Qilu Petrochemical Company in order to synchronize the replacement of catalysts in the upflow reactor (UFR) and fixed-bed reactors and achieve the 1.5-year operating cycle of the residue hydrotreating unit has revampe...Qilu Petrochemical Company in order to synchronize the replacement of catalysts in the upflow reactor (UFR) and fixed-bed reactors and achieve the 1.5-year operating cycle of the residue hydrotreating unit has revamped the UFR and optimized catalysts grading. Commercial operation results have revealed that the series of catalysts for residue hydrotreating after optimized grading achieved an operating cycle of 1.5 years with the quality of hydrotreated oil products meeting the requirements for FCC feedstock.展开更多
文摘Qilu Petrochemical Company in order to synchronize the replacement of catalysts in the upflow reactor (UFR) and fixed-bed reactors and achieve the 1.5-year operating cycle of the residue hydrotreating unit has revamped the UFR and optimized catalysts grading. Commercial operation results have revealed that the series of catalysts for residue hydrotreating after optimized grading achieved an operating cycle of 1.5 years with the quality of hydrotreated oil products meeting the requirements for FCC feedstock.