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    • 3. 发明公开
    • C1 탄화수소를 할로겐화 C1 탄화수소로 산화성할로겐화시키는 방법
    • 碳氢化合物对氢化碳氢化合物的氧化反应
    • KR1020080009707A
    • 2008-01-29
    • KR1020077025568
    • 2006-04-25
    • 다우 글로벌 테크놀로지스 엘엘씨
    • 포드콜진사이몬쥐.스탱글랜드에릭이.쇼웨이저2세알버트이.존스마크이.
    • C07C17/154C07C19/00
    • 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,C1卤代烃或其混合物与卤素源和氧源接触,反应物烃与反应物源的摩尔比大于23/1 ,和/或在反应物的进料中反应物烃与氧源的摩尔比大于约46/1; 在稀土卤化物或稀土氧化物催化剂的存在下,与C1反应物烃,优选甲基氯相比,生产出具有至少一个以上卤素的卤代C1产物。 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。