The invention relates to a container treatment plant (100) for treating containers, such as bottles, in the beverage processing industry, comprising a chlorine dioxide generator (101), a chlorine dioxide consumer (112, 113, 114), which comprises at least one container treatment machine, in particular a pasteurizer, such as a tunnel pasteurizer, and a metering device (102) which can introduce a solution into the chlorine dioxide consumer, said solution being produced in the chlorine dioxide generator and containing chlorine dioxide, wherein the chlorine dioxide generator is designed to produce chlorine dioxide due to a reaction between the sodium chlorite and sulfuric acid.