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Method and apparatus for improving the efficiency of reforming process for producing syngas and methanol while reducing the CO2 in a gaseous stream
Method and apparatus for improving the efficiency of reforming process for producing syngas and methanol while reducing the CO2 in a gaseous stream
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机译:在减少气流中的二氧化碳的同时提高生产合成气和甲醇的重整工艺效率的方法和设备
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摘要
A method for the co-production of hydrogen and methanol including a hydrocarbon reforming or gasification device producing a syngas stream comprising hydrogen, carbon monoxide and carbon dioxide; introducing the syngas stream to a water gas shift reaction thereby converting at least a portion of the CO and H2O into H2 and CO2 contained in a shifted gas stream; cooling the shifted gas stream and condensing and removing the condensed fraction of H2O; then dividing the shifted syngas stream into a first stream and a second stream; introducing the first stream into a first hydrogen separation device, thereby producing a hydrogen stream, and introducing the second stream into a methanol synthesis reactor, thereby producing a crude methanol stream and a methanol synthesis off gas; introducing at least a portion of the methanol synthesis off gas into a second hydrogen separation device.
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