WILMINGTON, Del., DuPont Clean Technologies (DuPont) is pleased to announce that an IsoTherming® hydrotreating unit installed at the CNOOC Huizhou Refinery in Guangdong Province, China has successfully completed its performance test, certifying that the unit is meeting performance guarantees. The IsoTherming® VGO hydrotreater at CNOOC is designed to process 51,419 bpsd (2,600 kmta) of a vacuum gasoil feedstock as feed for the FCC unit. The IsoTherming® hydrotreater was designed for output of <1000 wppm sulfur and <600 wppm nitrogen.