Abstract: A method and a device for the removal of ethylene oxide gas present at high concentrations, for example, 1,000 to 1,000,000 ppm, in exhaust gas is described, which is especially suitable for exhaust gases of gas sterilization chambers. It is suggested to adsorb ethylene oxide from the exhaust gas with a dry adsorbing medium. In an alternative it is suggested to absorb and/or catalytically convert ethylene oxide with an absorbing medium and/or a catalyst carrier in the presence of water and a catalyst. A further variant of the method suggests to oxidize or reduce ethylene oxide by adding an oxidizing or reducing agent and water in the presence of a carrier for the oxidizing or reducing agent, whereby the carrier, depending on the oxidizing or reducing agent used, acts simultaneously as a catalyst and/or filling material.