Dillon Consulting Limited was retained by TripleGreenEnergy to conduct source testing on the gasifier exhaust stack to quantify combustion gas emissions. These tests were conducted on our 3 million btu/hr gasifier operating at the maximum system designed production rate of approximately 500 pounds (227 kg) of straw feed stock per hour.

The following gases were measured from the exhaust gas stream:

•  Oxygen
•  Carbon Monoxide
•  Sulphur Dioxide
•  Oxides of Nitrogen
•  Carbon Dioxide

The following table summarizes the results of the combustion gas concentrations in the TGE3000 gasifier exhaust stream.

Combustion Gas concentrations are the average concentrations from 3 separate test periods.


POI Summary for 24-hr Averaging Period
Contaminant Max POI Concentrations (ug/m3 Property Line/off property Prov. Of Manitoba Ambient Air Quality Objectives Max. acceptable level (ug/m )3
  1-Hour 24-Hour 1-Hour 24-Hour
Particulate Matter 21.1 8.79 N/V 120
Carbon Monoxide 437 182 35,000 15,000
Oxides of Nitrogen 143 59.6 400 200
Sulphur Dioxide 5.27 2.20 900 300
Hydrogen Chloride 16.7 6.94 100 100

“The results of the dispersion model indicate that the emissions of all of the measured parameters from the TGE3000 Gasifier comply with the Ontario and Manitoba regulated Point of Impingement and Ambient Air Quality Criteria Concentrations. The POI concentrations for the remaining combustion gases do not exceed any of the regulated POI limits or AAQC. In general the POI concentrations predicted by the dispersion modeling for all measured pollutants are at least one-half of the regulated levels with no pollution control devices.” - Dillon Final Report, March 2003

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