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Table 5 Dimensionless constant separation factor (RL) value at different initial concentration

From: Adsorptive removal of malachite green dye from aqueous solution onto activated carbon of Catha edulis stem as a low cost bio-adsorbent

Adsorbent

RL values

Concentration (mg/L)

10

20

30

40

50

Activated carbon of khat (Catha edulis)

0.089

0.047

0.032

0.024

0.019