WHAT DOES THE AIR SMELL LIKE? SENSORY ANALYSIS IN A MECHANICAL AND BIOLOGICAL URBAN WASTE TREATMENT UNIT
DOI:
https://doi.org/10.56346/ijsa.v7i10.292Keywords:
TMB, perceção sensorial, compostos químicos voláteis, COV, odorAbstract
Various volatile chemical compounds with an odour (or smell) are produced in waste management facilities. These compounds are perceived by those working in and visiting these facilities. In this study, sensory perception was used to detect odour compounds during a visit by university students to a mechanical and biological treatment facility in two consecutive years (2018 and 2019). For this purpose, a sensory perception survey was carried out at three different locations in the plant and the data were statistically analysed. Although the determination of total VOCs was within the required legal limits, the sensory perception made it possible to identify the compounds with the predominant odour and those with the most unpleasant odour.This makes it possible to consider technological solutions to improve air quality and the treatment process.
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