Synthesis, characterization and adsorption properties of diethylenetriamine-modified hypercrosslinked resins for efficient removal of salicylic acid from aqueous solution

► Optimizing pore textures and surface functionality of polymeric adsorbents. ► Comprehensive studies on adsorption equilibrium, kinetics and column dynamics. ► Better adsorption performance than many commercial adsorbents. ► Report of micropore diffusion time constants. ► Adsorption and desorption column dynamics.