How Long Does Diesel Fuel Last?
The lifespan of diesel depends on several external and internal factors like it’s quality, how it’s being stored, the temperature conditions, etc. Typically, good quality diesel fuel lasts anywhere between 6-12 months when stored in a clean, optimal condition. So, what are the “optimal” conditions for diesel storage? In a nutshell, to store diesel for a long period, ensure the following;- The tank is clean and waterproof.
- The fuel is treated with biocides and/or stabilizers.
- The temperature is not above 70 degrees Fahrenheit.
What Causes Diesel Fuel to Get Contaminated?
It takes very little for diesel fuel to get contaminated. Here are a few common reasons why this happens: - Water Ingress: If the tank is leaking or not full, water gets inside it and mixes with the diesel. This causes the fuel to lose its efficiency. But over time, it also causes microbial growth and corrosion, spoiling its quality. Leakage in the tank also increases the chances of fuel oxidation, which is another reason it gets spoiled.
- Cross Contamination: When two different types of fuel get mixed, their efficiency is immensely reduced. This type of contamination is frequent and is caused by differences in chemical composition and properties.
- Microbial Growth: Foreign elements like water or dust particles lead to unhealthy microbial development in diesel. This means bacteria, fungi, and algae will start to thrive in the fuel and damage its quality. The damage is very apparent – thanks to the foul smell and dark, muddy color.
- Poor Storage Condition: Poor storage conditions with extreme temperature fluctuations or direct sunlight exposure can wreak havoc on the quality of diesel and often lead to fuel oxidation. Moreover, if the tank is not in great shape, the fuel will corrode over time and spoil.
- Improper Filtration: If the filter of your generator’s fuel tank is clogged, it will contaminate your fuel – indirectly. Sometimes, a clogged filter lets dust particles and other harmful contaminants pass through and contaminate the fuel, ruining its quality.
5 Tips to Increase the Shelf Life of Diesel Fuel
If you own a diesel generator, you will need to store high fuel volumes for the future. With a few precautions, you can increase the shelf life of diesel:1. Clean the Tank
A clean tank translates to longer storage. So before you spill the diesel, wipe the fuel tank with a cloth to remove all the debris, rust, and dust. This will reduce the chances of contamination with toxic foreign particles and extend the life of your diesel fuel.2. Keep the Tank Full
Leaving no room for condensation is a great way to eliminate any chance of corrosion and rusting due to water. The easiest way you can do this is by filling your fuel tank to the brim. This will prevent water droplets from forming and dripping inside the tank.
3. Ensure Proper Ventilation
The right temperature can significantly improve the shelf life of your diesel fuel. To achieve the optimal temperature, you must keep regulating it. For instance, prevent the tank from overheating by introducing ventilation in the facility. If you’re storing the fuel in a separate bottle, keep it in a cool, dark place away from direct sunlight.4. Use Biocides
A biocide is a very effective chemical that prevents the formation of bacteria, fungus, etc., inside your diesel fuel tank. So, you can add biocides to your diesel tank to preserve it for a long time. You can also opt for synthetic diesel fuel stabilizers, which efficiently resist fuel oxidation and degradation.Conduct a Regular Inspection
Finally, it all comes down to how regularly you check your diesel fuel for contamination. Frequently inspecting the fuel and tank for leaks, dirt, rust, water, etc., helps prevent many unforeseen issues that cause the fuel to degrade and lose its shelf life.
