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    • 7. 发明申请
    • Fuel processing of feedstocks having components harmful to hydrodesulfurization
    • 具有对加氢脱硫有害的成分的原料的燃料加工
    • US20090194459A1
    • 2009-08-06
    • US12321261
    • 2009-01-16
    • Antonio M. VincitorePeter F. FoleyDerek W. HildrethJohn L. PrestonStephen G. PixtonNancy P. Foley
    • Antonio M. VincitorePeter F. FoleyDerek W. HildrethJohn L. PrestonStephen G. PixtonNancy P. Foley
    • C10G67/00B01J19/00
    • C10G65/04C10L3/101C10L3/103
    • A reformer system (11) having a hydrodesulfurizer (12) provides desulfurized natural gas feedstock to a catalytic steam reformer (16), the outflow of which is treated by a water gas shift reactor (20) and optionally a preferential CO oxidizer (58) to provide reformate gas (28, 28a) having high hydrogen and moderate carbon dioxide content. To avoid damage to the hydrodesulfurizer from overheating, any deleterious hydrogen reactants, such as the oxygen in peak shave gas or olefins, in the non-desulfurized natural gas feedstock (35) are reacted (38) with hydrogen (28, 28a; 71) to convert them to alkanes (e.g., ethylene and propylene to ethane and propane) and to convert oxygen to water in a catalytic reactor (38) cooled (46), below a temperature which would damage the reactor, by evaporative cooling with pressurized hot water (42). Hydrogen for the desulfurizer and the hydrogen reactions may be provided as recycle reformate (28, 28a) or from a mini-CPO (67), or from other sources.
    • 具有加氢脱硫剂(12)的重整器系统(11)向催化蒸汽重整器(16)提供脱硫天然气原料,其流出物由水煤气变换反应器(20)和任选的优先CO氧化器(58)处理, 以提供具有高氢和适度二氧化碳含量的重整气体(28,28a)。 为了避免加氢脱硫剂由于过热而损坏,非脱硫天然气原料(35)中任何有害的氢反应物(例如峰值刮削气体或烯烃中的氧)与氢(28,28a; 71)反应(38) 将它们转化为烷烃(例如乙烯和丙烯至乙烷和丙烷),并在冷却(46)的催化反应器(38)中将氧转化为水,低于会损坏反应器的温度,通过用加压热水蒸发冷却 (42)。 用于脱硫剂的氢气和氢气反应可以作为循环重整油(28,28a)或来自小型CPO(67)或其它来源提供。