Envirosoft Ltd.

Envirosoft Ltd.



CEMPact has been designed to operate in parallel with a Continuous Emission Monitoring System (CEMS) to provide an estimate of the ground level gas concentrations resulting from the release of exhaust gases from one or more stationary sources(chimneys) at a particular location. CEMPact calculates the mass emission(kg/hr) from the raw emissions data, & then uses the wind speed & direction, ambient temperature, stability class, stack gas temperature etc, to calculate the predicted pollution levels over a selected area. Emission & meteorological data may be accessed over the site network or from a CEMS such as CEMSuite directly

Key Features include:

  • Operates in parallel with existing emission monitoring system
  • Predicts plume in real-time and historically (selected using simple mouse operations
  • Automatically updates the prediction from the latest data available
  • Manages calls of ‘incidences’ and plots these straight onto the dispersion prediction
  • Summarises and graphs meteorological data and plume trajectory
  • Trajectory of buoyant plumes assessed according to Brigs estimate for plume rise
  • Plume dispersion estimated using Gaussian model treatment in horizontal and in vertical for stable atmospheres
  • 3 dimensional local terrain mapping

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