Dr. Sixto Malato

Senior Researcher
Telephone: +34950387940

Water Solar Treatment Unit
Plataforma Solar de Almería
Carretera de Senés, km 4
Tabernas, E-04200 Almería

Research interest

Scientific career based on R&D projects linked to water decontamination by advanced oxidation processes. Concretely, he has been involved in 18 International and 22 National R&D Projects related to the development of solar wastewater treatment technologies, and has been involved in the design and construction of all the experimental pilot plants for solar photocatalytic treatment of water and waste water in Europe.

Track record

He is author of 1 book and co-author of 18 books as well as 62 chapters in others. He has also co-authored more than 220 publications in indexed international journals, more than 330 contributions to different International Congress and Symposiums and 5 patents. He has participated as speaker in different specialized courses on Advanced Water Treatment. He has directed 14 PhD Thesis. More than 10000 citations since 1996. H-index (April 2016): 60

  • Associated  editor of scientific journals: Photochemical and  Photobiological Sciences, Environmental Chemistry Letters and Journal of Advanced Oxidation Technologies.  Member of editorial board of Catalisys Today.
  • Award Jaime I in Environmental Protection, 2011 (Most important in science in Spain).
  • Co-Director of Joint Research Center (Univ. Almería-CIEMAT) of R&D in Solar Energy (CIESOL).
  • Director of Plataforma Solar de Almeria.


  1. Nikolaus Klamerth, Sixto Malato, Ana Agüera, Amadeo Fernández-Alba, Gilles Mailhot. Treatment of Municipal Wastewater Treatment Plant Effluents with Modified Photo-Fenton As a Tertiary Treatment for the Degradation of Micro Pollutants and Disinfection. Environ. Sci. Technol., 46, 2885−2892, 2012. JCR 2012: IF= 5.257 (7/209 Env. Sci.)
  2. L. Prieto-Rodriguez, S. Miralles-Cuevas, I. Oller, A. Agüera, G. Li Puma, S. Malato. Treatment of emerging contaminants in wastewater treatment plants (WWTP) effluents by solar photocatalysis using low TiO2 concentrations. J. Hazar. Mat. 211– 212, 131– 137, 2012. JCR 2012: IF= 3.925 (16/209 Env. Sci.)
  3. C. Sirtori, A. Zapata, S. Malato, A. Agüera. Formation of chlorinated by-products during photo-Fenton degradation of pyrimethanil under saline conditions. Influence on toxicity and biodegradability. J. Hazar. Mat., 217– 218, 217–223, 2012. JCR 2012: IF= 3.925 (16/209 Env. Sci.)
  4. Carla Sirtori, Ana Zapata, Wolfgang Gernjak , Sixto Malato , Ana Agüera. Photolysis of flumequine: Identification of the major phototransformation products and toxicity measures. Chemosphere 88, 627–634, 2012. JCR 2012: IF= 3.137 (36/209 Env. Sci.)
  5. I. Michael, E. Hapeshi, V. Osorio, S. Perez, M. Petrovic, A. Zapata, S. Malato, D. Barceló, D. Fatta-Kassinos. Solar photocatalytic treatment of trimethoprim in four environmental matrices at a pilot scale: Transformation products and ecotoxicity evaluation.Sci. Tot. Environ., 430, 167-173, 2012. JCR 2012: IF= 3.258 (31/209 Env. Sci.)
  6. Rodrigo Poblete, Lucia Prieto-Rodríguez, Isabel Oller, Manuel I. Maldonado, Sixto Malato, Emilia Otal, Luis F. Vilches, Constantino Fernández-Pereira. Solar photocatalytic treatment of landfill leachate using a solid mineral by-product as a catalyst. Chemosphere, 88, 1090-1096, 2012. JCR 2012: IF= 3.137 (36/209 Env. Sci.)
  7. Rafael Gonzalez-Olmos, Maria J. Martin, Anett Georgi, Frank-Dieter Kopinke, Isabel Oller, Sixto Malato. Fe-zeolites as heterogeneous catalysts in solar Fenton-like reactions at neutral pH. Appl. Catal. B: Environ., 125, 51-58, 2012. JCR 2012: IF=5.825 (4/133 Chem. Eng)
  8. A. Bernabeu, S. Palacios, R. Vicente, R.F. Vercher, S. Malato , A. Arques, A.M. Amat.  Solar photo-Fenton at mild conditions to treat a mixture of six emerging pollutants. Chemical Engineering Journal, 198-199, 65–72, 2012. JCR 2012: IF=3.473 (10/133 Chem. Eng).
