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Disinfection Unit of Water Resource Recovery Facilities: Critical Issue for N2O Emission

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Frontiers in Wastewater Treatment and Modelling (FICWTM 2017)

Part of the book series: Lecture Notes in Civil Engineering ((LNCE,volume 4))

Abstract

In this study, the floating hood technique for gas collection has been coupled with the off-gas method to monitor greenhouse gas emissions from the chlorination unit in a municipal water resource recovery facility located in Italy. Experimental measurements of direct nitrous oxide (N2O) from chlorination step were performed in order to investigate the contribution of this unit on the net carbon footprint. Interesting results were found on the chlorination unit which proved to be the major contributor to direct N2O emissions, due to the chemical interaction between hydroxylamine and the disinfectant agent (i.e. hypochlorite). For the first time, we measured for the chlorination unit a specific emission factor of 0.008 kgCO2,eq \( {\text{kg}}_{\text{bCOD}}^{ - 1} \), proving the innovativeness of our findings.

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Acknowledgments

This research was funded by the Italian Ministry of Education, University and Research (MIUR) through the Research project of national interest PRIN2012 (D.M. 28 dicembre 2012 n. 957/Ric—Prot. 2012PTZAMC) entitled “Energy consumption and GreenHouse Gas (GHG) emissions in the wastewater treatment plants: a decision support system for planning and management” in which Donatella Canianiis the coordinator of the University of Basilicata research unit. Part of this research was carried out in the framework of the project ‘Smart Basilicata’ (Contract n. 6386 - 3, 20 July 2016). Smart Basilicata was approved by the Italian Ministry of Education, University and Research (Notice MIUR n. 84/Ric 2012, PON 2007–2013 of 2 March 2012) and was funded with the Cohesion Fund 2007–2013 of the Basilicata Regional authority.

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Authors and Affiliations

  1. Scuola di Ingegneria, Università della Basilicata, Potenza, Italy

    M. Caivano, R. Pascale, G. Mazzone, S. Masi & D. Caniani

  2. Acquedotto Lucano S.p.A., Potenza, Italy

    S. Panariello

Authors
  1. M. Caivano
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  2. R. Pascale
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  3. G. Mazzone
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  4. S. Masi
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  5. S. Panariello
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  6. D. Caniani
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Editors and Affiliations

  1. University of Palermo, Palermo, Italy

    Giorgio Mannina

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Caivano, M., Pascale, R., Mazzone, G., Masi, S., Panariello, S., Caniani, D. (2017). Disinfection Unit of Water Resource Recovery Facilities: Critical Issue for N2O Emission. In: Mannina, G. (eds) Frontiers in Wastewater Treatment and Modelling. FICWTM 2017. Lecture Notes in Civil Engineering , vol 4. Springer, Cham. https://doi.org/10.1007/978-3-319-58421-8_70

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  • DOI: https://doi.org/10.1007/978-3-319-58421-8_70

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-58420-1

  • Online ISBN: 978-3-319-58421-8

  • eBook Packages: EngineeringEngineering (R0)

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