Removal of Natural Organic Matter (NOM) from Aqueous Solutions by Multi-Walled Carbon Nanotube Modification with Magnetic Fe₃O₄ Nanoparticles

Table 6

Removal percentage of HA in synthetic samples at optimal conditions.

NOM concentration (HA) (mg·L^−1)	pH	Contact time (min)	Mixing speed (rpm)	NT concentration (g·L^−1)	Mean ± SD (%)
5	3	60	100	0.5	66.1 ± 8.2
10	3	90	100–120	1.5	82.3 ± 8.66
20	3	90	100	1	64.4 ± 7.3

Repeated in triplicate.