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    • 6. 发明申请
    • METHOD OF REDUCING NITROGEN OXIDE EMISSIONS
    • 减少氮氧化物排放的方法
    • US20110146606A1
    • 2011-06-23
    • US12641665
    • 2009-12-18
    • William J. Cannella
    • William J. Cannella
    • F02M25/00F02M25/07
    • F02M37/0064C10L1/08F02B1/12F02D41/0057F02D41/3035F02M25/00
    • A method of reducing nitrogen oxide emissions, the method comprising (i) injecting a petroleum-derived diesel fuel composition having: (a) a sulfur content of less than 10 ppm; (b) a flash point of greater than 50° C.; (c) a UV absorbance, Atotal, of less than 1.5 as determined by the formula comprising Atotal=Ax+10(Ay) wherein Ax is the UV absorbance at 272 nanometers; and wherein Ay is the UV absorbance at 310 nanometers; (d) a naphthene content of greater than 5 percent; (e) a cloud point of less than −12° C.; (f) a nitrogen content of less than 10 ppm; and (g) a 5% distillation point of greater than 300 F and a 95% distillation point of greater than 600 F, in an advanced combustion engine; (ii) combusting the petroleum-derived diesel fuel in (i) in a combustion chamber of a non-spark ignited engine, wherein nitrogen oxide emissions are lower than those nitrogen oxide emissions when a conventional diesel fuel is employed in a non-spark ignited engine.
    • 一种减少氮氧化物排放的方法,所述方法包括(i)注入具有以下成分的石油衍生的柴油燃料组合物:(a)小于10ppm的硫含量; (b)大于50°C的闪点。 (c)通过包括Atotal = Ax + 10(Ay)的公式确定的小于1.5的UV吸光度Atotal,其中Ax是272nm处的UV吸光度; 其中Ay是310nm处的UV吸光度; (d)环烷烃含量大于5%; (e)浊点小于-12°C; (f)氮含量小于10ppm; 和(g)高级燃烧发动机中的大于300°F的5%蒸馏点和大于600°F的95%蒸馏点; (ii)在(i)在非火花点火发动机的燃烧室中燃烧石油衍生的柴油燃料,其中当常规柴油燃料用于非火花点火时,氮氧化物排放低于氮氧化物排放量 发动机。