  9. Alam G. Trovo, Raquel F. Pupo Nogueira, Ana Aguera, Amadeo R. Fernandez-Alba, Sixto Malato. Paracetamol degradation intermediates and toxicity during photo-Fenton treatment using different iron species. Wat. Res., 46, 5374-5380, 2012. JCR 2012: IF= 4.655 (12/209 Env. Sci.)
  10. E. Mena, A. Rey, B. Acedo, F.J. Beltrán, S. Malato. On ozone-photocatalysis synergism in black-light induced reactions: Oxidizing species production in photocatalytic ozonation versus heterogeneous photocatalysis. Chemical Engineering Journal, 204-206, 131-140, 2012. JCR 2012: IF=3.473 (10/133 Chem. Eng)
  11. Marco S. Lucas, José A. Peres, Carlos Amor, Lucía Prieto-Rodríguez, Manuel I. Maldonado, Sixto Malato. Tertiary treatment of pulp mill wastewater by solar photo-Fenton. J. Hazardous Materials, 225– 226, 173– 181, 2012. JCR 2012: IF= 3.925 (16/209 Env. Sci.)
  12. A. Bassam, I. Salgado-Tránsito, I. Oller, E. Santoyo, A. E. Jiménez, J. A. Hernandez, A. Zapata, S. Malato. Optimal performance assessment for a photo-Fenton degradation pilot plant driven by solar energy using artificial neural networks. Int. J. Energy Res. 36, 1314–1324, 2012. JCR 2012: IF=1.987 (36/81 Energy).
  13. L Prieto-Rodriguez., S. Miralles-Cuevas, I. Oller, P. Fernández-Ibáñez, A. Agüera, J. Blanco, S. Malato. Optimization of mild solar TiO2 photocatalysis as a tertiary treatment for municipal wastewater treatment plant effluents. Applied Catalysis B: Environmental 128, 119– 125, 2012. JCR 2012: IF=5.825 (4/133 Chem. Eng)
  14. J. A. Sánchez Pérez, I. M. Román Sánchez, I. Carra, A. Cabrera Reina, J. L. Casas López, S. Malato. Economic evaluation of a combined photo-Fenton/MBR process using pesticides as model pollutant. Factors affecting costs. J. Hazar Mat., 244-245, 195-203, 2013. JCR 2013: IF= 4.331 (16/215 Env. Sci.)
  15. N. Klamerth, S. Malato, A. Agüera, A. Fernández-Alba. Photo-Fenton and modified photo-Fenton at neutral pH for the treatment of emerging contaminants in wastewater treatment plant effluents: a comparison. Wat. Res., 47, 833-840, 2013. JCR 2013: IF= 5.323 (9/215 Env. Sci.)
  16. L. Prieto-Rodríguez, I. Oller, N. Klamerth, A. Agüera, E.M. Rodríguez, S. Malato. Application of solar AOPs and ozonation for elimination of micropollutants in municipal wastewater treatment plant effluents. Wat. Res., 47, 1521-1528, 2013. JCR 2013: IF= 5.323 (9/215 Env. Sci.)
  17. Danilo Spasiano, Lucia del Pilar Prieto Rodriguez, Jaime Carbajo Olleros, Sixto Malato, Raffaele Marotta, Roberto Andreozzi. TiO2/Cu(II) photocatalytic production of benzaldehyde benzyl 2 alcohol in solar pilot plant reactor. Applied Catalysis B: Environmental, 136-137, 56-63, 2013. JCR 2013: IF=6.007 (5/133 Chem. Eng)
  18. L. Prieto-Rodríguez, D. Spasiano, I. Oller, I. Fernández-Calderero, A. Agüera, S. Malato. Solar photo-Fenton optimization for the treatment of MWTP effluents containing emerging contaminants. Catalysis Today 209 188-194, 2013. JCR 2013: IF=3.309 (15/133 Chem. Eng)
  19. Michael I., Hapeshi E., Aceña J., Perez S., Petrović M., Zapata A., Barceló D., Malato S., Fatta-Kassinos D. Light-induced catalytic transformation of ofloxacin by solar Fenton in various water matrices at a pilot plant: Mineralization and characterization of major intermediate products. Sci. Tot. Environ. 461-462, 39–48, 2013. JCR 2013: IF= 3.163 (40/215 Env. Sci.)
