Tetracycline removal from an aqueous solution using bimetallic-impregnated activated carbon synthesized via one-step dry-pyrolysis of hawthorn kernels.

ABSTRACT: A novel bimetallic Fe-Mn-impregnated activated carbon (Fe: Mn: AC) composite was synthesized via the one-step dry pyrolysis method and is applied to tetracycline (TC) removal from aqueous solution. Characterization results revealed a mesoporous structure with various functional groups on the Fe: Mn: AC adsorbent. The impacts of solution pH, adsorption time (kinetics), and initial TC concentration on equilibrium in batch adsorption were studied. The highest TC removal efficiency using Fe: Mn: AC occurred at a pH of 6. The kinetic analysis using various models revealed that the data best fit the Elovich model, highlighting the significance of external diffusion (film diffusion) during the adsorption process. The equilibrium data aligned well with the Langmuir isotherm, which predicted a maxi

SUBMITTER: Sharififard H 

PROVIDER: S-EPMC12808234 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature