Continuous Fixed-Bed Column Study and Adsorption Modeling: Removal of Lead Ion from Aqueous Solution by Charcoal Originated from Chemical Carbonization of Rubber Wood Sawdust

Table 5

Error function values of the models for lead adsorption by CRSD.

(mg/L)	(mL/min)	(cm)	pH	Adams-Bohart			Thomas			Yoon-Nelson
				ERRSQ	HYBRID	MPSD	ERRSQ	HYBRID	MPSD	ERRSQ	HYBRID	MPSD
10	15	5	5.2	42.52	7.43	0.074	3.44	0.60	0.0060	5.22	0.91	0.0091
20	15	5	5.2	222.77	17.81	0.178	5.74	0.45	0.0045	8.63	0.69	0.0069
30	15	5	5.2	19.06	1.28	0.012	97.58	6.56	0.0656	90.93	6.11	0.061
20	10	5	5.2	79.80	6.73	0.067	5.65	0.47	0.0047	7.32	0.6182	0.0061
20	15	5	5.2	258.19	20.65	0.206	5.74	0.45	0.0045	8.63	0.6909	0.0069
20	20	5	5.2	2267.94	337.83	3.378	0.123	0.018	0.00018	0.0006	9.18E − 05	9.19E − 07
20	15	2	5.2	820.46	174.23	1.742	9.38E − 05	1.99E − 05	1.99E − 07	42.52	9.0316	0.090
20	15	5	5.2	222.77	17.81	0.178	5.74	0.45	0.0045	8.63	0.6909	0.0069
20	15	7	5.2	15.09	1.10	0.011	2.83	0.20	0.0020	4.85	0.3539	0.0035
20	15	5	3.1	506.39	301.96	3.019	0.095	0.056	0.00056	0.014	0.0085	8.56E − 05
20	15	5	5.2	222.77	17.81	0.178	5.74	0.45	0.0045	8.63	0.6909	0.0069
20	15	5	6.4	212.01	22.01	0.220	7.97	0.82	0.0082	7.36	0.7643	0.0076