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    • 3. 发明授权
    • Conversion of Fischer-Tropsch heavy product to high quality jet fuel
    • 费托重产品转化为高品质喷气燃料
    • US4071574A
    • 1978-01-31
    • US671451
    • 1976-03-29
    • Donald MilsteinThomas R. Stein
    • Donald MilsteinThomas R. Stein
    • C10G65/04C10L1/04C07C1/04C10G34/00
    • C10L1/04C10G2400/08Y10S208/95Y10S585/943
    • Upgrading a Fischer-Tropsch synthesis product by separating a 350.degree. to 850.degree. F product fraction thereof into a 650.degree. F minus fraction and a 650.degree. F plus fraction; separating the 650.degree. F minus fraction to provide a more narrow 350.degree. to 650.degree. F fraction; combining the 650.degree. F plus fraction with a portion of the 350.degree. to 650.degree. F fraction to form a wide boiling range feed material; contacting this formed wide boiling range feed material, together with hydrogen, with a special catalyst comprising a crystalline aluminosilicate zeolite having a silica to alumina ratio of at least 12 and a constraint index of 1 to 12, at a temperature of about 500.degree. to 800.degree. F, a hydrogen partial pressure of about 100 to 800 psia and a space velocity of about 0.5 to 5 LHSV to produce a converted product thereof separating the zeolite conversion product to recover a 350.degree. F minus fraction from a 350.degree. F plus fractions; and separating the 350.degree. F plus fraction to recover a 350.degree. to 450.degree. F jet fuel fraction having a freeze point of less than about -58.degree. F.
    • 通过将350至850°F的产物馏分分离成650°F馏分和650°F加馏分来升级费 - 托合成产物; 分离650°F负分数以提供更窄的350°至650°F馏分; 将650°F加成分与350°至650°F馏分的一部分结合形成宽沸程饲料; 使该形成的大沸点范围的原料与氢一起使用包含二氧化硅与氧化铝比至少为12且约束指数为1至12的结晶硅铝酸盐沸石的特殊催化剂在约500至800℃的温度下接触 DEG F,约100至800psia的氢分压和约0.5至5LHSV的空速,以产生其转化产物,分离沸石转化产物以从350°F加馏分回收350°F的负分馏; 并分离350°F加馏分以回收冷冻点小于约-58°F的350°至450°F喷射燃料馏分。
    • 9. 发明授权
    • Conversion of Fischer-Tropsch heavy product to high quality jet fuel
    • 费托重产品转化为高品质喷气燃料
    • US4044064A
    • 1977-08-23
    • US671511
    • 1976-03-29
    • Donald MilsteinThomas R. Stein
    • Donald MilsteinThomas R. Stein
    • C10G45/64C10G65/04F02B3/06C07C1/04
    • C10G65/043C10G45/64F02B3/06Y10S208/95
    • Upgrading a fraction of a heavy Fischer-Tropsch oil to jet fuel by hydropretreating a 350.degree. to 850.degree. F boiling fraction; separating the hydrotreated product into a 650.degree. F minus and a 650.degree. F plus fraction, separating the650.degree. F minus fraction to provide a 350.degree. F minus naphtha boiling range fraction and a 350.degree. to 650.degree. F light distillate fraction; distilling the 350.degree. to 650.degree. F hydrotreated fraction to provide a fraction boiling in the range of 350.degree. F to 550.degree. F separate from a 550.degree. to 650.degree. F fraction processing either of the 650.degree. F plus fraction above separated or the 350.degree. to 550.degree. F boiling fraction above obtained over a catalyst comprising a crystalline aluminosilicate zeolite having a silica to alumina ratio of at least 12 and a constraint index of 1 to 12 with hydrogen, at a temperature of about 500.degree. to 800.degree. F, a hydrogen partial pressure of about 100 to 800 psig and a space velocity in the range of about 0.5 to 5 LHSV to produce a converted product comprising lower boiling hydrocarbons than the feed charged and recovering as a product of the process a reduced pour point diesel oil fraction, a 350.degree. to 550.degree. F jet fuel fraction, and a 350.degree. F minus naphtha product fraction.
    • 通过加氢分解350至850°F的沸点,将一部分重的费 - 托油升级成喷气燃料; 将加氢处理的产物分离成650°F和650°F加馏分,分离出650°F的馏分,得到350°F的减碳馏分沸点馏分和350至650°F馏分馏分。 蒸馏出350°F至650°F的加氢处理馏分,以提供350°F至550°F沸点的馏分,分馏于550°F至650°F馏分,加工分离的650°F加馏分或350 通过包含二氧化硅与氧化铝之比至少为12的结晶硅铝酸盐沸石和氢的约束指数为1至12的催化剂,在约500至800°F的温度下, 约100至800psig的氢分压和约0.5至5LHSV范围内的空速,以产生包含低于加入的原料的低沸点烃的转化产物,并将该还原的倾点柴油作为该方法的产物回收 馏分,350〜550°F的燃油馏分和350°F的减碳馏出物馏分。