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The pH level of the purified water in a certain acidic water stripping unit is above the specified limit; what are the causes and how should it be addressed?
What does \"exceeding the standard\" mean? Is it too high or too low? The problem has been described clearly.
Generally, the levels are too low; issues with air distribution have led to SO2 leakage, and the low pH value of the quench water results in a low pH value of the stripping purification water as well. Check the air distribution ratio and the stability of the air distribution valves. If it’s too high, that means too much ammonia has been added.
The original poster didn’t explain clearly; it’s necessary to consider the scale of their stripping units, how many water supply streams there are, and whether the purified water level is high or low. If it is not a single stripping unit for treating sulfur quench water, the amount of quench water alone should not have an impact on the overall pH of the stripping unit.
The original poster didn’t explain clearly; it’s necessary to consider the scale of their stripping units, how many water supply streams there are, and whether the purified water level is high or low. If it is not a single stripping unit for treating sulfur quench water, the amount of quench water alone should not have an impact on the overall pH of the stripping unit.