PETROLEUM PROCESSING AND PETROCHEMICALS ›› 2025, Vol. 56 ›› Issue (2): 32-39.
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Abstract: In order to meet the market demand, SINOPEC Research Institute of Petroleum Processing Co., Ltd.has developed a hydrocracking technology for producing high-quality lubricating base oil feedstock and clean fuels simultaneously. The hydrocracking catalyst RHC-131 in conjunction with this technology mentioned above has the characteristics of high ring opening cracking selectivity and high middle distillate selectivity, and is suitable for producing tail oil rich in alkanes and clean fuels. The pilot test results show that this technology has achieved the goal of simultaneously producing low BMCI and high alkane content tail oil, which can be used to produce lubricating base oil with high viscosity index, and clean fuel with high yield and excellent quality from Middle East VGO. The commercial application results show that this technology can process the high nitrogen Middle East VGO, with a tail oil yield of about 31% and a diesel yield of 50.06%. The diesel properties could meet the China Ⅵ standard. The tail oil viscosity index can reach 143.
Key words: hydrogen cracking, lubricating base oil, clean fuel, viscosity index
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