Pyro Green-Gas (formerly known as AirScience Technologies Inc.)
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AirScience - Model DSC -Dry Scrubbing Catalyst Process System
The DSC process is based on the property of iron sponge to convert to iron pyrite in the presence of hydrogen sulfide. To enhance the reactivity of the active product as well as the activity of the whole pellets and not only the external surface, the active media is enhanced by certain additives defined as catalysts.
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dry scrubbing system
- The process consists in passing the hydrogen sulfide charged biogas through a tower filled with the required amount of active media to ensure the required hydrogen sulfide outlet concentration level as well as the expected life of the media.
- Once spent, the media will be disposed of in a regular solid waste landfill for non hazardous waste.
- Generally, two towers are installed with inter connecting piping and valving to operate each tower in a lead or lag mode. This features allows for the optimal use of the desulfurization media and minimize the operating cost of the desulfurization process.
