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    • 2. 发明申请
    • Methanol manufacture using pressure swing reforming
    • 使用压力挥发重整的甲醇制造
    • US20050154068A1
    • 2005-07-14
    • US11011984
    • 2004-12-14
    • Frank HershkowitzJames Lattner
    • Frank HershkowitzJames Lattner
    • C07C1/24C07C29/151C07C27/06
    • C07C29/1518Y02P30/42C07C31/04C07C31/08C07C31/10C07C31/02
    • A process for producing methanol is described in which a hydrocarbon is steam reformed in a reforming zone, and during the reforming stage, of a cyclic steam reformer having a reforming stage and a regeneration stage, the steam reforming being conducted under conditions effective to produce a first effluent stream containing synthesis gas. Fuel and an oxygen-containing gas are combusted in the regeneration stage of the reformer so as to reheat the reforming zone to a temperature sufficient for the reforming stage and generate a flue gas. At least part of the first effluent stream is contacted with a methanol synthesis catalyst under conditions effective to convert synthesis gas to methanol and form a methanol-containing stream and a tail gas stream comprising unreacted carbon monoxide and hydrogen. At least part of the tail gas stream is recycled as fuel for the regeneration stage of the cyclic steam reformer.
    • 描述了一种生产甲醇的方法,其中烃在重整区中进行蒸汽重整,并且在重整阶段期间,在具有重整阶段和再生阶段的循环蒸汽重整器中,蒸汽重整在有效产生 含有合成气的第一流出物流。 燃料和含氧气体在重整器的再生阶段中燃烧,以便将重整区再加热到足以进行重整阶段的温度并产生烟道气。 在有效地将合成气转化成甲醇并形成含甲醇流和包含未反应的一氧化碳和氢气的尾气流的条件下,将至少部分第一流出物流与甲醇合成催化剂接触。 至少部分尾气流作为循环蒸汽重整器的再生阶段的燃料再循环。
    • 3. 发明申请
    • Methanol manufacture using pressure swing reforming
    • 使用压力挥发重整的甲醇制造
    • US20050137269A1
    • 2005-06-23
    • US10738782
    • 2003-12-17
    • Frank HershkowitzJames Lattner
    • Frank HershkowitzJames Lattner
    • C07C1/24C07C29/151C07C27/10
    • C07C29/1518Y02P30/42C07C31/04C07C31/08C07C31/10C07C31/02
    • A process for producing methanol is described in which a hydrocarbon is steam reformed in a reforming zone, and during the reforming stage, of a cyclic steam reformer having a reforming stage and a regeneration stage, the steam reforming being conducted under conditions effective to produce a first effluent stream containing synthesis gas. A fuel and an oxygen-containing gas are combusted in the regeneration stage of the reformer so as to reheat the reforming zone to a temperature sufficient for the reforming stage and generate a flue gas. At least part of the first effluent stream is contacted with a methanol synthesis catalyst under conditions effective to convert synthesis gas to methanol and form a methanol-containing stream and a tail gas stream comprising unreacted carbon monoxide and hydrogen. Hydrogen is separated from at least one of the first effluent stream and the tail gas stream and at least part of the hydrogen is recycled as part of the fuel for the regeneration stage of the cyclic steam reformer.
    • 描述了一种生产甲醇的方法,其中烃在重整区中进行蒸汽重整,并且在重整阶段期间,在具有重整阶段和再生阶段的循环蒸汽重整器中,蒸汽重整在有效产生 含有合成气的第一流出物流。 燃料和含氧气体在重整器的再生阶段中燃烧,以便将重整区重新加热到足以用于重整阶段的温度并产生烟道气。 在有效地将合成气转化成甲醇并形成含甲醇流和包含未反应的一氧化碳和氢气的尾气流的条件下,将至少部分第一流出物流与甲醇合成催化剂接触。 氢气与第一流出物流和尾气流中的至少一个分离,并且至少部分氢气作为用于循环蒸汽重整器的再生阶段的燃料的一部分被再循环。