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Odour: characterisation and transformation

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journal contribution
posted on 2023-05-20, 17:46 authored by Parcsi, G, Eric SivretEric Sivret, Wang, X, Stuetz, RM
Emissions of odour constitute a variety of chemical compounds that can be odorous or non-odorous. Each odorous chemical (odorant) has a particular odorant characteristic and detection threshold, unique and specific to that compound. Within an odour matrix the compounds present will interact to form the overall (global) odour; in much the same way as a perfume is composed of many fragrance types. The combination of odorants and non-odorants is complicated by chemical interactions (to form additional species) and the mechanism of combination; it is not simply a matter of addition, for the global odour can be more or less than the sum of the individual components. The management of odorous emissions must first begin with a comprehensive chemical characterisation of the emission in order to identify the key contributors causing the odorous annoyance. This will enable effective odour management to reduce the emission impact; however identification of the nuisance chemicals at the source may differ from those potentially reaching a local receptor; it is therefore imperative that both the source emission be understood and the potential reaction pathways of these chemicals.

History

Publication title

Chemical Engineering Transactions

Volume

30

Pagination

193-198

ISSN

1974-9791

Department/School

School of Engineering

Publisher

Associazione Italiana di Ingegneria Chimica

Place of publication

Italy

Rights statement

Copyright © 2012, AIDIC Servizi S.r.l.

Repository Status

  • Open

Socio-economic Objectives

Water recycling services (incl. sewage and greywater)

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