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    • 9. 发明申请
    • PRODUCTION OF AROMATICS FROM METHANE
    • 从甲烷生产芳族化合物
    • WO2007127026A3
    • 2008-01-17
    • PCT/US2007008393
    • 2007-04-05
    • EXXONMOBIL CHEM PATENTS INCIACCINO LARRY LSANGAR NEERAJSTAVENS ELIZABETH L
    • IACCINO LARRY LSANGAR NEERAJSTAVENS ELIZABETH L
    • C07C2/84
    • C07C2/84C07C2/76C07C2529/48Y02P20/584Y10S585/943C07C15/02C07C15/04
    • In a process for converting methane to aromatic hydrocarbons, a feed containing methane is contacted with a dehydrocyclization catalyst in a reaction zone under conditions including a first maximum temperature effective to convert the methane to aromatic hydrocarbons and generate coke on the catalyst. A portion of the coked catalyst is transferred from the reaction zone to a separate regeneration zone, where the catalyst portion is contacted with a regeneration gas under conditions including a second maximum temperature less than or equal to the first maximum temperature and effective to at least partially remove coke from the catalyst portion. Before being returned to the reaction zone, the regenerated catalyst portion is contacted with a carburizing gas in a catalyst treatment zone separate from the reaction zone at a third maximum temperature less than the first maximum temperature.
    • 在将甲烷转化为芳烃的方法中,在包括有效将甲烷转化为芳族烃并在催化剂上产生焦炭的第一最高温度的条件下,将含甲烷的进料在反应区中与脱氢环化催化剂接触。 焦化催化剂的一部分从反应区转移到单独的再生区,其中催化剂部分在包括第二最高温度小于或等于第一最高温度的条件下与再生气体接触,并有效至少部分地 从催化剂部分除去焦炭。 在返回到反应区之前,再生的催化剂部分在与反应区分开的催化剂处理区中的渗碳气体在低于第一最高温度的第三最高温度下接触。