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    • 2. 发明授权
    • Synthetic hydrocarbon products
    • 合成烃产品
    • US07345211B2
    • 2008-03-18
    • US10886861
    • 2004-07-08
    • Rafael L. EspinozaKeith H. Lawson
    • Rafael L. EspinozaKeith H. Lawson
    • C10L1/04C10G55/04
    • C10G63/04C10G2400/04C10L1/08Y10S208/95
    • The invention includes a process for producing synthetic middle distillates and synthetic middle distillates produced therefrom. In one embodiment, the process comprises fractionating a hydrocarbon synthesis product to at least generate a light middle distillate, a heavy middle distillate, and a waxy fraction; thermally cracking the waxy fraction; and isomerizing the heavy middle distillate. A synthetic diesel or blending component is formed by the combination of at least a portion of the light middle distillate; at least a portion or fraction of the thermally cracked product; and at least a portion or fraction of the isomerized product. In some embodiments, the hydrocarbon synthesis product and/or the thermally cracked product may be hydrotreated. In other embodiments, a synthetic middle distillate comprises at least two fractions: a light fraction with not more than 10% branched hydrocarbons, and a heavy fraction with at least 30% branched hydrocarbons.
    • 本发明包括一种生产合成中间馏分和由其制备的合成中间馏分的方法。 在一个实施方案中,该方法包括将烃合成产物分馏至少产生轻质中间馏分,重质中间馏分和蜡状馏分; 热裂解蜡质部分; 并使重质中间馏分异构化。 合成柴油或共混组分通过至少部分轻质中间馏分的组合形成; 所述热裂化产品的至少一部分或部分; 和至少一部分或部分的异构化产物。 在一些实施方案中,烃合成产物和/或热裂化产物可以被加氢处理。 在其它实施方案中,合成中间馏分包含至少两个馏分:具有不超过10%支链烃的轻馏分和具有至少30%支链烃的重馏分。
    • 3. 发明授权
    • Octane improvement of a hydrocarbon stream
    • 辛烷值改善烃流
    • US07541504B2
    • 2009-06-02
    • US11050188
    • 2005-02-03
    • Priya RangarajanSteven R. McDonaldJoe D. AllisonKeith H. LawsonOluwaseyi A. OdueyungboDoug S. JackRafael L. Espinoza
    • Priya RangarajanSteven R. McDonaldJoe D. AllisonKeith H. LawsonOluwaseyi A. OdueyungboDoug S. JackRafael L. Espinoza
    • C07C15/00C07C4/04
    • C10G59/00
    • The invention relates to methods for improving the octane number of a synthetic naphtha stream and optionally for producing olefins and/or solvents. In one embodiment, the method comprises aromatizing at least a portion of a synthetic naphtha stream to produce an aromatized hydrocarbon stream; and isomerizing at least a portion of the aromatized hydrocarbon stream to produce an isomerized aromatized hydrocarbon stream having a higher octane rating than the synthetic naphtha stream. Alternatively, the method comprises providing at least three synthetic naphtha cuts comprising a C4-C5 stream; a C6-C8 stream and a C9-C11 stream; aromatizing some of the C6-C8 stream to form an aromatized hydrocarbon stream with a higher octane number; steam cracking some of the C6-C8 stream and optionally the C9-C11 stream to form olefins; and selling some portions of C9-C11 stream as solvents. In preferred embodiments, the synthetic naphtha is derived from Fischer-Tropsch synthesis.
    • 本发明涉及用于改进合成石脑油流的辛烷值并任选地用于生产烯烃和/或溶剂的方法。 在一个实施方案中,该方法包括将至少一部分合成石脑油流芳构化以产生芳族烃流; 并使至少一部分芳构化烃物流异构化以产生具有比合成石脑油流更高辛烷值的异构化芳构化烃物流。 或者,该方法包括提供包含C4-C5流的至少三个合成石脑油切割; C6-C8流和C9-C11流; 使一些C 6 -C 8流芳构化以形成具有较高辛烷值的芳构化烃流; 蒸汽裂解一些C6-C8流和任选的C9-C11流以形成烯烃; 并将C9-C11流的一些部分作为溶剂出售。 在优选的实施方案中,合成石脑油衍生自费 - 托合成。
    • 5. 发明授权
    • Optimization of gas-to-liquids hydrocracker
    • 气 - 液加氢裂化器的优化
    • US07282139B2
    • 2007-10-16
    • US10886249
    • 2004-07-07
    • Rafael L. EspinozaKeith H. LawsonJianping Zhang
    • Rafael L. EspinozaKeith H. LawsonJianping Zhang
    • C10G47/00
    • C10G47/36Y10S208/95
    • A method for optimal production of synthetic diesel and naphtha from a hydrocracker includes hydrocracking a synthetic heavy hydrocarbon feed comprising an α value so as to form a diesel and a naphtha; selecting a desired diesel-to-naphtha ratio; calculating, based on the feed α and the desired diesel-to-naphtha ratio, a target molar ratio of hydrocarbons exiting to hydrocarbons entering the hydrocracker; and adjusting at least one hydrocracking conversion promoting condition so as to achieve said target molar ratio. The present invention further relates to a method for adjusting the overall production of a syngas-to-synthetic hydrocarbons plant in response to market conditions, comprising adjusting at least one hydrocracking conversion promoting condition and/or at least one conversion promoting condition within a Fischer-Tropsch reactor so as to maintain the overall diesel-to-naphtha ratio or to maintain a diesel production rate within a predetermined range of a desired value.
    • 从加氢裂化器最佳生产合成柴油和石脑油的方法包括加氢裂解包含α值的合成重质烃进料,以形成柴油和石脑油; 选择所需的柴油与石脑油比; 基于进料α和所需柴油与石脑油比计算出离开进入加氢裂化器的烃的烃的目标摩尔比; 并调节至少一种加氢裂化转化促进条件以达到所述目标摩尔比。 本发明还涉及一种用于响应于市场条件来调节合成气合成烃装置的总体生产的方法,其包括调节至少一种加氢裂化转化促进条件和/或至少一种转化促进条件在费 - 以保持整体柴油与石脑油的比例,或将柴油生产率保持在所需值的预定范围内。