A Comparative Study of Raw and Metal Oxide Impregnated Carbon Nanotubes for the Adsorption of Hexavalent Chromium from Aqueous Solution

Table 1

Parameters of Langmuir and Freundlich isotherm models for chromium.

Adsorbent	Freundlich			Langmuir
		(L/mg)		(L/mg)
CNT-iron oxide	7.922564	0.628705	0.9980	−7.47535	0.9966
CNT-aluminum oxide	3.907029	0.571687	0.9996	−10.9559	0.9855
Raw CNTs	2.110755	0.291322	0.9975	0.756502	0.9859