Modeling Breakthrough Curves of Citric Acid Adsorption onto Anionic Resins in an Aqueous Solution

Table 5

Fitting different breakthrough curves based on (2), related statistical tests, and MRPE.

Breakthrough curve	Case					%	D.W.	MRPE
Adsorption of Pb^2+ onto ETS-10 adsorbent	(m/s)		0.107	0.074	−1.004	99.99	0.170	0.45
			0.115	0.125	−1.021	99.99	0.310	0.92
Adsorption of Cr(VI) onto waste acorn of Quercus ithaburensis	Particle size (mm)	0.15–0.25	0.198	0.499	−1.074	99.99	0.979	2.46
		0.25–0.50	0.203	0.505	−1.054	99.99	0.819	2.81
		0.50–1.00	0.211	0.546	−1.023	99.93	0.467	2.34
Adsorption of propylene onto zeolite 4A	(cm^3/min)	32.0	0.186	0.474	−1.010	99.99	0.218	1.38
		46.2	0.325	1.473	−1.144	99.90	0.337	8.54
		62.5	0.291	1.300	−1.174	99.85	0.220	5.75
Adsorption of phenols from wastewater	Adsorbent	Activated carbon	0.385	0.396	−1.029	99.94	0.899	5.59
		RCP	0.339	0.189	−0.908	99.94	2.00	3.58
		Residual coal	0.453	0.564	−0.901	99.59	0.544	3.61
Adsorption of phenol onto resin NDA-100	(mmol/L)	0.532	0.290	0.323	−1.070	99.98	0.346	4.79
		2.032	0.356	0.366	−1.079	99.98	0.320	3.39
		5.319	0.653	1.234	−1.308	99.32	0.100	10.44
Adsorption of Cr(III) onto Agave lechuguilla biomass	Bed length (dm)	0.5	0.257	0.250	−0.999	99.99	1.93	0.90
		1.0	0.247	0.263	0.454	99.99	0.454	2.49
		1.5	0.224	0.203	−1.300	99.99	0.394	1.17