CEST2025

It is commonly known that pharmaceutical compounds are organic pollutants found in wastewater that have a negative impact. This paper is focused on removal ceftriaxone using copper-zinc oxide composites, obtained by a facile chemical coprecipitation method. Copper oxides, particularly CuO (copper (II) oxide) and Cu2O (copper (I) oxide), have been studied for their adsorption properties in various applications, including environmental remediation, catalysis, and gas sensing. On the other hand, mixt oxides copper-zinc have excellent properties for removal dyes, that can be extended on different pharmaceutically compounds. The adsorption process has gained more popularity in wastewater treatment because the process is non-toxic, cheap and highly efficient. In the present study, carbon nanofiber materials (CNF) were decorated with copper oxide nanoparticles. The obtained nanomaterials were used as adsorbents for ceftriaxone (CF) at a concentration of 10 mg/L, achieving a removal rate of 54%. CuO-CNF samples (uncalcined and after calcination) were characterized by characteristics were examined using XRD, SEM, EDS, SAED, and FTIR methods. The CF adsorption process on the synthesized composite samples was accurately described by the Freundlich isotherm and second-order kinetic models as well as the Langmuir-Hinshelwood (L-H) isotherm model equation. The synthesized nanoparticles possess excellent CF adsorption capacity and therefore these nanoparticles can be used as cheap, promising alternatives to traditional wastewater treatment techniques.