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Sensors 2013, 13(1), 938-955; doi:10.3390/s130100938
Review

Odor Sampling: Techniques and Strategies for the Estimation of Odor Emission Rates from Different Source Types

* ,
 and
Politecnico di Milano, Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Piazza Leonardo da Vinci 32, 20133 Milano, Italy
* Author to whom correspondence should be addressed.
Received: 13 December 2012 / Revised: 8 January 2013 / Accepted: 14 January 2013 / Published: 15 January 2013
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Abstract

Sampling is one of the main issues pertaining to odor characterization and measurement. The aim of sampling is to obtain representative information on the typical characteristics of an odor source by means of the collection of a suitable volume fraction of the effluent. The most important information about an emission source for odor impact assessment is the so-called Odor Emission Rate (OER), which represents the quantity of odor emitted per unit of time, and is expressed in odor units per second (ou∙s−1). This paper reviews the different odor sampling strategies adopted depending on source type. The review includes an overview of odor sampling regulations and a detailed discussion of the equipment to be used as well as the mathematical considerations to be applied to obtain the OER in relation to the sampled source typology.
Keywords: odor emission rate; odor concentration; point sources; surface sources; wind tunnel odor emission rate; odor concentration; point sources; surface sources; wind tunnel
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Capelli, L.; Sironi, S.; Del Rosso, R. Odor Sampling: Techniques and Strategies for the Estimation of Odor Emission Rates from Different Source Types. Sensors 2013, 13, 938-955.

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