Green synthesis of ZnO coated hybrid biochar for the synchronous removal of ciprofloxacin and tetracycline in wastewater
Abisola O. Egbedina, Kayode O. Adebowale, Bamidele I. Olu-Owolabi, Emmanuel I. Unuabonah, Morenike O. Adesina
Abstract
for TET removal on KCB, KCB-A and KCB-B, respectively. For KCB, KCB-B and KCB-B, CIP adsorption best followed the pseudo second order kinetic model (PSOM), pseudo first order kinetic model (PFOM) and intraparticle diffusion (IDP) respectively. TET adsorption followed PSOM for KCB, IPD for KCB-B and PFOM for KCB-A. CIP adsorption on KCB, KCB-A and KCB-B best fit the Temkin, Langmuir and Brouers-Sotolongo isotherms, respectively, and TET adsorption on KCB best fit Brouers-Sotolongo while KCB-A and KCB-B best fit Langmuir-Freundlich. Adsorption of both contaminants was thermodynamically feasible showing that these materials are excellent adsorbents for the treatment of pharmaceuticals in water.