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    • 3. 发明申请
    • REFORMULATED REDUCED POLLUTION DIESEL FUEL
    • 改性减少污染柴油燃料
    • WO0012654A8
    • 2000-06-08
    • PCT/US9918622
    • 1999-08-17
    • ATLANTIC RICHFIELD CO
    • PEDERSEN MICHAEL J
    • C10G65/12C10L1/08C10L1/00C10L1/04C10L1/18F23C1/08
    • C10L1/08C10G65/12
    • A reformulated diesel fuel, a method of making and a method of using the diesel fuel to reduce pollution are disclosed. The diesel fuel meets the requirements of ASTM D975-96a for a low sulfur number 2 diesel fuel and provides reduced emission benefits relative to a certified diesel fuel, certified under Section 2282(g) Title 13, California Code of Regulations and containing less than 15 volume percent aromatics having a natural centane number of at least 55, a sulfur content less than 15 ppmw, a nitrogen content less than 10 ppmw, a polycyclic aromatics content no greater than 1.5 weight percent and an initial boiling point of at least 350 degrees F. The method of making includes hydrotreating stream (12) in a vessel (10) and hydrocracking a stream (20) in a vessel (24) in order to obtain a diesel range fraction which is separated to obtain a diesel fuel (48) and a gasoline fraction (44).
    • 公开了一种重整柴油,一种制备方法和一种使用柴油来减少污染的方法。 柴油符合ASTM D975-96a的低硫2号柴油燃料要求,并相对于经认证的柴油燃料提供减少的排放权益,经认证符合第2282(g)条,加利福尼亚州法规第13条,含有少于15 体积%的芳族化合物具有至少55的天然己烷数,硫含量小于15ppmw,氮含量小于10ppmw,多环芳烃含量不大于1.5重量%,初始沸点至少为350华氏度 制备方法包括在容器(10)中加氢处理流(12)并加氢裂化容器(24)中的物流(20),以获得柴油范围级分,其分离以获得柴油燃料(48)和 汽油馏分(44)。
    • 10. 发明申请
    • SYSTEM FOR PREVENTING GAS DECOMPOSITION IN PIPELINES
    • 管道气体分解系统
    • WO1979000395A1
    • 1979-07-12
    • PCT/US1978000217
    • 1978-12-14
    • ATLANTIC RICHFIELD CO
    • ATLANTIC RICHFIELD COWORRELL GMCKAY F
    • F17D01/02
    • C07C11/04F16L55/00F17D1/02Y10S165/911Y10T137/6416
    • In a system in which compressed ethylene is scheduled to flow through pipes, and in which there is danger of decomposition of ethylene and danger of the spreading of a reaction boundary of the exotheric decomposition reaction, a method and means are provided for quenching the advancement of the decomposition. Ethylene is directed from large diameter pipes (151) into an array of spaced apart small diameter tubes (153) which are not overheated when subjected to the combination of head and tail boundaries of the advancing plug of decomposition products. Such overheating of the tubes by the leading and trailing flames can be prevented by cooling the exterior of the tubes with a fluid (152) normally maintained at about ambient temperature, thereby cooling the compressed ethylene sufficiently to quench the decomposition reaction. The cooling fluid is desirably an aqueous system adapted to be convened to steam under severe conditions. A significant depth of liquid is normally maintained above the upper strata of tubes (153) in the reaction boundary suppressors so that the total cooling capacity of the liquid, before evaporation exposes an upper strata of tubes, is significantly greater than in the dormant liquid of a heat exchanger of conventional design. This system of quenching reactions has applicability to facilities featuring the flow of gases other than ethylene. The system comprising the piping for the compressed gas includes such reaction boundary suppressors at locations appropriate for protecting critical zones of compressed gas from the hazard of the advancement of an undesired accidental reaction.