Table 2.

PFO and PSO model results by 0.25–1.25 g/L MBCOT doses and 50–250 mg/L starting AR73 dye concentration at 25 ± 2 °C.

Parameter			First-order kinetic model			Second-order kinetic model
MBCOT Conc	AR73 dye (mg/L)	qe (exp.)	qe (calc.)	k1	R2	qe (calc.)	k2 × 103	h	R2
0.75 g/L	50	92.05	59.10	31.78	0.937	99.01	0.91	8881	0.999
	100	128.19	70.05	18.88	0.987	138.89	0.41	7974.5	0.994
	150	129.25	66.77	23.03	0.944	140.85	0.23	4564.1	0.959
	200	123.73	104.35	28.10	0.914	138.89	0.36	6973.5	0.996
	250	130.54	98.97	20.73	0.890	151.52	0.23	5382.1	0.980
1.0 g/L	50	63.38	24.23	33.16	0.952	65.79	2.61	11,299.4	0.999
	100	106.29	65.45	27.41	0.964	114.94	0.64	8431.7	0.998
	150	120.52	104.71	35.24	0.872	133.33	0.25	4454.3	0.966
	200	132.92	81.34	20.04	0.993	147.06	0.35	7501.9	0.995
	250	137.64	100.53	17.96	0.950	156.25	0.30	7385.5	0.993
1.25 g/L	50	47.81	11.88	30.40	0.978	49.02	5.18	12,437.8	1.000
	100	94.11	60.62	28.79	0.898	101.01	0.79	8051.5	0.998
	150	100.67	62.85	21.42	0.979	111.11	0.47	5861.7	0.997
	200	107.42	94.49	19.81	0.990	136.99	0.16	3088.3	0.997
	250	140.23	87.32	19.11	0.988	142.86	0.46	9478.7	0.996
1.50 g/L	50	38.47	4.46	22.80	0.954	38.91	11.53	17,452.0	1.000
	100	78.14	31.92	29.94	0.986	81.97	1.69	11,325.0	1.000
	150	95.22	56.31	20.04	0.979	105.26	0.44	4890.0	0.992
	200	114.72	66.82	19.11	0.998	126.58	0.41	6605.0	0.997
	250	130.49	79.60	19.81	0.995	144.93	0.35	7326.0	0.996
1.75 g/L	50	32.15	2.33	17.04	0.920	32.36	18.50	19,379.8	1.000
	100	65.39	9.57	25.33	0.847	66.67	5.14	22,831.1	1.000
	150	91.69	63.18	25.79	0.983	101.01	0.58	5903.2	0.999
	200	111.77	61.14	20.96	0.999	121.95	0.52	7704.2	0.998
	250	125.01	73.88	21.88	0.989	136.99	0.43	8123.5	0.998