Method and apparatus for removing high concentration ozone from a waste gas steam

A method for removing high concentration ozone from a waste gas stream is disclosed, which includes the following steps: (1) providing an apparatus, which includes: a tank having an input port, an exhaust port and a packing, wherein the input port is near the bottom of the tank, the exhaust port is on the top of the tank, and the packing is contained in the tank; a liquid injection element for injecting reductant solution through the packing; and a storage vessel connecting to the liquid injection element; (2) transporting a gas into the tank through the input port for contacting the reductant solution; and (3) the gas exiting the reactor by way of the exhaust port.