论文部分内容阅读
The novel FDFCC grid packing stripper is used to raise the stripping efficiency of the equipment. This technology aims to increase the gas-solid contact area and improve the gas-solid contact efficiency.This technology has been applied in the revamped 1.05 Mt/a No.1 FCC unit at the SINOPEC Changling Branch Company.The outcome on application of this equipment has revealed that the fluidization of the stripper was stable coupled with smooth operation.At a steam stripping load of less than 50% of the design value the spent catalyst had a lower H/C ratio,and the hydrogen content in the coke after revamp of the FCC unit decreased by 8.1% compared to the case before the equipment revamp.The spent catalyst had higher activity with the dry gas and coke yields reduced by over 0.5%,resulting in goodeconomic benefits.
The novel FDFCC grid packing stripper is used to raise the stripping efficiency of the equipment. This technology aims to increase the gas-solid contact area and improve the gas-solid contact efficiency. This technology has been applied in the revamped 1.05 Mt / a No .1 FCC unit at the SINOPEC Changling Branch Company. The outcome on application of this equipment has been revealed that the fluidization of the stripper was stable coupled with smooth operation. At a steam stripping load of less than 50% of the design value the spent catalyst had a lower H / C ratio, and the hydrogen content in the coke after revamp of the FCC unit decreased by 8.1% compared to the case before the equipment revamp. spent principle had higher activity with the dry gas and coke caused less by 0.5%, resulting in goodeconomic benefits.