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How is the cathode level balance in an ion-exchange membrane cell calculated? Including some of the water vapor carried away by hydrogen.

2015-12-03View Original

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By calculating the amount of water added to the cathode of the electrolytic cell and ignoring side reactions, the water supplied to the cathode consists of: 1. externally added pure water; 2. Water in the sodium ion migration zone; the water from the cathode outlet includes: 1. Water from the cathodic electrolysis section ; 2. Water carried away by the finished alkaline strip ; 3. Water vapor carried away by hydrogen gas. Upon calculation, the amount of water discharged was far greater than the amount of water taken in. I’m seeking expert guidance on a detailed explanation of the algorithm, and also to find out if I’ve overlooked any incoming flow stream
Reply #22015-12-04
The water in the sodium ion migration zone is roughly 1 band to 4
Reply #32015-12-04
The calculation for the method of sodium ions carrying water was incorrect; it has been recalculated, and both the cathode and anode sides are now correct.

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