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    • 1. 发明授权
    • Production of low sulfur fuels using improved hydrocracker post-treatment catalyst
    • 使用改进的加氢裂化器后处理催化剂生产低硫燃料
    • US07713407B2
    • 2010-05-11
    • US11446251
    • 2006-06-02
    • William J. Tracy, IIIChuansheng BaiRobert A. BradwayWilliam E. LewisRandolph J. Smiley
    • William J. Tracy, IIIChuansheng BaiRobert A. BradwayWilliam E. LewisRandolph J. Smiley
    • C10G65/00C10G69/00
    • C10G65/12B01J23/883B01J23/8885B01J31/10C10G45/08
    • A hydrocracking process for converting a petroleum feedstock to higher gravity, lower sulfur products, especially ultra low sulfur road diesel fuel. The process may be operated as a single-stage or two-stage hydrocracking. In each case, a hydrocracking step is followed directly by a post-treat hydrodesulfurization zone using a bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least two Group VIB metals with a ratio of Group VIB metal to Group VIII non-noble metal is from about 10:1 to about 1:10. In the two-stage option with interstage ammonia removal, the initial hydrocracking step may be followed by hydrodesulfurization using the bulk multimetallic catalyst prior to the ammonia removal which is followed by the second hydrocracking step. A final hydrodesulfurization over the bulk multimetallic catalyst may follow. The hydrodesulfurization over the bulk multimetallic catalyst is carried out at a pressure of at least 25 barg and preferably at least 40 barg.
    • 用于将石油原料转化为更高重力,较低硫产物,特别是超低硫道路柴油的加氢裂化方法。 该方法可以作为单级或两级加氢裂化来操作。 在每种情况下,加氢裂化步骤直接通过后处理加氢脱硫区,使用由至少一种VIII族非贵金属和至少两种VIB族金属与VIII族的VIB族金属组成的本体多金属催化剂 非贵金属为约10:1至约1:10。 在阶段氨除去的两阶段选择中,初始加氢裂化步骤之后可以在除氨之前使用大量多金属催化剂进行加氢脱硫,其后是第二加氢裂化步骤。 可以遵循大量多金属催化剂的最终加氢脱硫。 本体多金属催化剂上的加氢脱硫在至少25barg,优选至少40barg的压力下进行。
    • 2. 发明申请
    • Hydrocracker post-treat catalyst for production of low sulfur fuels
    • 用于生产低硫燃料的加氢裂化器后处理催化剂
    • US20070278135A1
    • 2007-12-06
    • US11446251
    • 2006-06-02
    • William J. TracyChuansheng BaiRobert A. BradwayWilliam E. LewisRandolph J. Smiley
    • William J. TracyChuansheng BaiRobert A. BradwayWilliam E. LewisRandolph J. Smiley
    • C10G65/00C10G69/00
    • C10G65/12B01J23/883B01J23/8885B01J31/10C10G45/08
    • A hydrocracking process for converting a petroleum feedstock to higher gravity, lower sulfur products, especially ultra low sulfur road diesel fuel. The process may be operated as a single-stage or two-stage hydrocracking. In each case, a hydrocracking step is followed directly by a post-treat hydrodesulfurization zone using a bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least two Group VIB metals with a ratio of Group VIB metal to Group VIII non-noble metal is from about 10:1 to about 1:10. In the two-stage option with interstage ammonia removal, the initial hydrocracking step may be followed by hydrodesulfurization using the bulk multimetallic catalyst prior to the ammonia removal which is followed by the second hydrocracking step. A final hydrodesulfurization over the bulk multimetallic catalyst may follow. The hydrodesulfurization over the bulk multimetallic catalyst is carried out at a pressure of at least 25 barg and preferably at least 40 barg.
    • 用于将石油原料转化为更高重力,较低硫产物,特别是超低硫道路柴油的加氢裂化方法。 该方法可以作为单级或两级加氢裂化操作。 在每种情况下,加氢裂化步骤直接通过后处理加氢脱硫区,使用由至少一种VIII族非贵金属和至少两种VIB族金属与VIII族的VIB族金属组成的本体多金属催化剂 非贵金属为约10:1至约1:10。 在阶段氨除去的两阶段选择中,初始加氢裂化步骤之后可以在除氨之前使用大量多金属催化剂进行加氢脱硫,其后是第二加氢裂化步骤。 可以遵循大量多金属催化剂的最终加氢脱硫。 本体多金属催化剂上的加氢脱硫在至少25barg,优选至少40barg的压力下进行。
    • 5. 发明授权
    • Hydroprocessing reactor and process with gas and liquid quench
    • 加氢处理反应器及工艺与气液淬火
    • US06299759B1
    • 2001-10-09
    • US09023734
    • 1998-02-13
    • Robert A. BradwayYingyen P. Tsao
    • Robert A. BradwayYingyen P. Tsao
    • C10G6502
    • B01J8/0496B01J8/0453B01J8/0492B01J10/007B01J2208/00327C10G49/002C10G65/12
    • A method and reactor system for catalytic hydrotreating and hydrocracking liquid hydrocarbon feedstock for producing a cracked liquid feedstock having a reduced contaminant level involves introducing the feedstock into the first reaction zone of a reactor system having a plurality of successive reaction zones, each reaction zone having a hydroprocessing catalyst bed therein, at least the first reaction zone comprising a hydrotreating reaction zone and at least one downstream reaction zone comprising a hydrocracking reaction zone, introducing hydrogen gas into the reactor system for flow through and over the catalyst beds in contact with the liquid in the reaction zones, the hydrogen exothermically reacting with the liquid in the reaction zones for producing an effluent for each reaction zone having a temperature greater than the temperature of the influent feedstock to that reaction zone, introducing liquid feedstock having the same composition as the liquid feedstock introduced into the first reaction zone into at least one quench zone downstream of the first reaction zone for admixing with the effluent from the immediately upstream reaction zone, the introduced liquid feedstock having a feed rate and a temperature sufficient to reduce the temperature of the effluent, and injecting quench gas into each quench zone in an amount sufficient, in combination with the effluent from the immediately upstream reaction zone and any introduced liquid feedstock, to reduce the temperature of effluent to within a predetermined range, and recovering the effluent product from the last reaction zone.
    • 用于生产具有降低的污染物水平的裂化液体原料的催化加氢处理和加氢裂化液体烃原料的方法和反应器系统包括将原料引入具有多个连续反应区的反应器系统的第一反应区,每个反应区具有 至少第一反应区包括加氢处理反应区和至少一个包含加氢裂化反应区的下游反应区,将氢气引入反应器系统中,以流过和接触液体的催化剂床 反应区,氢与反应区中的液体放热反应,用于产生每个反应区的流出物,其温度大于进入该反应区的流入物的温度,引入具有与液体原料相同组成的液体原料 引入t 他的第一反应区进入第一反应区下游的至少一个骤冷区,以与来自紧邻的上游反应区的流出物混合,引入的液体原料具有足以降低流出物温度的进料速率和温度, 以足够的量将骤冷气体与来自紧邻的上游反应区和任何引入的液体原料的流出物结合,以将流出物的温度降低到预定范围内,并从最后的反应区回收流出物 。