An Experimental and Kinetic Study of the Sorption of Carbon Dioxide onto Amine-Treated Oil Fly Ash

Table 1

Surface properties of OFA measured by N₂ adsorption analysis at 77 K.

Sample	BET surface area (m^2/g)	Langmuir surface area (m^2/g)	Average pore width (/) (Å)	t-plot micropore volume (cm^3/g)
OFA before treatment	59	78	133	0.038
OFA after treatment	318	391	147	0.678