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    • 1. 发明授权
    • Conversion of refinery C5 paraffins into C4 and C6 paraffins
    • 炼油厂C5石蜡转化为C4和C6链烷烃
    • US06566569B1
    • 2003-05-20
    • US09603489
    • 2000-06-23
    • Cong-Yan ChenDennis J. O'RearScott R. Brundage
    • Cong-Yan ChenDennis J. O'RearScott R. Brundage
    • C07C500
    • B01J23/6527B01J35/0006C10G45/58C10G59/00Y02P20/582
    • A process for preparing a C4- product stream and a C6+ product stream is disclosed. The process involves contacting a C5 containing paraffinic feedstock with a catalyst that includes a hydrogenation/dehydrogenation catalyst and an olefin metathesis catalyst under conditions which dehydrogenate the paraffins to olefins. The olefins are then metathesized and rehydrogenated to provide a product stream. A C4- fraction and a C6+ fraction can each be isolated from the product stream. The C4- fraction can be used, for example, in an alkylation reaction to provide compounds useful in gasoline compositions. Unconverted C5 paraffins can be recycled. The C6+ fraction can be used, for example, as solvents. Alternatively, they can be isomerized to form gasoline additives, or can be converted to aromatic compounds via reforming, for example, using conventional reforming techniques, preferably using the AROMAX™ process or traditional rheniforming conditions.
    • 公开了一种制备C4-产物流和C6 +产物流的方法。 该方法包括使含有C5的石蜡原料与包含氢化/脱氢催化剂和烯烃复分解催化剂的催化剂在使链烷烃脱氢成烯烃的条件下接触。 然后将烯烃进行复合和再氢化以提供产物流。 可以从产物流中分离出C4馏分和C6 +馏分。 C4馏分可用于例如烷基化反应以提供可用于汽油组合物中的化合物。 未转化的C5石蜡可以回收利用。 C6 +馏分可以用作例如溶剂。 或者,它们可以被异构化以形成汽油添加剂,或者可以通过重整转化为芳族化合物,例如使用常规的重整技术,优选使用AROMAX TM方法或传统的强化条件。
    • 3. 发明授权
    • Process for improving production of Fischer-Tropsch distillate fuels
    • 改进费 - 托馏分燃料生产的方法
    • US06824574B2
    • 2004-11-30
    • US10267444
    • 2002-10-09
    • Dennis J. O'RearThomas Van HarrisCong-Yan Chen
    • Dennis J. O'RearThomas Van HarrisCong-Yan Chen
    • C10L118
    • C10L1/026
    • Olefins and alcohols present in Fischer-Tropsch light naphthas are converted to dialkyl ethers of the formula: R—O—R′ where R and R′ are each primarily non-tertiary alkyl groups of more than four carbon atoms, via hydration of the olefins to alcohols followed by dehydration of the alcohols. Ethers may also form by direct reaction of olefins and alcohols. The ethers are separated from the remaining paraffins in the naphtha by distillation and added in an amount of 1-25 wt. % to paraffinic mid-distillate fuel components obtained by hydrotreating a Fischer-Tropsch product. The properties of the distillate fuel components such as lubricity and seal swell are improved by the dialkyl ethers. The removal of olefins and alcohols from the naphthas reduces refining and lead to a more salable product.
    • 存在于费 - 托轻石脑油中的烯烃和醇转化为下式的二烷基醚:ROR',其中R和R'各自主要是具有四个以上碳原子的非叔烷基,通过将烯烃水合成醇, 醇的脱水。 醚也可以通过烯烃和醇的直接反应形成。 通过蒸馏将醚与石脑油中的剩余链烷烃分离,并以1-25重量%的量加入。 %对通过加氢处理费 - 托产物而获得的链烷烃中间馏分燃料组分。 通过二烷基醚改善馏出物燃料组分的性质,如润滑性和密封膨胀。 从石脑油中除去烯烃和醇可以减少精炼并导致更可销售的产品。
    • 9. 发明授权
    • Low melting point triglycerides for use in fuels
    • 用于燃料的低熔点甘油三酸酯
    • US08361172B2
    • 2013-01-29
    • US12639662
    • 2009-12-16
    • Dennis J. O'Rear
    • Dennis J. O'Rear
    • C10L1/18
    • C10L1/02C10L1/191C10L10/08
    • In the present invention, a fuel composition and a process for making the same are disclosed. Specifically, in the present invention, triglycerides useful for distillate fuels are described along with their method for preparation from Fischer-Tropsch acid by-products and the glycerol by-product from biodiesel generation. By using these two by-product streams, the overall efficiency of both processes is improved and a new source of distillate fuels is created. These triglycerides can be used to improve the lubricity of Fischer-Tropsch derived distillate fuels. In addition, these triglycerides also have low melting points and have viscosities compatible with distillate fuels.
    • 在本发明中,公开了燃料组合物及其制造方法。 具体地说,在本发明中,描述了用于馏出燃料的甘油三酯及其从费 - 托副产物和来自生物柴油生成的甘油副产物的制备方法。 通过使用这两个副产物流,两个过程的总体效率得到提高,并产生了新的馏出燃料来源。 这些甘油三酯可用于提高费 - 托衍生的馏出燃料的润滑性。 此外,这些甘油三酸酯也具有低熔点并且具有与馏出物燃料相容的粘度。
    • 10. 发明授权
    • Low melting point triglycerides for use in fuels
    • 用于燃料的低熔点甘油三酸酯
    • US08324413B2
    • 2012-12-04
    • US12639714
    • 2009-12-16
    • Dennis J. O'Rear
    • Dennis J. O'Rear
    • C11C3/00
    • C10L1/026C07C67/03C10G2300/1011C11C3/003Y02E50/13Y02P30/20C07C69/52
    • In the present invention, a fuel composition and a process for making the same are disclosed. Specifically, in the present invention, triglycerides useful for distillate fuels are described along with their method for preparation from Fischer-Tropsch acid by-products and the glycerol by-product from biodiesel generation. By using these two by-product streams, the overall efficiency of both processes is improved and a new source of distillate fuels is created. These triglycerides can be used to improve the lubricity of Fischer-Tropsch derived distillate fuels. In addition, these triglycerides also have low melting points and have viscosities compatible with distillate fuels.
    • 在本发明中,公开了燃料组合物及其制造方法。 具体地说,在本发明中,描述了用于馏出燃料的甘油三酯及其从费 - 托副产物和来自生物柴油生成的甘油副产物的制备方法。 通过使用这两个副产物流,两个过程的总体效率得到提高,并产生了新的馏出燃料来源。 这些甘油三酯可用于提高费 - 托衍生的馏出燃料的润滑性。 此外,这些甘油三酸酯也具有低熔点并且具有与馏出物燃料相容的粘度。