Environmental Science and Pollution Research

, Volume 24, Issue 14, pp 12599–12607 | Cite as

Urban biowaste-derived sensitizing materials for caffeine photodegradation

  • A. Bianco PrevotEmail author
  • F. Baino
  • D. Fabbri
  • F. Franzoso
  • G. Magnacca
  • R. Nisticò
  • A. Arques
Environmental Photocatalysis and Photochemistry for a Sustainable World: A Big Challenge


Caffeine-photosensitized degradation has been studied in the presence of bio-based materials derived from urban biowaste after aerobic aging. A peculiar fraction (namely bio-based substances (BBSs)), soluble in all the pH range, has been used as photosensitizing agent. Several caffeine photodegradation tests have been performed, and positive results have been obtained in the presence of BBSs and H2O2, without and with additional Fe(II) (photo-Fenton-like process). Moreover, hybrid magnetite-BBS nanoparticles have been synthesized and characterized, in order to improve the sensitizer recovery and reuse after the caffeine degradation. In the presence of such nanoparticles and H2O2 and Fe(II), the complete caffeine degradation has been attained in very short time. Both homogeneous and heterogeneous processes were run at pH = 5, milder condition compared to the classic photo-Fenton process.


Caffeine photodegradation Bio-based substances Fenton Photo-Fenton, magnetic nanoparticles Urban waste 



This work was performed with the financial support for academic interchange by the Marie Sklodowska-Curie Research and Innovation Staff Exchange project funded by the European Commission H2020-MSCA-RISE-2014 within the framework of the research project MAT4TREAT (project number 645551). Compagnia di San Paolo and University of Torino are gratefully acknowledged for funding Project Torino_call2014_L2_126 through “Bando per il finanziamento di progetti di ricerca di Ateneo – anno 2014” (Project acronym: Microbusters). Additionally, authors would like to acknowledge Dr. Flavio R. Sives (La Plata, Argentina) for magnetization measurements.

Supplementary material

11356_2016_7763_MOESM1_ESM.docx (272 kb)
ESM 1 (DOCX 271 kb)


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Copyright information

© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • A. Bianco Prevot
    • 1
    Email author
  • F. Baino
    • 1
  • D. Fabbri
    • 1
  • F. Franzoso
    • 1
  • G. Magnacca
    • 1
    • 2
  • R. Nisticò
    • 1
  • A. Arques
    • 3
  1. 1.Dipartimento di ChimicaUniversità degli Studi di TorinoTorinoItaly
  2. 2.NIS CentreTorinoItaly
  3. 3.Dpto de Ingeniería Textil y PapeleraUniversitat Politècnica de ValènciaAlcoySpain

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