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stripper over desing extra margin

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BZLAM21

BZLAM21

Petroleum
Joined
Aug 12, 2020
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61
Location
IT
hi every one
coudl you please help me about Prefractionation Unit Stripper Margin

what is the purpose to add a design margin to the Stripper column system ?
it makes sense to specify valve plates for good fractionation and turndown 50%?

Best regards.
 
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From memory, variable valve plate trays can turndown to at least 30%, maybe 25%.
 
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