  20. Miralles-Cuevas S., Arqués A., Maldonado M.I., Sánchez-Pérez J.A., Malato Rodríguez S. Combined nanofiltration and photo-Fenton treatment of water containing micropollutants. Chem. Eng. J., 224, 89–95, 2013. . JCR 2013: IF=4.058 (8/133 Chem. Eng)
  21. Carra I., Casas López J.L., Santos-Juanes L., Malato S., Sánchez Pérez J.A. Iron dosage as a strategy to operate the photo-Fenton process at initial neutral pH. Chem. Eng. J., 224, 67–74, 2013. JCR 2013: IF=4.058 (8/133 Chem. Eng)
  22. Irene Carra, Sixto Malato, Lucas Santos-Juanes, José Luis Casas López, José Antonio Sánchez Pérez. Study of iron sources and hydrogen peroxide supply in the photo-Fenton process. J. Chem. Technol. Biotec., 88, 636-643, 2013. . JCR 2013: IF=2.494 (29/133 Chem. Eng)
  23. B. Bayarri, J. Giménez, M.I. Maldonado, S. Malato, S. Esplugas. 2,4-Dichlorophenol degradation by means of heterogeneous photocatalysis. Comparison between laboratory and pilot plant performance. Chem. Eng. J., 232, 405–417, 2013. JCR 2013: IF=4.058 (8/133 Chem. Eng)
  24. E. De Torres-Socías, I. Fernández-Calderero, I. Oller, M.J. Trinidad-Lozano, F.J. Yuste, S. Malato. Cork boiling wastewater treatment at pilot plant scale: comparison of solar photo-Fenton and ozone (O3, O3/H2O2). Toxicity and biodegradability assessment. Chem. Eng. J., 234, 232-239, 2013. JCR 2013: IF=4.058 (8/133 Chem. Eng)
  25. Helali S., Polo-López M. I., Fernández-Ibáñez P., Ohtani B., Amano F., Malato S., Guillard C. Solar photocatalysis: A green technology for E. coli contaminated water disinfection. Effect of concentration and different types of suspended catalyst. J. Photochem. Photobiol. A: Chem., 276, 31-40, 2013. JCR 2013: IF=2.29 (62/136 Chem. Phys)
  26. Villa K., Domenech X., Malato S., Maldonado M. I., Peral J. Heterogeneous photocatalytic hydrogen generation in a solar pilot plant. Int. J. Hydrogen Energy, 38, 12718-12724, 2013. JCR 2013: IF=2.93 (28/82 Energy & Fuels)
  27. I. Carra, S. Malato, M. Jiménez, M.I. Maldonado, J.A. Sánchez Pérez. Microcontaminant removal by solar photo-Fenton at natural pH run with sequential and continuous iron additions. Chem. Eng. J., 235, 132-140, 2014. JCR 2014: IF=4.321 (9/134 Chem. Eng)
  28. S. Miralles-Cuevas, F. Audino, I. Oller, R. Sánchez-Moreno, J.A. Sánchez Pérez, S. Malato. Pharmaceuticals removal from natural water by nanofiltration combined with advanced tertiary treatments (solar photo-Fenton, photo-Fenton-like Fe (III)-EDDS complex and ozonation).  Sep. Pur. Technol., 122, 515-522, 2014. . JCR 2014: IF=3.091 (16/134 Chem. Eng)
  29. S. Miralles-Cuevas, I. Oller, A. Ruiz Aguirre, J.A. Sánchez Pérez, S. Malato Rodríguez. Removal of pharmaceuticals at microg L-1 by combined nanofiltration and mild solar photo-Fenton. Chem. Eng. J., 239, 68-74, 2014. JCR 2014: IF=4.321 (9/134 Chem. Eng)
  30. Irene Carra, José Luis García Sánchez, José Luis Casas López, Sixto Malato, José Antonio Sánchez Pérez. Phenomenological study and application of the combined influence of iron concentration and irradiance on the photo-Fenton process to remove micropollutants. Sci. Tot. Environ., 478, 123-132, 2014. JCR 2014: IF= 4.099 (18/221 Env. Sci.)
