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    • 8. 发明申请
    • Oxidative Halogenation of C1 Hydrocarbons to Halogenated C1 Hydrocarbons
    • C1碳氢化合物对卤代C1烃的氧化卤化
    • US20080275279A1
    • 2008-11-06
    • US11912376
    • 2006-04-25
    • Simon G. PodkolzinEric E. StanglandAlbert E. SchweizerMark E. Jones
    • Simon G. PodkolzinEric E. StanglandAlbert E. SchweizerMark E. Jones
    • C07C1/02
    • B01J27/08B01J23/10C07C17/154C07C17/158Y02P20/582C07C19/03
    • An oxidative halogenation process involving contacting methane, a C1 halogenated hydrocarbon, or a mixture thereof with a source of halogen and a source of oxygen, at a molar ratio of reactant hydrocarbon to source of halogen in a feed to the reactor greater than 23/1, and/or at a molar ratio of reactant hydrocarbon to source of oxygen in a feed to the reactor greater than about 46/1; in the presence of a rare earth halide or rare earth oxyhalide catalyst, to produce a halogenated C1 product having at least one more halogen as compared with the C1 reactant hydrocarbon, preferably, methyl chloride. The process can be advantageously conducted to total conversion of source of halogen and source of oxygen. The process can be advantageously conducted with essentially no halogen in the feed to the reactor, by employing a separate catalyst halogenation step in a pulse, swing or circulating bed mode. The production of methyl halide can be integrated into downstream processes for manufacture of valuable commodity chemicals.
    • 一种氧化卤化方法,包括使甲烷,C 1卤代烃或其混合物与卤素源和氧源以反应物烃与进料中卤素源的摩尔比接触 大于23/1的反应物,和/或反应物烃与反应器进料中氧的来源的摩尔比大于约46/1; 在稀土卤化物或稀土卤氧化物催化剂的存在下,与C 1反应物烃相比产生具有至少一个以上卤素的卤代C 1 -C 1产物, 优选氯甲烷。 该方法可以有利地进行到卤素源和氧源的总转化。 通过在脉冲,摆动或循环床模式中使用单独的催化剂卤化步骤,该方法可以有利地在反应器的进料中基本上不含卤素进行。 甲基卤化物的生产可以整合到用于制造有价值的商品化学品的下游工艺中。