Overtime performance with minimal maintenance costs is an essential criteria in a fast paste working plants within pet food industry. Centriair AB uses different systematic approaches to eliminate potential nuisance from malodour in pet food manufacturing. Our solutions effectively eliminate almost all odour emissions at significantly lower energy use compared to thermal oxidation. ColdOxTM system is the best solution for pet food industry as it is based on oxidation of volatile compounds through the use of high intensity UV, excess ozone, and photo chemical oxidation supported by special purpose catalysts. The system achieves up to 98% performance rate at any temperatures with a minimum energy requirement.