Environmental Science and Pollution Research

, Volume 26, Issue 5, pp 4312–4323 | Cite as

A kinetic study for the Fenton and photo-Fenton paracetamol degradation in an annular photoreactor

  • Francesca Audino
  • Leandro Oscar Conte
  • Agustina Violeta Schenone
  • Montserrat Pérez-Moya
  • Moisès Graells
  • Orlando Mario AlfanoEmail author
Advanced Oxidation Technologies: State-of-the-Art in Ibero-American Countries


A kinetic model describing Fenton and photo-Fenton degradation of paracetamol (PCT) and consumption of hydrogen peroxide (H2O2) was proposed. A set of Fenton and photo-Fenton experiments (18 runs in total) was performed by fixing the initial concentration of PCT to 40 mg L−1 and varying the initial concentrations of H2O2 and ferrous ion, Fe2+. The experimental set-up was a well-stirred annular photoreactor equipped with an actinic BL TL-DK 36 W/10 1SL lamp. Experimental results highlighted that PCT is no more detected by HPLC analysis within a minimum reaction time of 2.5 and a maximum reaction time of 15.0 min. Besides, a maximum conversion of total organic carbon (TOC) of 68.5% was observed after 75 min of reaction in case of using UV radiation and the highest concentrations of the Fenton reagents. The experimental data were used to fit the kinetic model. The radiation field inside the reactor was taken into account through the local volumetric rate of photon absorption, evaluated by assuming a line source model with spherical and isotropic emission. The kinetic parameters were estimated by using a non-linear least-squares regression procedure and root mean square errors (RMSE) were calculated in order to validate the feasibility of the proposed model. A good agreement between experimental and predicted data was observed and the lowest values of RMSE resulted in 5.84 and 9.59% for PCT and H2O2 normalized concentrations, respectively.


AOPs Pharmaceuticals Annular photoreactor Design of experiments LVRPA Kinetic modeling 



Francesca Audino, particularly acknowledges the MINECO for the PhD grant (BES-2013-065545).

Funding information

Financial support received from the Spanish “Ministerio de Economía, Industria y Competitividad” and the European Regional Development Fund, both funding the research Project AIMS (DPI2017-87435-R) is fully acknowledged. Also, the authors acknowledge the financial support from the Universidad Nacional del Litoral (UNL, Project PIC50420150100009LI), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET, Project PIP-2015 0100093), and Agencia Nacional de Promoción Científica y Tecnológica of Argentina (ANPCyT, Project PICT-2015-2651).


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Francesca Audino
    • 1
  • Leandro Oscar Conte
    • 2
  • Agustina Violeta Schenone
    • 2
  • Montserrat Pérez-Moya
    • 1
  • Moisès Graells
    • 1
  • Orlando Mario Alfano
    • 2
    Email author
  1. 1.Chemical Engineering DepartmentUniversitat Politècnica de Catalunya, Escola d’Enginyeria de Barcelona Est (EEBE)BarcelonaSpain
  2. 2.Instituto de Desarrollo Tecnológico para la Industria Química (INTEC)Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) and Universidad Nacional del Litoral (UNL)Santa FeArgentina

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