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English Translations » 炼制(催化焦化深加工) » Color change of acidic water

Color change of acidic water

2021-04-02View Original

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I would like to ask the experts: The acidic water with a constant or reduced pH level appears dark gray in color, contains an oily layer as well as black substances; its pH value fluctuates around 6-7, while the iron ion concentration is below 3. What could be the cause of this?
Reply #22021-04-02
Refer to https://bbs.hcbbs.com/thread-1937756-1-1.html for reference.

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Translated at 2026-07-23 19:26:10

Original: https://bbs.hcbbs.com/thread-3195371-1-1.html

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