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Review

Full-Scale Odor Abatement Technologies in Wastewater Treatment Plants (WWTPs): A Review

1
Sanitary Environmental Engineering Division (SEED), Department of Civil Engineering, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy
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SPONGE Srl, Academic Spin Off of the University of Salerno, Laboratory SEED, Via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy
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Department of Water Resources and Environmental Engineering, Tamkang University, 151 Yingzhuan Road Tamsui District, New Taipei City 25137, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Liu Ye
Water 2021, 13(24), 3503; https://doi.org/10.3390/w13243503
Received: 19 October 2021 / Revised: 17 November 2021 / Accepted: 26 November 2021 / Published: 8 December 2021
The release of air pollutants from the operation of wastewater treatment plants (WWTPs) is often a cause of odor annoyance for the people living in the surrounding area. Odors have been indeed recently classified as atmospheric pollutants and are the main cause of complaints to local authorities. In this context, the implementation of effective treatment solutions is of key importance for urban water cycle management. This work presents a critical review of the state of the art of odor treatment technologies (OTTs) applied in full-scale WWTPs to address this issue. An overview of these technologies is given by discussing their strengths and weaknesses. A sensitivity analysis is presented, by considering land requirements, operational parameters and efficiencies, based on data of full-scale applications. The investment and operating costs have been reviewed with reference to the different OTTs. Biofilters and biotrickling filters represent the two most applied technologies for odor abatement at full-scale plants, due to lower costs and high removal efficiencies. An analysis of the odors emitted by the different wastewater treatment units is reported, with the aim of identifying the principal odor sources. Innovative and sustainable technologies are also presented and discussed, evaluating their potential for full-scale applicability. View Full-Text
Keywords: odor impact; VOCs; biofilter; ammonia; biological treatment; chemical-physical treatment odor impact; VOCs; biofilter; ammonia; biological treatment; chemical-physical treatment
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MDPI and ACS Style

Senatore, V.; Zarra, T.; Galang, M.G.; Oliva, G.; Buonerba, A.; Li, C.-W.; Belgiorno, V.; Naddeo, V. Full-Scale Odor Abatement Technologies in Wastewater Treatment Plants (WWTPs): A Review. Water 2021, 13, 3503. https://doi.org/10.3390/w13243503

AMA Style

Senatore V, Zarra T, Galang MG, Oliva G, Buonerba A, Li C-W, Belgiorno V, Naddeo V. Full-Scale Odor Abatement Technologies in Wastewater Treatment Plants (WWTPs): A Review. Water. 2021; 13(24):3503. https://doi.org/10.3390/w13243503

Chicago/Turabian Style

Senatore, Vincenzo, Tiziano Zarra, Mark G. Galang, Giuseppina Oliva, Antonio Buonerba, Chi-Wang Li, Vincenzo Belgiorno, and Vincenzo Naddeo. 2021. "Full-Scale Odor Abatement Technologies in Wastewater Treatment Plants (WWTPs): A Review" Water 13, no. 24: 3503. https://doi.org/10.3390/w13243503

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