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    • 71. 发明申请
    • Multi-Staged Hydroprocessing Process And System
    • 多级加氢处理和系统
    • US20090321319A1
    • 2009-12-31
    • US12165522
    • 2008-06-30
    • Peter KokayeffCharles P. LuebkeJohn Anthony Petri
    • Peter KokayeffCharles P. LuebkeJohn Anthony Petri
    • C10G45/00B01J19/00
    • C10G65/00C10G65/12
    • Methods and systems of processing a hydrocarbonaceous feed stock flows are provided. In one aspect, the method includes providing two or more hydroprocessing stages disposed in sequence, each hydroprocessing stage having a hydroprocessing reaction zone with a hydrogen requirement and each stage in fluid communication with the preceding stage. A hydrogen source is provided substantially free of hydrogen from a hydrogen recycle compressor. The hydrocarbonaceous feed stock flow is separated into an portions of fresh feed for each hydroprocessing stage, and then supplying the first portion of fresh feed with hydrogen from the hydrogen source in an amount satisfying substantially all of the hydrogen requirements of the hydroprocessing stages to a first hydroprocessing zone.
    • 提供了处理含烃原料流的方法和系统。 一方面,该方法包括提供依次设置的两个或多个加氢处理阶段,每个加氢处理阶段具有氢需求的加氢处理反应区,每个阶段与前一阶段流体连通。 从氢循环压缩机中提供基本上不含氢气的氢源。 将烃类原料流分离成每个加氢处理阶段的新鲜进料的一部分,然后将来自氢源的新鲜进料的第一部分以满足加氢处理阶段的基本上所有氢气需求的量供应到第一 加氢处理区。
    • 72. 发明申请
    • Hydrocarbon Conversion Process To Decrease Polyaromatics
    • 烃转化过程降低多元芳烃
    • US20090095652A1
    • 2009-04-16
    • US11872140
    • 2007-10-15
    • Peter KokayeffLaura Elise LeonardMichael Roy Smith
    • Peter KokayeffLaura Elise LeonardMichael Roy Smith
    • C10G69/02
    • C10G65/12C10G2400/04
    • A process is provided for producing low sulfur diesel having a reduced poly-aromatic level where at least a portion of the poly-aromatics are converted to mono-aromatics. In one aspect, the process separates the temperature and pressure requirements for obtaining low levels of sulfur from the temperature and pressure requirements to saturate poly-aromatics to mono-aromatics. By one approach, the process first converts a diesel boiling range hydrocarbon stream in a hydrotreating zone at conditions effective to produce a hydrotreating zone effluent having a reduced concentration of sulfur with minimal saturation of poly-aromatics. Hydrogen is then admixed in the hydrotreating zone effluent or at least a portion thereof, which is then reacted in a substantially liquid-phase continuous reaction zone to effect saturation of poly-aromatics to provide a liquid-phase continuous reaction zone effluent having a reduced level of poly-aromatics relative to the diesel feed.
    • 提供了一种制备具有降低的聚芳族水平的低硫柴油的方法,其中至少一部分多芳族化合物转化为单芳族化合物。 在一个方面,该方法将温度和压力要求从温度和压力要求中分离出来以获得低水平的硫,从而将多芳族化合物饱和至单芳族化合物。 通过一种方法,该方法首先将加氢处理区中的柴油沸程烃流转化成有效地产生具有降低的硫浓度并且具有最小的多芳族化合物饱和度的加氢处理区流出物的条件。 然后将氢混合在加氢处理区流出物或其至少一部分中,然后将其在基本上液相的连续反应区中反应以实现多芳族化合物的饱和,以提供具有降低水平的液相连续反应区流出物 的多芳烃相对于柴油进料。