Good morning friends and happy Monday. Since we are on a string of blog posts about Jet A fuel and its handling and storage; we wanted to squeeze this entry about the longevity of Jet A fuel in either a UL 2085, F921 tanks.
Most of you are either upgrading your current set up, expanding your above ground storage tanks, or simply just getting started. Recently the question came up regarding the long term storage of Jet A fuel; so we dug around a bit; talked to a few fuel providers and were able to get some answers. As we know, Jet A fuel is is a kerosene Type of fuel with a relatively high flash point (100F) with an autoignition temperature of (410F), all this translates into the fuel being safer to handle than avgas.
So, how long can you store Jet A fuel in standard above ground storage tanks?
The question centered around a 2-3 year target period; we found a great blog entry Ben Visser who is a fuel and Lubes expert and here is where we start:
“The main concern with Jet A is the water phase. In all large storage tanks, water is present or will form due to condensation. In large flat-bottom storage tanks, the water drain is designed to be the lowest point in the tank. However, after a short time the bottom settles and the water drain no longer drains all the water from the tank.
Two things happen in the water phase. First, any surface active ingredients in the fuel will migrate to the water. These surfactants are things like fuel injector detergents, pipeline additives, etc. As they acuminate, they can get to a high enough concentration that they will disarm the filter separator, which can allow a slug of water through the system and into an aircraft.
The other big problem with the water in Jet A is that when it sits, small microbes or little bugs start to grow and multiply very quickly. These bugs can then be pumped with the fuel into the tanks of an aircraft. If they are not removed quickly, they multiply very rapidly and can literally start to eat the tank for lunch. If they go unchecked, in a very short time the tank will be ruined and need replacement. This is a very expensive procedure for most aircraft.” —> You are welcomed to read the rest of the article here.
So, as you can see, there is a bit of homework that needs to be done if you are planning on storing Jet A fuel for a long time. What we are doing here is simply raising a flag so that you can be aware of these possible challenges before diving into; and if you need to talk to anyone one of us here at Transliquid; please do not hesitate to contact us, we will be more than happy to walk you through the process. Click the link to our main contact us page or call us direct at +281-377-5845
Last, Ben also discussed a product called ‘Prist”, apparently this is an additive to Jet A fuel; check it out and you decide. Follow this link .
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