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  1. felix201012

    Ball valves are suitable for aggresive media?

    Hello everybody, Although I am sure this kind of topic was somewhere enlist, please help me out in the following question mark: --> ball valve, SS304 or 316 are a safe choice for fitting over NaOH pipeline, 50% concentration? And here I am referring to 3 piece ball valve, in a temperature...
  2. felix201012

    Sodium persulphate 25 %

    Hello everybody, I need your help in giving me any suggestions of using a stock solution of sodium persulphate 25 % in any possible cleaning applications! In the past this was used for cleaning a membrane unit for beer filtration and is no longer required (it was mixed NaOH 2 % + Napersulphate...
  3. felix201012

    Cleaning mixture based on Na persulphate + NaOH

    Hello to all, Please let me know if someone has experience in using a mixture of sodium persulphate + caustic soda (both at 2 % w/v concentration in water) in cleaning stainless steel vessels/pipes 304L. I am willing to used it as oxidizer for biofilm removal from the pipes/vessel, cleaning...

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