Carbon dioxide separator and method of use therefor
A carbon dioxide and separation device technology, which is applied in separation methods, chemical instruments and methods, and dispersed particle separation, can solve problems such as difficulty in miniaturization of carbon dioxide separation devices and continuous operation, and achieve simple structure and improved power generation efficiency. Effect
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no. 1 approach
[0038] figure 1 It is a schematic cross-sectional view showing the carbon dioxide separation device of this embodiment. figure 1 The shown carbon dioxide separation device 100 of this embodiment is a flat device composed of: a flat carbon dioxide separation stack 10 having an anode electrode 13, an anion-exchange polymer electrolyte membrane 11, and a cathode electrode 12 in this order; On the outer surface of the electrode 13 (the surface on the side opposite to the anion exchange type polymer electrolyte membrane 11), at least a part of the anode electrode 13 side (on the figure 1 The reducing agent supply chamber 30 for supplying the reducing agent to the anode electrode 13 is constituted by an open space; it is arranged on the outer surface of the cathode electrode 12 (the surface on the side opposite to the anion exchange type polymer electrolyte membrane 11) On, by at least a part of the side of the cathode electrode 12 (in figure 1 All in) a mixed gas supply chamber 2...
no. 2 approach
[0079] image 3 It is a schematic cross-sectional view showing the carbon dioxide separation device of this embodiment. In the carbon dioxide separation device 300 of this embodiment, the anode electrode 13 and the cathode electrode 12 are electrically connected through a resistor, and are the same as the first embodiment described above. That is, in the present embodiment, the resistor 80 is located in the wiring 40 .
[0080] In the carbon dioxide separation device of the present invention, a series of catalytic reactions and neutralization reactions represented by the above formulas (1) to (3) occur in the carbon dioxide separation stacked body 10, whereby the current flows between the anode electrode 13 and the cathode electrode 12 When the current significantly exceeds the amount of current required in the above formula (3), the reaction of the above formula (4) becomes dominant. When the reaction of the above formula (4) occurs, the reducing agent is consumed too much,...
no. 3 approach
[0084] Figure 4 It is a schematic cross-sectional view showing the carbon dioxide separation device of this embodiment. In the carbon dioxide separation device 400 of this embodiment, the anode electrode 13 and the cathode electrode 12 are electrically connected to each other through the resistor 80 and the power generation device 90 , and are the same as the above-mentioned first embodiment. That is, in the present embodiment, the resistor 80 and the power generating device 90 are located in the wiring 40 .
[0085] The power generation device 90, for example, should separate the CO 2 It is useful when the amount of current generated by the series of reactions of the above formulas (1) to (3) is insufficient. In this case, by forcibly increasing the amount of current flowing between the anode electrode 13 and the cathode electrode 12 by the power generating device 90, the reaction rate of the catalytic reaction can be increased, and the separation rate of carbon dioxide ca...
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Abstract
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