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