| abstract |
The invention discloses a flow-rate-adjustable electrolytic tank reaction device for electrically reducing carbon dioxide. The electrolytic tank reaction device comprises two end plates (1), an aeration liquid storage chamber (2), an anode chamber (3) and a cathode chamber (4), wherein the cathode chamber (4) is provided with an S-shaped flow channel; an ion exchange membrane (15) is spaced between the anode chamber (3) and the cathode chamber (4); two electrodes are located at two sides of the cathode chamber (4) respectively; a feeding and discharging opening is formed in the side of the cathode chamber (4); a solution is fed from the bottom and is discharged from the top; circulation of the solution in the cathode chamber is realized by a peristaltic pump (16); an aeration head is arranged at the bottom of the aeration liquid storage chamber (2); meanwhile, the circulation of a cathode solution is completed at the top of the aeration liquid storage chamber while products can be collected. The device is simple in structure and stable in performance, and is capable of carrying out real-time sampling analysis on gaseous products and liquid products, stably realizing circulation of the cathode solution and accurately controlling the flow rate of the liquid flowing through the surface of a catalyst so as to improve the selectivity of reduced products obtained by electrically reducing carbon dioxide. |