The development stages:Awaiting construction decision/2017-01.The project calls for the engineering, procurement, and construction of a new process unit at the National Petroleum Company's refinery located in Biobío. It includes services to install a new flue gas steam generator, a wet gas scrubber and purge treatment unit to treat residual gas generated in the refinery's fluid catalytic cracker that will reduce air emissions. It also involves the interconnections between the new and existing unit.