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  1. chemengineerjunior

    Tank Cleaning - Non Phenolic Sour water

    We have a floating roof tank for storing Non Phenolic Sour water ( mainly H2S, NH3 ). We are planning for Cleaning the tank . Can some one suggest a good chemical or method to remove H2S before the entry in to the tank. Thank you
  2. chemengineerjunior

    Pickling, Neutraliza and Passivation of Duplex (S32304) of Multiple Effect Distillation Unit .

    @Edstainless Thanks for your repl as we consider 20 - 30 % Nitric acid <10% Hydrofluoric acid in the chemical composition we are giving following PPE . PPE including PVC suite, fresh catridge mask full face / face shield , Rubber gloves ( acid resistant ), rubber boot. After passivation...
  3. chemengineerjunior

    Pickling, Neutraliza and Passivation of Duplex (S32304) of Multiple Effect Distillation Unit .

    Hello All .. We are doing a project for pickling,nuetralization and passivation of bottom weld plate of Multiple effect Distillation Unit ( Desalination )( Evaporator ). So our plan is to use S weld Clean for Pickling and Sweld passivator for passivation . I have few doubts as i am...
  4. chemengineerjunior

    Tank Cleaning - Fcc Main Bottom Product Storage Tank

    Hi all, We have a tank used to store FCC main bottom product . The tank contains thick, high viscos & heavy sludge including catalyst fines. Tank is having a diameter of 24 m . As the bottom product will be highly viscous tar like substance ( assumption - around 4000 cp ) , its very...
  5. chemengineerjunior

    Drying of TitaniumTetraChloride ( TiCl4 )

    Thanks for all your replies. After discussion we planned to dry the pipeline with dry air and get a dewpoint of -1C .
  6. chemengineerjunior

    Drying of TitaniumTetraChloride ( TiCl4 )

    Thanks for all your replies First of all sorry for double posting, It wont be repeated any more @ash9144 and @EdStainless Here in our case, we are doing chemical cleaning (acid cleaning) in a newly installed pipe line, and nitrogen is not available currently for drying , There are...
  7. chemengineerjunior

    Drying of Pipe line

    Good Morning guys , As we are doing Acid cleaning in a pipe line which have 5 flanges till the end, after acid cleaning we will flush the pipe line with water , After drying of pipe line with air, Is there any chance of getting water deposited on the flange sites ???So our problem is that as the...
  8. chemengineerjunior

    Drying of TitaniumTetraChloride ( TiCl4 )

    Good Morning guys , As we are doing Acid cleaning in a pipe line which have 5 flanges till the end, after acid cleaning we will flush the pipe line with water , After drying of pipe line with air, Is there any chance of getting water deposited on the flange sites ???So our...
  9. chemengineerjunior

    Help needed for a pharma tank cleaning ( CIP / SIP )

    Thanks for the reply,... As our client's need is that " we need to prepare the procedure for activation and passivation " and they are asking us to send all datas like MSDS of the chemicals used for cleaning to them ...
  10. chemengineerjunior

    Help needed for a pharma tank cleaning ( CIP / SIP )

    Hello Friends.. This is my first thread here, and i started working as chemical engineer in an industrial services company... So i got a new project for Cleaning a Tank in a pharma company.. As i am new into the field can some one help me with some basic tips Following are the details of...

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