In comparison to biofilters, biotrickling are able to treat higher concentrations of pollutants with higher efficiency.

From a physical perspective the system is similar to a chemical or water scrubber in which the oxidizing activity is carried us by microorganisms in the recirculating water and attached to the surface of the media solution and not by chemical reagents.

The Biotrickling filter media used are from more inert in-organic naturally occurring materials or inert engineered synthetic media of high specific surface area, the, media often plays a fundamental role in creating an ideal environment and conditions for the growth of micro-organism’s.

Air Clean is the exclusive distributor of the Mónashell® bio trickling system, patented by Irish company Bord na Mona.

Thanks to the effect of the calcium carbonate in the shells, this system is able to treat concentrated levels of hydrogen sulfide.

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