By: Greg Gill / October 3, 2018

Dear Customers,

It’s that time of year again. Temperatures are dropping, and flu season is starting. Yep, it’s winter. As a valued customer, we want to provide you with all you need to know about how you can protect your fuel from cold-weather.

The first issue is the “why.” Why are these issues happening? Here are the reasons:

  1. When temperatures drop below freezing (32 degrees F), the paraffin wax in diesel that improves lubricity and viscosity can thicken and start to crystalize.
  2. Wax crystals stick together, giving the fuel a cloudy appearance (known as the cloud point).
  3. As the gelling process reaches the Cold Filter Plugging Point (CFPP) at 10 degrees F, the crystals will solidify enough to cause blockage to the fuel filter and prevent engines from starting.

There are numerous factors that impact wax crystal growth. First, is fuels solvency. Essentially, how much wax can be dissolved at any given time? Second, total wax-how much wax precipitates between cloud point and temperature. Lastly, wax distribution, which is the amount of each wax chain relative to the other waxes.

How can this be prevented?

Businesses need to be PREPARED. When preparing for cold weather, you need to do a few things:

  1. Monitor future temperature cycles and weekend downtime
  2. Focus on storage tank housekeeping
    1. Saddle tanks (drain water/maintain fuel separators)
    2. Bulk storage (monthly fuel analysis)
Know what you’re buyingwinter blog
  1. Moisture (entrained/bottom water)
  2. Paraffin content (directly related to crude slate and refinery)

You also want to make sure you do everything possible to keep water from entering your tank. You can do his by:

  1. Remove standing water, ice, or snow around tank fill covers
  2. Make sure all opening bungs, caps and cord grips are tight and replace caps or gaskets as needed
  3. Change filters frequently, and look for signs of corrosion on filter and housing
  4. Pay close attention to leak detection equipment

As you read this, ask yourself. Is your fuel winter ready?

Categories: winter additive, winter fuel, additize

Greg Gill

Written by

Greg Gill

I’m passionate about fully understanding my customers’ fuel operations and the fuel markets in which they operate. I want them to view me as their fuel expert. To develop strong, trusting partnerships with customers, I have to provide them with meaningful and timely information to ease the challenges of making smart fuel decisions, allowing them to focus on their core business.

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