I understand the purge of inert gas is moisture monitored at the vent. Nitrogen monitoring flow increased or reduced accordingly. Equilibrium disturbed at fuel surface/ullage interface allows moisture to transfer so the theory gos.
I see that Harris County, Texas is contemplating the install of Inert gas blanketing to monitor moisture and control corrosion in critical use diesel fuel tanks. While I see no diesel storage tank ullage inert gas blanket requirements I wonder if a purge and or blanket of inert gas...
