Figure 6

(a) Pore size distribution curve of BC, (b) N2 adsorption/desorption isotherm of pure BC, (c) Pore size distribution curve of modified BC and (d) N2 adsorption/desorption isotherm of modified BC.

(a) Pore size distribution curve of BC, (b) N2 adsorption/desorption isotherm of pure BC, (c) Pore size distribution curve of modified BC and (d) N2 adsorption/desorption isotherm of modified BC.