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    • 67. 发明授权
    • Systems and methods of improving diesel fuel performance in cold climates
    • 改善寒冷气候下柴油机性能的系统和方法
    • US07909894B2
    • 2011-03-22
    • US11980539
    • 2007-10-31
    • Dennis J. O'Rear
    • Dennis J. O'Rear
    • C10L1/18
    • C10L1/08C10L1/1691C10L1/1963C10L1/1966C10L1/1973
    • Embodiments of the present invention are directed toward systems and methods of providing a low-emissions diesel fuel for use in cold climates. Such fuels may be prepared by a Fischer-Tropsch process and include a pour point depressant. Furthermore, the fuel is used in conjunction with a heated fuel delivery system so that low cloud points are not necessary. Fuels prepared according to embodiments of the present invention may be produced in higher yields than otherwise possible because a higher paraffin wax content can be tolerated, thus obviating the need to remove or exclude the wax. These fuels are characterized by a sulfur content less than 1 ppm, a cetane number greater than 60, an aromatics content less than 1 wt %, and a difference between the cloud and pour points that is greater than about 5° C. The present fuel may be prepared by a Fischer-Tropsch synthesis from any number of carbon-containing sources such natural gas, coal, petroleum products, and combinations thereof.
    • 本发明的实施例涉及提供用于寒冷气候的低排放柴油燃料的系统和方法。 这样的燃料可以通过费 - 托法制备,并包括倾点下降剂。 此外,燃料与加热燃料输送系统一起使用,使得不需要低浊点。 根据本发明的实施方案制备的燃料可以以比其他可能的更高的产率制备,因为可以耐受较高的石蜡含量,因此消除了除去或排除蜡的需要。 这些燃料的特征在于硫含量小于1ppm,十六烷值大于60,芳烃含量小于1重量%,云和倾点之差大于约5℃。本发明的燃料 可以通过费托合成从任何数量的含碳源如天然气,煤,石油产品及其组合制备。
    • 68. 发明授权
    • Fischer-tropsch derived turbine fuel and process for making same
    • 费托衍生的涡轮燃料及其制造方法
    • US07785378B2
    • 2010-08-31
    • US11556342
    • 2006-11-03
    • Dennis J. O'Rear
    • Dennis J. O'Rear
    • C10L1/04
    • C10L1/02C10L1/04C10L1/1824C10L10/14
    • The present invention is directed to a Fischer-Tropsch derived distillate suitable for use as a turbine fuel having a flash point 38° C. minimum measured by ASTM D 56 and a freeze point of −40° C. or less and further containing not less than 0.01 wt. % oxygen in each of 1-pentanol, 1-hexanol, and 1-heptanol and not more than about 0.01 wt. % oxygen in C8+ linear alcohols. Preferably, the Fischer-Tropsch derived distillate will have a freeze point of at least −47° C., and more preferably the freeze point of the Fischer-Tropsch derived distillate will be not less than −50° C. All the wt. % oxygen amounts are on a water free basis.
    • 本发明涉及适用于具有闪点为38℃的涡轮燃料的费 - 托衍生的馏出物,其最小值通过ASTM D 56测定,并且凝固点为-40℃或更低,并且还包含不少于 0.01重量% 每个1-戊醇,1-己醇和1-庚醇中的氧含量为不超过约0.01重量% C8 +线性醇中的氧含量。 优选地,费 - 托衍生的馏出物的冻点至少为-47℃,更优选的是费 - 托衍生的馏出物的冷冻点不低于-50℃。 氧含量%是无水的。