What is the pH value of the acidic water from atmospheric and vacuum distillation units as well as catalytic cracking units?

2016-01-25View Original

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Hello everyone: The acidic water from atmospheric and vacuum distillation units, as well as catalytic cracking units, is collected in the acidic water treatment unit, where its pH value is strongly alkaline. Can anyone explain why this is the case?

Reply #22016-10-19

Are there ammonia injection processes in catalytic and atmospheric/ vacuum distillation? Was too much ammonia added? If no ammonia is added, the pH of the catalyzed acidic water remains between 4 and 6; it cannot be alkaline. Is it the alkali slag or alkali solution in the alkaline cleaning tank of some device that is causing the contamination?

Reply #32016-11-15

Too much ammonia was injected! The pH value of the acidic water we have is between 9 and 11

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What is the pH value of the acidic water from atmospheric and vacuum distillation units as well as catalytic cracking units?

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