A plant (10) for oxidization using ozone and the abatement thereof, which can be used to decontaminate by means of oxidization objects contained in an oxidization treatment cell (12), comprises an ozone generator (14) fed in input by a stream of air (A), an ozone abatement cell (30) disposed downstream of the oxidization treatment cell (12) in order to receive the stream of ozone (F) which passes into the oxidization treatment cell (12) before being discharged into the environment, and a heat pump (23) which cooperates on one side with the oxidization treatment cell (12) and on the other side cooperates with the abatement cell (30).
