Equipment design · Mist eliminator · Otto York / GPSA §7
Mesh Mist-Eliminator Pad Souders-Brown design face velocity, pad area, % of design, pressure drop and droplet cutoff for a mesh demister. Per Otto York / GPSA §7.
Vessel & Gas
m
m³/s
kg/m³
kg/m³
Pad
ft/s
in
psig
Engineering Basis
Vdesign = K·√((ρl−ρv)/ρv); K (York ~0.35 ft/s) derated for pressure.
Face velocity = Qgas/((π/4)D²); design 75-100% (>100% re-entrains).
ΔP ∝ (V/Vdesign)² × thickness; standard mesh removes ≳3-5 µm.
Standards: Otto York Mist Eliminator, GPSA EDB §7, Souders-Brown.