Scentroid has introduced several improvements to its SIMS3 platform, enhancing the accuracy of emission plume visualization, integrating new monitoring hardware, and refining analytical tools for more robust odour event assessment. These updates aim to provide more reliable representations of atmospheric dispersion patterns and improve data interpretation in environmental monitoring applications.

   Recent developments in the Scentroid SIMS3 system focus on upgrading how emission plumes are modelled and displayed. The standard heatmap representation has been replaced by a custom visualization engine that ensures higher spatial resolution and stability at all zoom levels. This modification eliminates clustering effects common in dense measurement networks and provides better definition near emission sources, particularly under variable meteorological conditions. The result is a more consistent and realistic depiction of dispersion dynamics, improving the interpretation of odour and pollutant transport in complex environments.

   PrOlor is a simple odor impact forecasting system for composting plants that supports BREF BAT 37 recommendations by anticipating odor episodes in sensitive areas.

   It uses meteorological and dispersion models (such as GFS, WRF, CALMET, and CALPUFF) run in the cloud to send daily odor threshold exceedance forecasts by email. The study also aims to compare these predictions with actual odor records at a specific composting plant.

C. Díaz1, C. Izquierdo1, A. Antón1, R. Bianconi2 & R. Bellasio2

1Ambiente et Odora. C/Uribitarte 6, planta baja. 48001, Bilbao, Bizkaia
1 carlosdiaz@ambienteetodora.com

2Enviroware. Via Dante Alighieri 142. 20863 Concorezzo (MB), Italy

   The Jagüel Wastewater Treatment Plant in Punta del Este, Uruguay, underwent an odor control improvement plan ahead of a major renovation.

    A study by Ambiente et Odora measured H₂S emissions, modeled odor dispersion with CALPUFF, and identified key sources. Corrective actions included improved ventilation in centrifuge rooms, replacement of biofilters with granular activated carbon filters, and dosing ferric chloride into the slurry. These measures effectively reduced odors during the summer season, with no reported complaints.

A. Irigoyen*1, D. Berger1, A. Anton2, & C. Diaz2

1CIEMSA

2Ambiente et Odora

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