Chromatotec Group

- Dispersion Modelling Odour and Pollutant Gas



The vigiODOR solution is based on Plumair web platform. This unique solution allows to forecast and monitor in real-time the dispersion of odour and gas plumes (H2, NH3 VOC, TBM, etc) around industrial sites. Connected to the network of vigi e-noses analyzers and to the weather station installed on-site, it provides real-time key information for optimised operation of facilities and efficient management of chemical and olfactory pollution.

Real-time monitoring

Live display of discharges atmospheric dispersion with a configurable refresh rate forthe 'real-time' mode.

Forecasts up to 48 hours in advance

The 'forecasting mode' evaluates discharges dispersion in hours and days to come, enabling warning activation or production programmes re-adjustment.

Integration of latest-generation dispersion models

Considering issues and site complexity, different types of models may be integrated in the platform: simple Gaussian model, ADMS reference model, latest-generation Lagrangian model.

'Service mode' (SaaS)

This variation of the system allows you to enjoy the same level of information and display, from a simple subscription and an Internet connection.

  • Real-time display of plume according to emission levels and weather conditions
  • Odour and specific pollutant gas concentration profiles at emission source and on receptor points defined by the user
  • Relative contribution of the different sources
  • Visualisation of analyzers and meteorological data from the on-site installed station
  • Forecasting mode for impacts anticipation
  • Warnings in case of configurable thresholds overruns on emission points or on pre-defined receptor points: neighbourhood, sensible sites, property lines
  • Data archiving for statistics calculations on historic: exposition frequency, percentiles, monthly or annual means, etc.

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