Why is nitrogen used to seal the waste acid sedimentation tank?

2017-03-01 View Original

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I know it's simple. But I’m just starting to learn. I don’t understand, so I’d like to ask everyone! Thank you

Reply #2 2017-03-01

This is because concentrated sulfuric acid has water-absorbing properties, and the moisture in the air can also dilute the exposed concentrated sulfuric acid, thereby increasing its corrosivity toward carbon steel.

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Why is nitrogen used to seal the waste acid sedimentation tank?

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