Modelling pollutants in real time: Challenges and key components

on .

   P48I3 In recent years, the community has taken an active role regarding situations or factors that affect its air quality and that of its daily life, especially in those areas close to industrial sites.

   Because residential areas are expanding, until they reach them, the need arises in the industry for agile and dynamic tools to assess this type of risk early. In this context, modeling of atmospheric pollutants in real time emerges as a tool with the ability to quantify the concentration levels of pollutants in the receivers based on real-time meteorological records.

A. González, R. Guerra, V. Zorich

Envirometrika, Santiago (Chile)


Odour source identification in a complex flow environment using a particle trajectory model

on .

P11Ip   This paper presents a methodology that generates complex flow fields based on the Navier Stokes equations for fine-mode trajectory modelling. Initial u- and v-component of wind is input to the model from an onsite weather station on a 2-minute resolution.

   The perturbated flow is then calculated in an iterative fashion until the numerical solution converges. The results are then be stored and the next initial u- and v-component of wind will be input from the anemometer. Each solution is stored and converted for use in a particle trajectory model.

P. D’Abreton1, R. Ormerod1, L. Marchant2

1 Envirosuite, Brisbane, Australia
2 Envirosuite, Santiago, Chile

Use of propulsion system to improve atmospheric dispersion in conducted emission sources in a fish oil processing plant

on .

   P48I3The technical recommendations in the design of stacks indicate that the emission at higher height, or a greater exhaust speed gases, decreases the impact in the surroundings. In fact, it is usual increases stack height in problematic sources.

   Taking into account this principle, additional propulsion systems for conducted sources have been designed. This type of technology allows to power the exhaust gases at a high speed, diluting simultaneously with a high flow rate, and minimizing the impact on the environment.

A. Amo, R. Cerdá, M.A. Cid, J.V. Martínez

Labaqua S.A. Alicante, Spain.

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