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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Author(s)
Alfonso Espitia-Cabrera1, Berenice Quintana-Diaz1, Griselda González-Cardoso1, Mirella Gutiérrez-Arzaluz2, Ana Martinez-Ordaz1 and Javier Lizardi-Ortega1
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DOI:10.17265/2162-5263/2018.04.001
Affiliation(s)
1. Energy Department, Metropolitan Autonomous University, Azcapotzalco CDMX 02200, Mexico
2. Basic Sciences Department, Metropolitan Autonomous University, Azcapotzalco CDMX 02200, Mexico
ABSTRACT
In this paper, authors reported the results
of wastewater treatment of discharges from sanitary facilities and laboratories
from de Metropolitan Autonomous University Azcapotzalco campus in Mexico city
in a pilot plant integrated with a unit of coagulation-flocculation and
sedimentation of suspended particulate and multilayer filtration with sand,
zeolite and anthracite that filtered particulate higher than 5 nanometer of
diameter as primary treatment and advanced oxidation based in the use of
hydroxyl radical through ozonation and UV Photocatalysis with zinc oxide, zinc
oxide doped with silver and zinc oxide doped with zirconia as fine films
photocatalysts on a US 100 stainless steel wire as secondary treatment, and
finally with activated carbon adsorption as final polish. COD and ORP were
evaluated after each step as representative of BOD stablished as MAC’s in
Mexican regulation on wastewater effluents, obtaining values that comply with
the regulation.
KEYWORDS
Advanced oxidation, nanofilms photocatalyst, secondary wastewater treatment.
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