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Removal of CO from Methanol Reforming Gas by Low Temperature Shift Reaction

机译:低温换档反应除去甲醇重整气体的CO

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Copper catalysts supported on mixed oxides were investigated for CO removal in the methanol steam reformed gas. Although Cu/Al_2O_3-ZnO demonstrated excellent activity for water gas shift reaction (WGSR; CO + H_2O ->CO_2 + H_2), further removal of CO in the reformed gas applied as a fuel for polymer electrolyte fuel cells is required. It is difficult to remove trace CO in the reformed gas through WGSR, however, O_2 addition to the reformed gas is effective to enhance the CO removal through CO oxidation. Cu/Al_2O_3-ZnO also demonstrated excellent activity for catalytic removal of CO by WGSR and selective CO oxidation (CO + 1/2O_2 ->CO_2). This indicates that the design of an active shift/oxidation catalyst operative at 100-150 °C is a possible method for selective removal of CO in the methanol reforming gas.
机译:研究了在甲醇蒸汽重整气体中的铜催化剂中负载的铜催化剂。虽然Cu / Al_2O_3-ZnO证明了水煤气变换反应的优异活性(WGSR; CO + H_2O - > CO_2 + H_2),但需要进一步除去作为聚合物电解质燃料电池燃料的重整气体中的CO。难以通过WGSR除去重整气体中的痕量CO,但是,改性气体的O_2加入是有效增强通过共氧化的共同除去。 Cu / Al_2O_3-ZnO还通过WGSR和选择性共氧化(CO + 1 / 2O_2 - > CO_2)来证明了催化除去CO的优异活性。这表明在100-150℃下操作的活性换档/氧化催化剂的设计是选择性除去甲醇重整气体中的CO的可能方法。

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