The issue of installing a nitrogen blanket in fixed-roof storage tanks.
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This post was last edited by henjuese on 2018-1-11 at 10:50. A previous post titled “Converting atmospheric-pressure rainwater tanks into low-pressure storage tanks” can be found at https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1886556&extra=. Now there is a problem: the oil-containing rainwater tanks in our company are of the fixed-roof type, and they do not have floating decks. In such cases, when nitrogen is introduced into the tanks, due to its higher density, could it end up settling below the oil and gas? This would result in nitrogen being in the lower layer and the oil and gas in the upper layer, which would be counterproductive I would be grateful if you could share your insights..
Nitrogen has a density of 1.25, while oxygen has a density of 1.43. In air, do nitrogen and oxygen layer one on top of the other? The fact is that there are no differences between higher and lower levels!