Environmental Science and Pollution Research

, Volume 24, Issue 28, pp 22414–22426 | Cite as

Oxidation of winery wastewater by sulphate radicals: catalytic and solar photocatalytic activations

  • Jorge Rodríguez-Chueca
  • Carlos Amor
  • Joana Mota
  • Marco S. Lucas
  • José A. Peres
Research Article


The treatment of winery effluents through sulphate radical-based advanced oxidation processes (SR-AOPs) driven by solar radiation is reported in this study. Photolytic and catalytic activations of peroxymonosulphate (PMS) and persulphate (KPS and SPS) at different pH values (4.5 and 7) were studied in the degradation of organic matter. Portugal is one of the largest wine producers in Europe. The wine making activities generate huge volume of effluents characterized by a variable volume and organic load, being their seasonal nature one of the most important drawbacks. Recently, SR-AOPs are gradually attracting attention as in situ chemical oxidation technologies, instead of hydroxyl radical AOPs (HR-AOPs). The studied concentrations are suitable to obtain notable values of organic matter degradation, with TOC removal around 50%. In general terms, no notable differences were observed between treatments at pH values 4.5 and 7. Photolytic activation of SPS with solar radiation treatments obtained the highest efficiency (28 and 40% of TOC removal with 1 and 50 mM, respectively, at pH 4.5) in comparison to KPS and PMS. The addition of a transition metal as catalyst, such as Fe(II) or Co(II), increased considerably the TOC removal efficiency higher than 50%, but not in all cases. For instance, the combination KPS or PMS with Co(II) at pH 4.5 did not allow to obtain better results than photolytic activation of these persulphate salts. In summary, the use of SR-AOPs could be a serious alternative as tertiary treatment for winery wastewaters.


Winery wastewater Peroxymonosulphate Persulphate Solar radiation; cobalt Iron 



Authors are grateful to Fundação para a Ciência e a Tecnologia (FCT) for the financial supports provided to CQVR through PEst-C/QUI/UI0616/2014 and to CITAB for the project UID/AGR/04033/2013. Also, the authors acknowledge the Project INTERACT—Integrative Research in Environment, Agro-Chains and Technology—NORTE-01-0145-FEDER-000017. Jorge Rodríguez-Chueca acknowledges the funding provided by the Spanish Ministry of Economy and Competitiveness (MINECO) through the Juan de la Cierva-formación grant (No. FJCI-2014-20195).

Supplementary material

11356_2017_9896_MOESM1_ESM.docx (22 kb)
Figure S1 (DOCX 21 kb)
11356_2017_9896_MOESM2_ESM.docx (38 kb)
Figure S2 (DOCX 38 kb)


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Copyright information

© Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  1. 1.Department of Chemical and Environmental Technology (ESCET)Universidad Rey Juan CarlosMostolesSpain
  2. 2.Centro de Química de Vila Real, Departamento de QuímicaUniversidade de Trás-os-Montes e Alto Douro (UTAD)Vila RealPortugal

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