Effect of pyrolytic temperature on the adsorption of Pb(II) from synthetic wastewater onto bamboo chopstick biochar: a conventional vs. microwave-assisted pyrolysis approach

Table 6 PFO and PSO kinetic parameters for Pb(II) adsorption from synthetic wastewater solution using selected biochar

Adsorbent	q_e	Pseudo First Order (PFO)				Pseudo Second Order (PSO)
Adsorbent	mg g⁻¹	q_t (mg g⁻¹)	RSME	k₁ (min⁻¹)	R²	q_t, (mg g⁻¹)	RSME	k₂ (g mg⁻¹ min⁻¹)	R²
BC 200 W	19	16	3.03	0.01	0.78	18	2.32	0.00	0.87
BC 450 W	25	25	0.01	0.06	1.00	25	0.14	0.02	1.00
BC 500 °C	21	18	2.21	0.01	0.91	20	1.47	0.00	0.96
BC 700 °C	25	25	0.05	0.09	1.00	25	0.03	0.12	1.00

ISSN: 2468-2039