Cleanliness criteria
Cleanliness criteria
(OP)
I would appreciate it very much if you could recommend how we will quantify cleanliness criteria of a vessel and who has the final authority to say YES or NO?
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RE: Cleanliness criteria
RE: Cleanliness criteria
1) Application/service of the vessel. Can this particular application tolerate and up to what extent (size, amount, origin) of foreign material that is supposed to be cleaned before startup?
2) Will the residual dirt/debris/impurities accumulate in the system, or it will be flushed (and removed) somewhere downstream?
3) Nature of impurities: corrosive, erosive, incompatible with process fluid, or not?
4) Any reasonable means of removing the impurity down to the desired/specified level? If not, maybe you'll simply have to live with whatever you can't remove from the system.
See some examples at:
http://globalindustrialsolutions.net/pdfs/GEK11048...
http://www.slideshare.net/GerardBHawkins/piping-an...
Dejan IVANOVIC
Process Engineer, MSChE
RE: Cleanliness criteria
Best regards,
Romeo
RE: Cleanliness criteria
Once you have qualified then you know that the process works.
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P.E. Metallurgy, Plymouth Tube