DuPont Clean Technologies is pleased to announce the successful performance test of a 3.4 million tons/year IsoTherming® diesel hydrogenation (DHT) unit by CNOOC Huizhou Petrochemicals Co., Ltd. at its Huizhou refinery in Guangdong, China. CNOOC completed calibration of the IsoTherming® DHT unit at 100% load in the third quarter of 2018, with the system meeting all design requirements and product quality targets. Earlier in 2018, the refinery also successfully started up a 2.6 million tons/year IsoTherming® vacuum gas oil (VGO) hydrogenation unit.