Table 8 Comparison of Qm of Cr6+ and other pollutants by different N-doped activated carbon.

From: Formation of self-nitrogen-doping activated carbon from Fish/sawdust/ZnCl2 by hydrothermal and pyrolysis for toxic chromium adsorption from wastewater

Materials

Pollutant

Qm (mg g−1)

Ref

NDAC600

Cr6+

769.23

This work

Sawdust N-doped AC

Cr6+

14.97

61

N-doped multi walled carbon nanotubes

Cr6+

35.26

62

Chitosan-based N-doped AC

Cr6+

20.04

63

N-doped magnetic porous carbon

Cr6+

16

64

N-GAC 400 °C

Cr6+

15.15

29

N-doped Medulla tetrapanacis biochar

Congo red

714.29

65

Phragmites Australis N-doped Biochars

Acid red 18

134.17

66

Leather solid wastes N-doped activated carbons

Phenols

282

67

Leather solid wastes N-doped activated carbons

Phenols

73

67

Alginate/chitosan film M4

Congo red

555.55

3

Alginate/chitosan film M4

Coralene dark Red2B

434.78

3

Alginate/chitosan film M5

Congo red

625

3

Alginate/chitosan film M5

Coralene dark Red2B

370.37

3

Carbonized peanut shell

Methylene blue

5.34

68

Carbonized chestnut shell

Methylene blue

5.13

69

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