An electrocatalytic oxidation coupling carbon dioxide reduction device and wastewater treatment process
An electrocatalytic oxidation and carbon dioxide technology, which is applied in the direction of oxidized water/sewage treatment, reduced water/sewage treatment, water/sewage treatment, etc., can solve the problems of high raw material cost and limit the industrial application of carbon dioxide electroreduction technology, and achieve high impact Probability, easy operation, and the effect of increasing the residence time
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Embodiment 1
[0032] Such as figure 1As shown, an electrocatalytic oxidation coupling carbon dioxide reduction device includes an electrolytic cell 1, an anode assembly 2, a cathode assembly 3, a separation assembly 4 and a gas recovery assembly 5;
[0033] Such as figure 1 As shown, the electrolytic cell 1 is successively divided into an anode area 11, a separation area 12 and a cathode area 13 from bottom to top. The top of the electrolytic cell 1 is provided with an air outlet 16; the electrolytic cell 1 is provided with an electromagnetic stirrer 18, and a magnet 19 is placed inside the anode area 11.
[0034] Such as figure 1 As shown, the anode assembly 2 includes three anode rods 21, the anode rod 21 adopts a titanium-based rod material, the anode rod 21 is laterally fixed in the anode area 11 through the holder 22, the anode rod 21 is connected with the positive pole of the power supply 17, and the anode rod 21 The surface of the surface is coated with an organic matter degradati...
Embodiment 2
[0044] This embodiment is basically the same as Embodiment 1, the difference is: no adsorption particles 43 are used, and the final conversion rate of carbon dioxide is 77.8%. is pumped away, resulting in a decrease in the conversion rate of carbon dioxide.
Embodiment 3
[0046] This embodiment is basically the same as Embodiment 1, except that the air distribution mechanism 42 is not used to aerate and disturb the adsorption particles 43, that is, static adsorption and static reaction are used, and the final carbon dioxide conversion rate is 89.1%. This is because The adsorption particles 43 capturing carbon dioxide have a low contact rate with the cathode rod 32 in a static state, and the mass transfer and reaction efficiency are low, resulting in a decrease in the conversion rate of carbon dioxide.
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