Trevi’s Ethylene Oxide abatement scrubbers

Setting the standard in Ethylene Oxide abatement

Trevi delivers proven Ethylene Oxide (EtO) abatement systems that surpass the strictest requirements. With over 110 installations worldwide over the last 30 years, our technologies ensure safe, efficient, and compliant EtO removal for every EtO concentration and gas flow.

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Our solution for every EtO loaded waste gas

Photo of a Trevi acid wet scrubber for Ethylene Oxide, using sulphuric acid to capture EtO.

AcEtO – Acid scrubber
Photo of Trevi’s Smart scrubber for Ethylene Oxide

SwEtO – Smart scrubber
Trevi’s BEtOfilter biofilter for Ethylene Oxide, an eco-friendly air treatment unit operating at ambient temperature to degrade EtO into CO2 and water.

BEtO – Biofilter
Trevi’s dry scrubber for Ethylene Oxide; a compact, solid-media scrubber system operating at room temperature

DEtO – Dry scrubber

Which Trevi system fits your situation?

Low to very high gas flows and low to very high EtO concentrations

Very high air flow and low EtO concentrations

Low gas flows and low EtO concentrations

Photo of Trevi’s Smart scrubber for Ethylene Oxide

Smart scrubber for Ethylene Oxide

Trevi’s Smart scrubber uses water and a solid catalyst instead of acid. This eliminates acid handling, storage, and disposal, while maintaining removal efficiencies up to 99.9999%. Ideal for facilities seeking a safer and more sustainable solution.

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Photo of a Trevi acid wet scrubber for Ethylene Oxide, using sulphuric acid to capture EtO.

Acid wet scrubber for Ethylene Oxide

Acid gas scrubbing transfers EtO from the gas phase to the acid liquid phase, where it is hydrolyzed into ethylene glycol. Suited for low to very high EtO concentrations and gas flows, this system delivers robust, proven performance.

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Trevi’s BEtOfilter biofilter for Ethylene Oxide, an eco-friendly air treatment unit operating at ambient temperature to degrade EtO into CO2 and water.

BEtOfilter for Ethylene Oxide

The BEtOfilter converts EtO into CO₂ and H₂O at ambient temperature, without chemicals or natural gas. It is the eco-friendly choice for low concentrations and very high airflows, such as aeration room exhausts.

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Map of the United States showing regions with strict Ethylene Oxide (EtO) emission regulations, where Trevi provides compliant abatement solutions.

Meeting U.S. sterilization emissions standards with confidence

Trevi helps U.S. sterilization facilities comply with the latest EPA rules. Our scrubber systems achieve up to 99.9999% removal, reduce risk, and protect both workers and communities.

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Trevi’s dry scrubber for Ethylene Oxide; a compact, solid-media scrubber system operating at room temperature

Dry Scrubber for Ethylene Oxide

Trevi’s Dry scrubber captures and destroys EtO at room temperature using proprietary solid media. Compact and low-maintenance, it ensures consistent >99% removal and is the perfect polishing step after a BEtOfilter.

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A Trevi environmental engineer consulting with a client about Ethylene Oxide abatement solutions