Batch Sorption of Ciprofloxacin on Kaolinitic Clay and nHematite Composite Equilibrium and Thermodynamics Studies

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dc.contributor.authorAdekola, F.A.
dc.contributor.authorAdegoke, H.I
dc.contributor.authorAdebayo, G.B.
dc.contributor.authorAbdulsalam, I.O.
dc.date.accessioned2021-05-24T09:31:19Z
dc.date.available2021-05-24T09:31:19Z
dc.date.issued2016-01
dc.description.abstractIn this study nanoparticles of hematite and hematite-kaolin composite were prepared and characterized using X-ray diffraction, X-ray fluorescence (XRF), Scanning electron microscopy (SEM), Fourier transform infra-red spectroscopy (FTIR) and UV-visible spectroscopy analysis. The prepared materials were applied for the sorption of Ciprofloxacin (CIP) from aqueous solution. The effects of contact time, initial CIP concentration, pH and temperature were experimentally studied in batch mode to evaluate the adsorption capacity, kinetics, thermodynamics and equilibrium. Under the established experimental conditions the adsorption reached equilibrium in about 60 minutes and the optimum adsorption capacity attained was 16 x10-6 mol/g between pH of 5and 9 for hematite-kaolin composite. Ciprofloxacin uptake per unit mass was found to decrease with increase in adsorbent dosage. The adsorption process was found to be exothermic.The dynamic drug uptake data were applied to various kinetic models and their order of fitness was found to be Pseudo-second order >Elovich equation > Intra-particle diffusion > Pseudo-first order. It was found that the data fitted best with Temkin>Dubinin-Radushkevich>Freundlich> Langmuir, as indicated by their regression values.en_US
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/20.500.12484/5398
dc.language.isoenen_US
dc.subjectAdsorption kinetics and thermodynamicsen_US
dc.subjectciprofloxacin, Hematite nanoparticles,en_US
dc.subjectComposite materials, scanningen_US
dc.subjectelectron microscopyen_US
dc.titleBatch Sorption of Ciprofloxacin on Kaolinitic Clay and nHematite Composite Equilibrium and Thermodynamics Studiesen_US
dc.typeArticleen_US

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