Table 2 Composition optimization of binary and ternary nanocomposites toward chromium removal.

From: Visible-light Cr(VI) reduction on a CdS@MOF@C3N4 heterostructure via cascade S-scheme mechanism: a comprehensive study

Catalyst

Weight ratio

Cr(VI) adsorption (%)

Cr(VI) reduction (%)

Cr(VI) removal (%)

(1) CdS

-

22.20

35.50

57.70

(2) Al-Fu-MOF

-

9.50

1.50

11

(3) g-C3N4

-

6.50

8.49

14.99

(4) MOF@C3N4

1:1

11

2.02

13.02

(5) MOF@C3N4

1:2

15.20

6.19

21.39

(6) MOF@C3N4

1:3

6

19.39

25.39

(7) CdS@MOF@C3N4

0.5:1:3

9.5

52.99

62.49

(8) CdS@MOF@C3N4

1:1:3

14.5

62.49

76.99

(9) CdS@MOF@C3N4

2:1:3

10

76.79

86.79

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