Fig. 4

A: Comparison of adsorption capacities and BET surface areas of various adsorbents for phenol removal, B: FTIR spectra of nano-γ -Al2O3 before and after phenol adsorption

A: Comparison of adsorption capacities and BET surface areas of various adsorbents for phenol removal, B: FTIR spectra of nano-γ -Al2O3 before and after phenol adsorption