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Design and trouble-shooting of waste gas treatment systems

Are you looking for strategies to manage your waste gas?

The processing of waste-gas or off-gas is an important part of most plant operations. Each type of plant produces a different type of waste gas to be processed and has its own characteristics that will need to be optimised.

Waste gas modelling

We provide each customer with the best solution by:
  • accurately assessing the characteristics of waste or off-gases using a full range of plant measurement, emission monitoring and sampling services
  • using advanced modelling software to design new or modified waste gas systems
  • testing of multiple designs using modelling to ensure that the best design is selected before construction begins
  • benefits such as heat recovery to generate steam are identified and quantified

Case study

A pilot plant for a new mineral processing technology required an oxidiser to eliminate unwanted emissions and odours.

Several designs were tested both in-situ and external. The relatively small flow rates prevented usual design rules from applying, and an innovative concept was required to obtain adequate performance.

The first design performed excellently. Emission testing showed all combustible species were destroyed in the afterburner.

Modelling demonstrated that outlet temperatures would not damage downstream equipment.


Our customers have enjoyed benefits including:
  • elimination of odours, dust or visible emissions
  • compliance with emission levels
  • decreased Occupational Health & Safety risk
  • improved process efficiency with lower loss of energy in the gas
  • decreased fouling of the waste gas system
  • reduced plant down-time
  • improved length of operating cycle
  • rapid design solution from a combination of sampling, chemical analysis and modelling

For further information contact Lionel Marshall on 02 4014 8900 (International +61 2 4014 8900)
or click on the contacts button below.
 
Case study

Prototype testing of a waste-to-energy plant revealed high levels of gaseous emissions.

Detailed modelling revealed a "short-circuit" path through the combustor. This meant that some gas was having a very short residence time, resulting in incomplete combustion of pollutants.

Design modifications were developed and proven for final commercial product, and saved costly product recall or on site modifications.