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The Importance of Protecting Your Stored Fuel for Emergency Use

Posted by: Bell Performance

The_Importance_of_Protecting_Your_Stored_Fuel_for_Emergency_UseNo matter if you use fuel in an emergency vehicle or cleanup heavy duty equipment or a backup generator, if the fuel quality is not within specification when it is needed, then the vehicle or engine is not going to run property or it may not even run at all when it is needed most.

This concept of poor fuel quality is really about what ends up in the fuel and, more importantly, what ends up in the fuel that does not burn as well as the fuel itself. When you hear about fuel oxidation, gums, varnishes and fuel sludge, they’re really talking about parts of the diesel fuel mixture that used to be soluble in in solution with the fuel blend, but which have been attacked and undergone chemical reaction to be substances that are heavy enough to fall out as sludge and which don’t burn very well when they are used by the engine. Fuel stability treatments aims to keep these substances from forming, instead keeping the fuel mix together so it burns as well as it is supposed to. 

Of the common fuels in the marketplace – ethanol, diesel, bio diesel - these all have some common storage quality issues of that can all be addressed with simple solutions. So we will take some time to examine some of the common issues that are inherent to the preservation of these fuels – to ensure they’re ready for action when you and your business or group are faced with important action. Understanding the root causes of the disruption of fuel quality in storage is the first step in setting up a fuel care protocol (or reexamining an existing one) that will ensure that you’re as prepared as possible for when you need to respond to an emergency in the quickest and best means possible.

Diesel 

Diesel fuel is still the most common backup fuel stored in the United States. The diesel fuel in use today is not exactly like the diesel fuel that was in use 10 or 15 or 20 or more years ago. The big difference between diesel fuels now and diesel fuels then is the level of sulfur allowed in the diesel fuel.

Bio-Diesel

Biodiesel blends such as 2% or 5% biodiesel are more and more common in municipalities and organizations who face state, local and federal mandates to increase the volume of biofuels that they use in public vehicles. Higher levels of government are always happy to issue requirements dictating the behaviors of the entities below them.

Not only this, but biodiesel fuel users are also taking advantage of its natural lubricating properties, which can restore all of the lubricity properties of the diesel fuel that were lost when the sulfur was reduced by over 98%. A blend of as little as 2% biodiesel methyl ester into an in-spec diesel fuel base will restore all of the lost
lubricity from the removal of the sulfur. This keeps these principalities from having to purchase additional lubricity additives from their fuel suppliers. So it is a win – win situation for these fuel usage. They get a high lubricating diesel fuel blend, and they get to claim a certain number of gallons of renewable biofuels used towards the mandate that they are seeping from further up the political food chain.

Ethanol

Ethanol blends are more sensitive to storage problems then diesel fuels are. That may be because gasoline itself is more highly refined and more sensitive than diesel fuels are. Ethanol blends attract water much more easily than diesel fuel blends do. The ethanol molecule is a natural chemical attractor of water. And this can be a big problem for stored ethanol fuel blends. This water accelerates oxidative and breakdown of ethanol fuels, contributes to the same type of microbial infestation problems in ethanol blends, and can initiate phase separation. Phase separation happens when an ethanol blend, such as a 5% or a 10% or 15% blend, absorbs water from the atmosphere. When the amount of absorbed water exceeds the water
tolerance of the fuel blend, the water absorbed will actually pull the ethanol out of solution with the gasoline. What ends up in the tank is a mixture of water and ethanol at the bottom with the remaining gasoline on top.

Protecting Stored Fuel Quality for Emergency Use

 

 

This post was published on May 9, 2014 and was updated on March 29, 2018.

Topics: Fuel Storage