The invention relates to a method for treating a gaseous medium containing
contaminating particles, such as microorganisms, bacteria, or viruses.
The inventive method consists of generating an accelerated electron flux;
the electron flux interacting with the gaseous medium, whereby the
particles are broken or destroyed by ionization as a result of the
interaction and the gaseous medium is sterilized. The invention can be
used to treat the atmospheres of refrigerated vessels in refrigerators.