Figure 9
From: Ultrahigh and kinetic-favorable adsorption for recycling urea using corncob-derived porous biochar

(a) Effect of pH on the adsorption capacity of urea, (b) The Zeta potentials of CPB under different initial pH.
From: Ultrahigh and kinetic-favorable adsorption for recycling urea using corncob-derived porous biochar

(a) Effect of pH on the adsorption capacity of urea, (b) The Zeta potentials of CPB under different initial pH.