Removal and Adsorption of p-Nitrophenol from Aqueous Solutions Using Carbon Nanotubes and Their Composites

Table 2

Effect of agitation time on removal of PNP.

Agitation time/min	𝐶𝑒/mg·mL^−1	Percentage removal
30	0.0001630	98.37%
90	0.0002810	97.19%
240	0.0002810	97.19%
360	0.0002980	97.02%