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Hot liquor tank CIP

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  • Hot liquor tank CIP

    Hello guys!

    Yesterday we tried to clean the hot liquor tank, which we are using for 2 years now.

    There are some brownish spots. We recirculated with caustic/acid for an hour and nothing changed.

    Any thoughts?
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    Last edited by Moutas; 11-08-2017, 10:36 PM.

  • #2
    Originally posted by Moutas View Post
    Hello guys!

    Yesterday we tried to clean the hot liquor tank, which we are using for 2 years now.

    There are some brownish spots. We recirculated with caustic/acid for an hour and nothing changed.

    Any thoughts?
    Needs to be cleaner. I would try a nitric/phos blend first, drain with no rinse, and then a strong caustic cycle immediately after. 30 min and 30 min is usually long enough. You may need to get in it with a brush after the second cycle because it looks like a decent amount of build up, but it should wipe right off. Wipe down/brush before final rinse off with hot water.

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