METHOD FOR PRODUCING FLUIDIZED CATALYTIC CRACKING GASOLINE

• Main Authors: NAGAMINE MASATO, HIRAMATSU YOSHIBUMI, OKEGAWA TAKETOSHI
• Format: Patent
• Language: English; Japanese
• Published: 19.11.2020
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; CRACKING HYDROCARBON OILS; FUELS; LUBRICANTS; METALLURGY; MINERAL WAXES; PEAT; PERFORMING OPERATIONS; PETROLEUM, GAS OR COKE INDUSTRIES; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; TECHNICAL GASES CONTAINING CARBON MONOXIDE; THEIR RELEVANT APPARATUS; TRANSPORTING

To provide a method for producing fluidized catalytic cracking gasoline capable of improving the yield of the fluidized catalytic cracking gasoline.SOLUTION: A method for producing fluidized catalytic cracking gasoline comprises operating, with regard to a plurality of measuring points in a horizontal cross section of at least one height up to a height 4 times the diameter of a reaction tube with the height of a raw material oil supply part in a reaction tower of a fluidized catalytic cracking apparatus, such that by using the intensity of radiation measured by γ-ray irradiation as a catalyst concentration in the plurality of measuring points, the ratio of a standard deviation of the catalyst concentration in the cross section to an average value of the catalyst concentration in the cross section is ±53.5% or less.SELECTED DRAWING: Figure 1 【課題】流動接触分解ガソリンの得率を向上し得る、流動接触分解ガソリンの製造方法を提供する。【解決手段】流動接触分解装置の反応塔における原料油供給部の高さを基準として反応管の直径に対する４倍の高さまでの少なくとも一の高さの水平方向の断面における複数の測定点について、γ線照射により測定される放射線の強度を当該複数の測定点の触媒濃度として、当該断面における触媒濃度の平均値に対する当該断面における触媒濃度の標準偏差の割合が±５３．５％以下となるように運転する、流動接触分解ガソリンの製造方法である。【選択図】図１