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    • 6. 发明申请
    • METHANE CONVERSION PROCESS
    • 甲烷转化过程
    • WO2012021256A3
    • 2012-05-10
    • PCT/US2011044359
    • 2011-07-18
    • EXXONMOBIL CHEM PATENTS INCIACCINO LARRY LDENTON ROBERT DNORMAN GARTH MLATTNER JAMES R
    • IACCINO LARRY LDENTON ROBERT DNORMAN GARTH MLATTNER JAMES R
    • C07C2/84C07C2/86C07C15/08C10L3/06
    • C07C2/76C07C2529/69C10L3/08F25J3/0209F25J3/0223F25J3/0233F25J3/0252F25J2210/62F25J2215/04F25J2270/904Y02P20/125C07C15/04C07C15/24
    • A process for converting a gaseous hydrocarbon feed comprising methane to an aromatic hydrocarbon is integrated with liquefied natural gas (LNG) and/or pipeline gas production. In the integrated process, the gaseous hydrocarbon feed is supplied to a conversion zone comprising at least one dehydroaromatization catalyst and is contacted with the catalyst under conversion conditions to produce a gaseous effluent stream comprising at least one aromatic compound, unreacted methane and H2. The gaseous effluent stream is then separated into a first product stream comprising said at least one aromatic compound and a second product stream comprising unreacted methane and H2. The second product stream is further separated into a methane-rich stream and a hydrogen-rich stream and at least part of the methane-rich stream is passed to LNG and/or pipeline gas production. The gaseous hydrocarbon feed supplied to the conversion zone has at least one of the following properties: (i) a sulfur level of at least 25 ppm by volume; (ii) a C02 level of at least 50 ppm by volume; and (iii) a dew point of at least 203°K.
    • 将包含甲烷的气态烃进料转化成芳烃的方法与液化天然气(LNG)和/或管道气生产相结合。 在一体化方法中,将气态烃进料供给至包含至少一种脱氢芳烃化催化剂的转化区,并在转化条件下与催化剂接触以产生包含至少一种芳族化合物,未反应甲烷和H 2的气态流出物流。 然后将气态流出物流分离成包含所述至少一种芳族化合物的第一产物流和包含未反应的甲烷和H 2的第二产物流。 第二产物流进一步分离成富甲烷流和富氢流,至少部分富甲烷流被送到LNG和/或管道气生产。 供应到转化区的气态烃进料具有以下特性中的至少一个:(i)至少25ppm体积的硫含量; (ii)至少50ppm体积的CO 2水平; 和(iii)露点至少为203°K。
    • 10. 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。