PROCESS FOR PRODUCING NEEDLE COKE FOR GRAPHITE ELECTRODE AND STOCK OIL COMPOSITION FOR USE IN THE PROCESS
    1.
    发明申请
    PROCESS FOR PRODUCING NEEDLE COKE FOR GRAPHITE ELECTRODE AND STOCK OIL COMPOSITION FOR USE IN THE PROCESS 有权
    生产用于石墨电极的针状焦炭和工艺中使用的油性组合物的方法

    公开(公告)号:US20110186478A1

    公开(公告)日:2011-08-04

    申请号:US13062106

    申请日:2009-09-04

    IPC分类号: C10G99/00

    摘要: The invention provides a stock oil composition for needle coke for a graphite electrode, the stock oil composition having a 10 vol % distillation temperature of 280° C. or higher as the distillation property, and when separated into the aromatic component and non-aromatic component by elution chromatography, having an aromatic component content of 30-80 wt % with respect to the total weight of the stock oil composition and an aromatic component molecular weight of 255-1300, as well as a non-aromatic component normal paraffin content of at least 5 parts by weight with respect to 100 parts by weight of the aromatic component.

    摘要翻译: 本发明提供一种用于石墨电极的针状焦炭用原料油组合物,所述原料油组合物的蒸馏温度为10℃以上,蒸馏温度为280℃以上,分离成芳香族成分和非芳香族成分 通过洗脱色谱法,相对于原料油组合物的总重量和芳族组分分子量为255-1300的芳族组分含量为30-80重量%,以及非芳族组分正链烷烃含量为 相对于100重量份的芳族成分为至少5重量份。

    Process for producing petroleum coke
    9.
    发明授权
    Process for producing petroleum coke 有权
    生产石油焦的工艺

    公开(公告)号:US08137530B2

    公开(公告)日:2012-03-20

    申请号:US12664504

    申请日:2008-04-15

    IPC分类号: C10B55/00

    摘要: A process is provided for producing petroleum coke that is high in strength and sufficiently small in thermal expansion coefficient and sufficiently suppressed from puffing. The process includes coking a feedstock containing a first heavy oil having a sulfur content of 1.0 percent by mass or less, a nitrogen content of 0.5 percent by mass or less, and an aromatic index of 0.1 or greater, produced by hydrodesulfurizing a heavy oil with a sulfur content of 1 percent by mass or more under conditions (1) where the total pressure is 10 MPa or greater and less than 16 MPa and the hydrogen partial pressure is 5 MPa or greater and 16 MPa or less or conditions (2) where the total pressure is 20 MPa or greater and 25 MPa or less and the hydrogen partial pressure is greater than 20 MPa and 25 MPa or less, and a second heavy oil with an aromatic index of 0.3 or greater and an initial boiling point of 150° C. or higher.

    摘要翻译: 提供了一种制造强度高且热膨胀系数足够小并充分抑制膨胀的石油焦炭的方法。 该方法包括:将含有1.0质量%以下的硫含量,0.5质量%以下的氮含量,0.1重量%以上的芳香族指数,通过将重油加氢脱硫而得到的原料, 在总压力为10MPa以上且小于16MPa,氢分压为5MPa以上且16MPa以下的条件(1)下的硫含量为1质量%以上或条件(2) 总压力为20MPa以上且25MPa以下,氢分压大于20MPa,25MPa以下,第二重油的芳香族指数为0.3以上,初始沸点为150℃ C.或更高。