Cetane (DFL contains Cetane Boost)
Cetane is a critical parameter in diesel fuel because it directly affects the combustion quality and performance of the fuel in diesel engines. Here’s why adding DFL with Cetane Boost is important:
1. Better Ignition Quality
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Cetane number (CN) measures how quickly diesel fuel ignites after being injected into the combustion chamber. A higher cetane number means the fuel ignites more readily, leading to smoother and more efficient combustion.
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Diesel engines rely on compression ignition, so the fuel must ignite quickly and reliably under high pressure and temperature. The Cetane in DFL at 1:500 can raise the cetane number by up to 10 points. (fuel suppliers cetane numbers can vary)
2. More Engine Performance
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Higher cetane numbers improve engine performance by reducing ignition delay (the time between fuel injection and ignition). This results in:
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Smoother engine operation.
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Better cold-start performance, especially in cold weather.
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Reduced engine knocking or "diesel knock," which can damage the engine over time.
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Lower cetane numbers can cause incomplete combustion, leading to poor performance, increased noise, and higher emissions.
3. Increased Fuel Efficiency
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Fuels with higher cetane numbers tend to burn more completely and efficiently, improving fuel economy and reducing fuel consumption. In most cases, adding DFL at 1:500 can reduce L/100km by up to 3. Fuel savings are significant.
4. Reduce Emissions
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Higher cetane fuels produce fewer harmful emissions, such as:
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Nitrogen oxides (NOx).
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Particulate matter (PM).
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Hydrocarbons (HC).
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This is because the fuel burns more completely and at a more controlled rate.
5. Longer Engine Life
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Fuels with higher cetane numbers reduce stress on the engine by ensuring smoother and more consistent combustion. This can extend the lifespan of engine components.
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Typical Cetane Numbers (40-45)
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Canadian refinery requirements for diesel fuels typically is 40 - 45.
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Adding DFL may raise cetane numbers to 55 or higher.
Regulatory Standards
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Many countries have minimum cetane requirements for diesel fuel to ensure adequate performance and reduce emissions. For example:
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In the U.S and Canada., the minimum cetane number is 40.
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In Europe, the minimum is 51.
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Conclusion
Adding DFL with its Cetane Boost is a vital property of diesel fuel and it directly impacts ignition quality, engine performance, fuel efficiency, emissions, and engine durability. Using DFL along with quality diesel fuel, with an appropriate cetane number for your engine ensures optimal operation and longevity.