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    • 2. 发明授权
    • Method of manufacturing methanol
    • 制造甲醇的方法
    • US06486218B2
    • 2002-11-26
    • US09931095
    • 2001-08-17
    • Kazuto KobayashiMasaki IijimaKazuhiro Morita
    • Kazuto KobayashiMasaki IijimaKazuhiro Morita
    • C07C2700
    • C07C29/1518C07C31/04
    • A natural gas having steam and carbon dioxide added thereto is supplied into a reaction tube of a reformer provided with the reaction tube and a combustion radiation section for heating the reaction tube by combustion of a fuel so as to carry out a reaction between the hydrocarbon contained in the natural gas and the steam added to the natural gas, thereby forming a synthetic gas containing hydrogen, carbon monoxide and carbon dioxide. Then, the synthetic gas is subjected to a reaction in the presence of a methanol synthesizing catalyst. A crude methanol obtained is subjected to a gas-liquid separation. Further, a liquid crude methanol separated in the separation is distilled. In the particular methanol manufacturing process, a part of the purge gas obtained in the separation is recycled into the natural gas having steam and carbon dioxide added thereto in advance.
    • 将具有蒸汽和二氧化碳的天然气供给到设置有反应管的重整器的反应管中,以及用于通过燃料燃烧来加热反应管的燃烧放射部,以便在所含有的烃之间进行反应 在天然气中加入天然气中的蒸汽,从而形成含有氢,一氧化碳和二氧化碳的合成气体。 然后,合成气体在甲醇合成催化剂的存在下进行反应。 将得到的粗甲醇进行气液分离。 此外,在分离中分离的液体粗甲醇被蒸馏。 在特定的甲醇制造方法中,将分离中获得的吹扫气体的一部分预先循环到具有蒸汽和二氧化碳的天然气中。