Amino-Functionalized Wood Aerogel for Efficient Removal of Copper Ions from Water

Figure 4

(a) Adsorption kinetics of PEI@wood aerogel for Cu(II). Inset: pseudo-second-order kinetic plot; (b) adsorption isothermal of PEI@wood aerogel for Cu(II). Inset: linear regression by fitting the data with the Langmuir adsorption model.

(a)

(b)