Figure 11
From: Ultrahigh and kinetic-favorable adsorption for recycling urea using corncob-derived porous biochar

(a) Adsorption isotherm of urea adsorbed on CPB, (b) Langmuir plot, (c) Freundlich plot, (d) Harkins–Jura plot.
From: Ultrahigh and kinetic-favorable adsorption for recycling urea using corncob-derived porous biochar

(a) Adsorption isotherm of urea adsorbed on CPB, (b) Langmuir plot, (c) Freundlich plot, (d) Harkins–Jura plot.