Table 3 Isothermal adsorption parameters of Cu(II) in BS and BS-HA systems.
From: Adsorption of copper(II) in biochar-humic acid–water system
Adsorbent | Langmuir | Freundlic | D-R | ||||||
|---|---|---|---|---|---|---|---|---|---|
qm (mg g− 1) | b (L mg− 1) | R2 | kF (mg(1-n) Ln g− 1) | n | R2 | k | E (kJ mol− 1) | R2 | |
BS | 22.50 | 0.001 | 0.919 | 0.118 | 1.264 | 0.879 | 0.008 | − 8.33 | 0.900 |
BS + HA | 24.39 | 1.051 | 0.882 | 9.290 | 4.726 | 0.990 | 0.002 | − 15.81 | 0.967 |
