Xènia Juan


Email: xenia.juan @uab.cat
Telephone: +34 581 47 97
Address: Departament d'Enginyeria Química Escola d'Enginyeria (EE) Universitat Autònoma de Barcelona 08193 - Cerdanyola del Vallès Barcelona
08193 - Cerdanyola del Vallès (Barcelona)
LinkedIn: : www.linkedin.com/in/x%C3%A8nia-juan-d%C3%ADaz-14727b93/



Xènia Juan Díaz (Barcelona, 1992) is degreed in Environmental Science (Universitat Autònoma de Barcelona, 2014) and MSc in Oceanography specialized in biogeochemistry (Universitat de Barcelona, 2015). She collaborated in the experimental and monitoring of an UASB reactor during her abroad degree’s experience in Leeuwarden (The Netherlands). During her MSc studies, she did an internship in the Labaqua company studying and modelling the impact of the waste water discharge offshore Barcelona, collaborating as well with the Marine Engineering Department of the Polytechnic University of Catalunya. After her MSc, she did an internship in the Woods Hole Oceanographic Institution (Massachusetts, USA) to assess the impact of the Fukushima marine Nuclear Power Plant Discharges in the ocean. Her task consisted in the analysis and discussion of the radioisotopes Sr-90 and Cs-137 in sea and ground water samples. She is currently a PhD student in Environmental Science and Technology and her research aims to improve the implementation of the autotrophic nitrogen removal at main-stream conditions in a pilot scale.

Xènia’s current research interests are:

  • Study the impact of ammonium concentrations in the partial nitrification reactor at different environmental conditions.
  • Assess different COD/N ratios to improve the nitrogen removal in a simultaneous Anammox and denitrification process.
  • Characterize the biomass involved in the partial nitrification and in the anammox process from the microbiological, kinetic and physicochemical points of view during the operation at mainstream conditions.
  • Analyze the effect of heavy metals in the microbial community when treating real waste water.


Paradis, S., Puig, P., Masqué, P., Juan-Díaz X., Martín, J., Palanques, A. Bottom-trawling along submarine canyons impacts deep sedimentary regimes. Sci. Rep.7, 43332; doi: 10.1038/srep43332 (2017).






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