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flynnstar
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Join Date: Feb 2008
Posts: 77
Good Answers: 5

Sulfuric acid storage tank maintenance

08/07/2008 10:15 AM

I am seeking a procedure for cleaning a sulfuric acid bulk storage tank. I have an NDT method available but am lacking a technique to safely and effectively removing the sludge buildup that has collected over the years.

There is probably an established procedure to do this. Can anyone help out?

FS
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Pathfinder Tags: sulfuric acid bulk storage
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Anonymous Poster
#1

Re: Sulfuric acid storage tank maintenance

08/08/2008 12:24 AM

Assuming that your tank is unlined mild steel - see this site

NOTE: Make sure as much acid is out of the tank as possible BEFORE you add water. Adding water to acid is not a good idea -

  1. It generates heat and the water can boil
  2. Puts the concentrated acid into a highly corrosive state
    1. Explosive hydrogen is formed when mild steel corrodes
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sivaprasad
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Join Date: Aug 2008
Posts: 7
#2
In reply to #1

Re: Sulfuric acid storage tank maintenance

08/08/2008 2:18 AM

Thanks , good answer !!!
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Kathryn James
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Join Date: Jul 2011
Posts: 1
#3

Re: Sulfuric acid storage tank maintenance

07/08/2011 9:36 AM

Hi Did you manage to find a procedure for the removal of sulphuric acid sludge from bulk storage tanks. We are facing the same problem?

Can anybody else help
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