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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Author(s)
María Montes1, Alejandra Vásquez1, Pedro García1, Sergio Zamora2, Naim Sulvarán3 and Viniza Ureña3
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DOI:10.17265/2162-5263/2021.01.002
Affiliation(s)
1. Department of Environmental Engineering, Institute for Engineering, University of Veracruz, Boca del Rio, Ver 94294, Mexico
2. Graduate Department, Faculty of Construction Engineering and Habitat, University of Veracruz, Boca del Rio, Ver 94294, Mexico
3. Department of Chemical Engineering, Faculty of Chemical Sciences, University of Veracruz, Boca del Rio, Ver 94294, Mexico
ABSTRACT
The incorrect disposal of the waste generated in the municipalities contributes
to water and soil contamination, resulting in a real concern in order to find
an adequate disposal as well as obtain by-products that can be used to reduce
CO2 emissions. Anaerobic digestion turns out to be the most
efficient treatment, both in environmental and economic terms. The objective of
this study is to evaluate the anaerobic co-digestion process in phases as an
alternative for the treatment of municipal waste: sludge from water treatment
plants and the biodegradable part of Municipal Solid Waste (MSW), for three HRTs (Hydraulic Retention
Times). Testing results
show up a max elimination of 70.68% in VS (Volatile Solids) and 74.01% in COD (Chemical Oxygen Demand). With these
percentages of elimination on average, 15.96 L/d of biogas was produced, for
each kg of COD eliminated 0.56 m3 of biogas was produced and for each kg of SV 0.85 m3 and methane of 50.10%.
KEYWORDS
Co-digestion, methane, municipal waste.
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