  31. C. Adán, A. Bahamonde, I. Oller, S. Malato, A. Martínez-Arias. Influence of iron leaching and oxidizing agent employed on solarphotodegradation of phenol over nanostructured iron-doped titania catalysts. Appl. Catal. B: Environ., 144, 269-276, 2014. JCR 2014: IF=7.435 (4/134 Chem. Eng)
  32. N. Miranda-García, S. Suárez, M. Ignacio Maldonado, S. Malato, B. Sánchez. Regeneration approaches for TiO2 immobilized photocatalyst used in the elimination of emerging contaminants in water. Catalysis Today 230, 27-34, 2014. . JCR 2014: IF=3.893 (11/134 Chem. Eng)
  33. Karaolia, P., Michael, I., García-Fernández, I, Agüera, A., Malato, S., Fernández-Ibáñez, P., Fatta-Kassinos, D. Reduction of clarithromycin and sulfamethoxazole-resistant Enterococcus by pilot-scale solar-driven Fenton oxidation. Science of the Total Environment, 468-469, 19-27, 2014. JCR 2014: IF= 4.099 (18/221 Env. Sci.)
  34. Irene Carra, Lucas Santos-Juanes, Francisco Gabriel Acién Fernández, Sixto Malato, José Antonio Sánchez Pérez. New approach to solar photo-Fenton operation. Raceway ponds as tertiary treatment technology. J. Hazar. Mat., 279, 322-329, 2014. JCR 2014: IF= 4.529 (13/221 Env. Sci.)
  35. S. Miralles-Cuevas, I. Oller , J.A. Sánchez Pérez, S. Malato. Removal of pharmaceuticals from MWTP effluent concentrate by nanofiltration and solar photo-Fenton using different iron complexes at neutral pH. Wat. Res., 64, 23-31, 2014. JCR 2014: IF= 5.528 (9/221 Env. Sci.)
  36. S. Miralles-Cuevas, L. Prieto-Rodríguez, E. De Torres-Socías, M.I. Polo-López,  P. Fernández-Ibañez,  I. Oller , S. Malato. Strategies for hydrogen peroxide dosing based on dissolved oxygen concentration for solar photo-Fenton treatment of complex wastewater. Global NEST Journal, 16 (3), 553-560, 2014. JCR 2014: IF= 0.468 (212/221 Env. Sci.)
  37. Carra I., García Sánchez J.L, .Malato S., Sánchez Pérez J.A. Modelling Micropollutant Removal By Solar Photo-Fenton. Global NEST Journal, 16 (3), 445-454, 2014. JCR 2014: IF= 0.468 (212/221 Env. Sci.)
  38. E. De Torres-Socías, A. Cabrera-Reina, M. J. Trinidad, F. J. Yuste, I. Oller, S. Malato. Dynamic modelling for cork boiling wastewater treatment at pilot plant scale. Environ Sci Pollut Res, 21, 12182-189, 2014. JCR 2014: IF= 2.828 (54/221 Env. Sci.)
  39. Stefanos Papoutsakis, Sara Miralles-Cuevas, Nicolas Gondrexon, Stephane Baup, Sixto Malato, Cesar Pulgarin. Coupling between high-frequency ultrasound and solar photo-Fenton at pilot scale for the treatment of organic contaminants: An initial approach. Ultras. Sonochem., 22, 527-534, 2015.
  40. P. Fernández-Ibáñez, M.I. Polo-López, S. Malato, S. Wadhwa, J.W.J. Hamilton, P.S.M. Dunlop, R. D’Sa, E. Magee, K. O’Shea, D.D. Dionysiou, J.A. Byrne. Solar photocatalytic disinfection of water using titanium dioxide graphene composites. Chemical Engineering Journal, 261, 36–44, 2015.
  41. S. Miralles-Cuevas, I. Oller, J. A. Sánchez Pérez, S. Malato. Application of solar photo-Fenton at circumneutral pH to nanofiltration concentrates for removal of pharmaceuticals in MWTP effluents. Environ Sci Pollut Res 22, 846–855, 2015.
  42. Jaime Giménez, Bernardí Bayarri, Óscar González, Sixto Malato, José Peral, Santiago Esplugas. A Comparison of the Environmental Impact of Different AOPs: Risk Indexes. Molecules, 20, 503-518, 2015.
  43. Carlos Amor, Estefanía De Torres-Socías, José A. Peres, Manuel I. Maldonado, Isabel Oller, Sixto Malato, Marco S. Lucas. Mature landfill leachate treatment by coagulation/flocculationcombined with Fenton and solar photo-Fenton processes. J. Hazar. Mat., 286, 261-268, 2015.
