CGO were hydrotreated by RN 2 catalyst to remove N and S impurities and improve the quality.The hydrotreated CGO was proposed to be mixed with VGO as FCC feedstock after testing in the pilot plant.

• 采用脱氮活性高的RN-2催化剂对管输油的焦化蜡油进行加氢处理，脱除其中的氮、硫等杂质及改善烃类组成后，进行催化裂化或与直馏蜡油混合作催化裂化进料。