Abstract
AbstractThe platinum (Pt) diffusion gas electrodes are frequently used in chlor‐alkali process industry. The platinum (Pt) diffusion gas electrodes used in advanced chlor‐alkali process has encountered many disadvantages such as flooding, which is the result of peroxide production phenomenon. The flooding reduces the process efficiency. In this article new electrodes are used to overcome some of the above‐mentioned disadvantages to increase efficiency. The effects of seven process parameters are also individually studied. The results show the brine concentration increase CCE by increasing, anolyte, oxygen temperatures, and flow rates. The brine concentration decreases as the current density increases. The Ru/C catalyst performance is higher than Pt/C catalyst. Besides, Ru effectively prevents the aggregation and growth of platinum nano‐particles in the thermal heating process. The higher activity, good stability, and the better caustic current efficiency of the Ru/C catalyst make it more suitable cathode in advanced chlor‐alkali process.
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