Adsorption of Arsenite by Six Submerged Plants from Nansi Lake, China

Table 2

Kinetic parameters for pseudo-first-order, pseudo-second-order, and intraparticle diffusion model models for As (III) adsorption at 13°C.

Plants	mg/kg	Pseudo-first-order model			Pseudo-second-order model			Intraparticle diffusion model
		mg/kg	1/h	mg/kg	kg/(h·mg)	mg/(kg·h^1/2)	mg/kg
		Mimulicalyx rosulatus	8.54	4.00	0.42	0.89	8.80	0.20	0.10	0.17	3.83	0.53
Potamogeton maackianus	9.85	7.15	0.56	0.99	10.17	0.16	1.00	0.20	3.96	0.65
Hydrilla	9.68	6.34	0.57	0.98	9.96	0.18	1.00	0.19	4.10	0.64
Watermifoil	5.78	2.72	0.48	0.80	6.07	0.075	0.99	0.13	1.95	0.58
Pteris vittata	24.50	9.15	0.46	0.67	25.00	0.098	1.00	0.44	11.99	0.57
Potamogeton crispus	23.49	17.95	0.15	0.92	25.12	0.017	0.98	0.50	5.23	0.94