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An integration process of vacuum residue FCC(VRFCC)and moderate pressure hydro cracking(RMC),developed by RIPP and BDI,opens a new route for maximizing production of both high value products and the feed for steam cracking(SC).VRFCC technology has been put on stream at Yanshan Petrochemical Co (YPC)since November 1998.A 79 2%(mass percent)high value product(LPG+GSL+LCO)was surprisingly made on the test run from a resid feedstock of 85 0%(mass percent)Daqing crude VR content.No facility coking was found during the operation.RMC is a renovating moderate pressure hydrocracking technology,the end point of the heavy VGO feed is as high as 534 ℃,and the RMC catalyst performance shows high hydrodenitrogenation activity and high ring opening selectivity.The process highlights the flexibility of product slates——maximum premium mid distillates yield(38 0%(mass percent))and/or maximum hydro unconverted bottoms(Hydro BTMs)yield(50%～70%(mass percent)).Over 30%(mass percent)ethylene was produced from SC process based on Hydro BTMs feed. The application of VRFCC/RMC integration at YPC not only covers the shortages of SC feed for 660 kt/a ethylene production capacity,but also increases the total yield of premium fuel products.
An integration process of vacuum residue FCC (VRFCC) and moderate pressure hydro cracking (RMC), developed by RIPP and BDI, opens a new route for maximizing production of both high value products and the feed for steam cracking (SC) .VRFCC technology has was put on stream at Yanshan Petrochemical Co (YPC) since November 1998. A 79 2% (mass percent) high value product (LPG + GSL + LCO) was surprisingly made on the test run from a residue feedstock of 85 0% (mass percent) Daqing crude VR content. Facility coking was found during the operation. RMC is a renovating moderate pressure hydrocracking technology, the end point of the heavy VGO feed is as high as 534 ° C, and the RMC catalyst performance shows high hydrodenitrogenation activity and high ring opening selectivity. process highlights the flexibility of product slates - maximum premium mid distillate yield (38 0% (mass percent)) and / or maximum hydro unconverted bottoms (hydro BTMs) yield (50% to 70% )). Over 30% (mass percent) ethy The application of VRFCC / RMC integration at YPC not only covers the short feed of SC feed for 660 kt / a ethylene production capacity, but also increases the total yield of premium fuel products.