The pitch is angled triangular, as this is a preferred method Sinnott (2005).
(Eq. 3.4 6) is used to calculate the number of holes per tray:
The number of holes per tray above feed stage is 25912, while below feed stage the number of holes is 24793.
The choice of hole diameter is usually about 5mm, but an increase in the size of the hole can be considered when fouling causes concern (Sinnott, 2005). The minimum hole size is about twice the size of plate thickness for stainless steel, in this case…
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