Table 5 The average of removal efficiency results of a certain factor in the kth level (,, , ) and the average of total removal efficiency ().

From: Self-assembly modified-mushroom nanocomposite for rapid removal of hexavalent chromium from aqueous solution with bubbling fluidized bed

Level

1

15.019

23.168

26.465

40.133

28.611

2

27.373

27.760

33.528

22.458

3

43.442

34.907

25.841

23.243