BIOAEROSOL AND ODOUR EMISSIONS: A COMPARISON OF THREE COMPOSTING SITES IN SCOTLAND

Emissions of odour and airborne micro-organisms or bioaerosols are two potentially unfavourable impacts from composting facilities (Drew G.H., Smith R. & al, 2005). Composting facilities that are inappropriately managed have the potential to cause pollution, adverse health effects and nuisance through odours, leachate, dust and potentially harmful bioaerosols. The health impacts from bioaerosols can include certain forms of infectious diseases, such as invasive aspergillosis, as well as allergic and inflammatory responses (Denning, 1998; Latge, 1999; Reboux G., Piarroux R. & al, 2001). In addition to the potential health risks posed by bioaerosols, odour emissions from composting facilities have given rise to complaints from the public.

Inappropriately managed composting facilities can present risks to public health through bioaerosols and odour nuisance. In light of these problems, the aim of this study was to present and compare odour and bioaerosol data from three composting facilities, each processing different material under different conditions. The results show that the measured bioaerosol concentrations are within the same range as previously reported at source measurements. The highest odour concentration was measured at the facility processing animal by-product waste, which was expected due to the nature of the feedstock. The dispersion models used were shown to underestimate downwind concentrations of bioaerosols by between 1- and 3-log.



Copyright: © IWWG International Waste Working Group
Quelle: Specialized Session D (Oktober 2007)
Seiten: 10
Preis: € 10,00
Autor: A. Tamer Vestlund
Dr Gillian Drew
B. Jehlickova
P. Stenbro-Olsen
R. Sneath
 
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