  44. Danilo Spasiano, Raffaele Marotta, Sixto Malato, Pilar Fernandez-Ibáñez, Ilaria Di Somma. Solar photocatalysis: Materials, reactors, some commercial, and pre-industrialized applications. A comprehensive approach. Appl. Catal. B: Environ., 170, 90-123, 2015. REVIEW:
  45. S. Papoutsakis, F.F. Brites-Nóbrega, C. Pulgarin, S. Malato. Benefits and limitations of using Fe(III)-EDDS for the treatment of highly contaminated water at near-neutral pH. J. Photochem. Photobiol. A: Chem. 303, 1-7, 2015.
  46. M. Jiménez-Tototzintle, I. Oller, A. Hernández-Ramírez, S. Malato, M.I. Maldonado. Remediation of agro-food industry effluents by biotreatment combinedwith supported TiO2/H2O2 solar photocatalysis. Chemical Engineering Journal, 273, 205-213, 2015.
  47. Irene Carra, Carla Sirtori, Laura Ponce-Robles, José Antonio Sánchez Pérez, Sixto Malato, Ana Agüera. Degradation and monitoring of acetamiprid, thiabendazole and their transformation products in an agro-food industry effluent during solar photo-Fenton treatment in a raceway pond reactor. Chemosphere, 130, 73-81, 2015.
  48. S. Miralles-Cuevas, I. Oller, A. Agüera, L. Ponce-Robles J.A. Sánchez Pérez, S. Malato. Removal of microcontaminants from MWTP effluents by combination of membrane technologies and solar photo-Fenton at neutral pH. Catalysis Today, 252, 78-83, 2015.
  49. S. Papoutsakis, S. Miralles-Cuevas, I. Oller, J.L. Garcia Sanchez, C. Pulgarin, S. Malato. Microcontaminant degradation in municipal wastewater treatment plant secondary effluent by EDDS assisted photo-Fenton at near-neutral pH: An experimental design approach. Catalysis Today, 252, 61-69, 2015.
  50. E. De Torres-Socías, L. Prieto-Rodríguez, A. Zapata, I. Fernández-Calderero, I. Oller, S. Malato. Detailed treatment line for a specific landfill leachate remediation. Brief economic assessment. Chemical Engineering Journal, 261, 60–66, 2015.
  51. Irene Carra, José Antonio Sánchez Pérez, Sixto Malato, Olivier Autin, Bruce Jefferson, Peter Jarvis. Application of high intensity UVC-LED for the removal of acetamiprid with the photo-Fenton process. Chemical Engineering Journal, 264, 690-698, 2015.
  52. G. Rivas, I. Carra, J. L. García Sánchez, J. L. Casas López, S. Malato, J. A. Sánchez Pérez. Modelling of the operation of raceway pond reactors for micropollutant removal by solar photo-Fenton as a function of photon absorption. Appl. Catal. B: Environ., 178, 210-217, 2015.
  53. Stefanos Papoutsakis, Zahra Afshari, Sixto Malato, César Pulgarin. Elimination of the iodinated contrast agent iohexol in water, wastewater and urine matrices by application of photo-Fenton and ultrasound advanced oxidation processes. J. Environ. Chem. Eng., 3, 2002–2009, 2015.
  54. Jaime Giménez, Bernardí Bayarri, Óscar González, Sixto Malato, José Peral, Santiago Esplugas. Advanced Oxidation Processes at Laboratory Scale: Environmental and Economic Impacts. ACS Sustainable Chem. Eng., 3, 3188−3196. 2015.
  55. Sixto Malato, Manuel I. Maldonado, Pilar Fernández-Ibáñez,Isabel Oller,Inmaculada Polo, Ricardo Sánchez-Moreno. Decontamination and disinfection of water by solar photocatalysis: The pilot plants of the Plataforma Solar de Almeria. Materials Science in Semiconductor Processing, 42, 15–23, 2016.
  56. Del Moro G., Prieto-Rodríguez L., De Sanctis M., Di Iaconi C., Malato S., Mascolo G. Landfill leachate treatment: Comparison of standalone electrochemical degradation and combined with a novel biofilter. Chemical Engineering Journal, 288, 87–98, 2016.
  57. I. Carra, J. A. Sánchez Pérez, S. Malato, O. Autin, B. Jefferson and P. Jarvis. Performance of different advanced oxidation processes for tertiary wastewater treatment to remove the pesticide acetamiprid. J. Chem. Technol. Biotechnol. 91, 72–81, 2016