Table 1.

Different parameters for the NOMs removal using CNTs in a fixed-bed adsorption column for different operating conditions

CNTs types	Initial NOMs concentration (mg/L)	Break point time parameters			Saturation point time parameters
		Vbp, mL	tbp, min	qbp, mg/g	Vsat, mL	tsat, h	qsat, mg/g
MWCNT	10	2400	480	23.58	9000	1800	53.46
	5	3300	660	16.32	9900	1980	30.40
	3	4500	900	13.39	12300	2460	24.75
SWCNT	10	3600	720	35.64	10500	2100	66.24
	5	6000	1200	29.82	11700	2340	40.63
	3	10200	1380	27.96	15300	3060	29.77

V_bp and V_sat: volumes of treated water up to breakthrough point time and saturation point time respectively.

t_bp and t_sat: Breakpoint time and saturation point time respectively.

q_bp and q_sat: adsorption capacities in breakpoint time and saturation point time respectively.