The alkali production of the electrolyzer has decreased
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This post was last edited by sunjl1981 on 2013-1-6 23:49. Recently, our alkali production has declined, which has led to a decrease in current efficiency and a sharp rise in power consumption. Upon inspection, no areas of alkali leakage were found in the piping equipment. If the amount of alkali produced by the electrolyzer has decreased, what could be the reason? # ， ， &
How many years have the anodes and cathodes in the alkali-containing tank been in use?
Provide a complete analysis of all the cathodes and anodes you have used, including operational data; this way others can help you make a judgment. Simply giving general statements will not achieve the goal you want to achieve.
Salt content: 20 ppb; electrolyzer has been in operation for 2 years. But the saltwater concentration is 210 g/l and the alkali concentration is 32.3%
A decrease in alkali production does not lead to a decrease in current efficiency. :)
I’ve encountered the same issue as well; a decrease in alkali production leads to a drop in cathode current efficiency. Could you check the following aspects: 1. Verify whether the displayed current represents the actual current?； 2. Whether the measuring instruments are accurate. It is also possible to determine whether the current is a true current by observing the change in slot voltage, as the voltage gradually increases under unchanged operating conditions.
You can check your suggestions through the following points: 1. An increase in power consumption and a decline in electrical efficiency, along with an increase in cell voltage; check the quality of your brine as well as whether the quality of hydrochloric acid is satisfactory. 2. Check for any internal leaks in the system. 3. Check whether the specific gravity of the alkali has increased. 4. The analysis quality of the analyst cannot be ruled out; they should check whether their standard solutions are accurate.
Impurities in the saltwater and the duration of use of the membrane both have an impact; in some cases, replacing the membrane is the only way to resolve the problem
It could be caused by an inaccurate electromagnetic flowmeter. 1. Check if there is any change in voltage. 2. Replace it with a new electromagnetic flowmeter. 3. Calculate the anode current efficiency. 4. Check if there is any change in power consumption