Abstract
Methods of Assessing Odour Emissions from Biogas Plants Processing Municipal Waste
Highlights
The element inherent in waste treatment is the emission of odours
The generated and collected municipal waste is most often directed to plants with mechanical-biological waste processing installations
The biogas installations, apart from undoubted benefits resulting from the possibility of waste management, as well as the inclusion of biogas produced in the process of anaerobic decomposition of waste, which is transformed into electricity and heat, are associated with nuisances resulting from their functioning, i.e: odour and process gas emissions The gases emitted consist of both organic compounds, as well as inorganic (Cheng et al, 2019; Orzi et al, 2010; Scaglia et al, 2011)
Summary
The element inherent in waste treatment is the emission of odours. The decomposition of biodegradable waste fractions produces many volatile odoriferous substances, the so-called odorants. (Wiśniewska et al, 2019). Gas samples in indirect olfactometry are collected in bags, usually Tedlar Bags® (Szyłak-Szydłowski, 2015) and sent to the laboratory equipped with a stationary dynamic olfactometer. E. assessors, who are presented with three samples, are asked to indicate in which sample the smell is felt This method, as in the case of dynamic olfactometry, allows the determination of the degree of dilution at which a smell can be detected, but it is done by mixing a specific volume of the sample in a specific volume of clean air (Grzelka et al, 2018; Kośmider et al, 2002; Szyłak-Szydłowski, 2019)
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