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Regenerative Siloxane/VOC Reduction
Regenerative Siloxane Reduction is a great option for biogas sites with high siloxane and/or VOC contamination such as landfills and wastewater plants receiving waste from manufactures of cosmetics, hygiene products, food, and industrial coatings.
A Regenerative Siloxane Reduction System works by flowing the biogas through one of two vessels filled with desiccant based media designed to adsorb siloxane and VOC molecules. These vessels are configured to have one actively cleaning the biogas and while the other is regenerating. When the active vessel reaches capacity the gas path is switched, so the regenerated vessel become the active vessel and the contaminated vessel begins regeneration.
The regeneration cycle is achieved by using Temperature Swing Adsorption where heated ambient air is injected into the contaminated vessel. The heat breaks the bond between the desiccant media and the siloxane or VOC molecule returning the media to its original state and ready to be put back in service.
These systems can be sized for nearly any flow rate or biogas condition and are fully automated to make plant operation more efficient and profitable.