Removal of ciprofloxacin from aqueous solutions using GO/PVA/calcium alginate composite beads as an absorbent
Abstract
, 11.72%, 78.92%, 1.7%, 0.7857%, and 96.45%, respectively. Adsorption experiments revealed that the beads achieved the maximum adsorption capacity under optimal conditions and that the highest removal efficiency was 89.82%. Among the four linear and non-linear isotherms, the Langmuir adsorption isotherm model indicated that the adsorption occurred by monolayer formation. Thermodynamic and kinetic analyses indicate that the adsorption process is spontaneous and exothermic, and that it adheres to pseudo-second-order kinetics. These findings highlight the GO/PVA/CA composite beads as promising, economical, and eco-friendly adsorbents for the removal of pharmaceutical contaminants (especially CPX) from wastewater.
Fields of Study & Subjects
Adsorption and biosorption for pollutant removal
Fluoride Effects and Removal
Layered Double Hydroxides Synthesis and Applications
Publication details
- Journal / source
- RSC Advances
- Publisher
- Royal Society of Chemistry (RSC)
- Volume
- 16
- Issue
- 17
- Pages
- 15225–15241
- Publication date
- 1 January 2026
- Language
- EN