Table 3. Pseudo-Second Order (PSO) Kinetic Parameters.

	WWPAC		AWPAC		PAC-1050
parameter	DI	NOM	DI	NOM	DI	NOM
PFOA
qe, 4 h (mg/g)	52.91 ± 0.16	53.61 ± 0.54	52.45 ± 1.93	52.08 ± 3.75	66.47 ± 0.69	66.10 ± 1.92
k2 (L×g–1×min–1)	1.1 ± 0.8 × 10–3	1.1 ± 0.9 × 10–3	2.0 ± 0.1 × 10–3	7.6 ± 0.4 × 10–4	2.4 ± 1.0 × 10–4	6.0 ± 3.0 × 10–4
R2	0.976	0.967	0.962	0.967	0.992	0.991
PFBS
qe, 4 h (mg/g)	47.22 ± 12.56	65.39 ± 0.01	46.30 ± 2.48	41.73 ± 2.28	53.92 ± 0.33	40.45 ± 3.88
k2 (L×g–1×min–1)	3.1 ± 2.7 × 10–4	8.5 ± 0.8 × 10–5	7.3 ± 1.1 × 10–4	1.4 ± 0.2 × 10–4	8.0 ± 0.9 × 10–4	2.9 ± 1.5 × 10–3
R2	0.881	0.843	0.911	0.835	0.984	0.874