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Oxicrew   The purpose of this article is to evaluate the effectiveness of the ozone technology. In this case study, an ozone unit was inserted after a chemical scrubber. Odour samples were taken before the scrubbing, after the scrubber (and before the ozone unit), and after the whole set of abatement. Very high efficiencies were found.

   To this end, a test was carried out treating with ozone a part of the flow of a chimney in an animal by-products processing plant. The report of the VOCs and odours analysis laboratory confirmed the test success.

E. González*, J. Mínguez

   Oxicrew S.L. *comercial@oxicrew.com

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Zorich imagen   The use of an appropriate operational management tool plays a fundamental role in establishing and defining the normal operational parameters during any process. If this process also entails a high potential for odor generation or specific gaseous compounds, either due to a specific process condition or deviations from the process, it becomes even more relevant as operational control management. Hence, a detailed knowledge of the processes and levels of odorant gases present must be evaluated based on reliability and accuracy.

   This article is based on experience, during the development of a project carried out in a liquid industrial waste treatment plant, and what has been learnt remains current and updated know-how.

Héctor Vergara1, Maria José Bravo2

Ecometrika, Av. Américo Vespucio 2296, Conchalí, Santiago, Chile.
1 hvergara@ecometrika.com. 2 mjbravo@ecometrika.com
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zacarias   The aim of this study was to validate olfactometric measurements made in neighborhood of facilities that emit odours at the same time measure the impact on the nearby population before and after installation, and operation of equipment to mitigate odors.

   Olfactometric techniques used in this work are to implement a questionnaire to citizens that could be affected by odours, and then take the values obtained to know odour intensity. On the other hand, they were measured for air quality by chemical analysis. The scope of this investigation was olfactometric measurements for a period of 18 months, as well as chemical analysis. Olfactometric measurement procedures were made using the German regulation VDI 3883 Part 1 and 2.

A.Ulloa, M.Zacarías*

Besten S.A., Condell 1415-1104, Providencia Santiago, Chile.
alvaro.ulloa@bestenchile.cl; marcela.zacarias@bestenchile.cl

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