How Do I Keep My DEF Tote From Freezing?

How Do I Keep My DEF Tote From Freezing?Freezing is one of DEF’s (Diesel Exhaust Fluid) bigger problems. DEF is made up of a 32.5% urea solution and 67.5% de-ionized water and it may freeze at temperatures at or below 12°F.

Storing and dispensing DEF in cold area presents many challenges. Storage containers range from two-and-a-half gallon jugs to bulk systems that typically hold anywhere from 300 to 4000 U.S. gallons. Because it will freeze, DEF needs protection from the cold. If you’re using a dispensing system, DEF freezes in the pump and hose. This prevents dispensing –even if the container has not frozen yet.

Building an outbuilding to store DEF product can cost tens of thousands of dollars and can cost unnecessary resources. Many facilities also have a premium on space, making indoor storage not feasible.

Heating the containers with a DEF Tote Heater saves time and energy by only heating the unit. You will want to find a DEF Tote Heater that:

  1. Protects the pump and hose.
  2. Fully wraps around the entire tote and dispensing unit.
  3. Keeps the DEF at its optimal temperature even factoring in heat loss from cold temperatures and wind.
  4. Evenly heats so the DEF is not overheated nor left unprotected.
  5. Utilizes a thermostatic controller to monitor and maintain the proper temperature.

Also look for similar solutions if you keep your DEF stored in:

  • 330 gallon IBC Totes
  • 275 gallon IBC Totes
  • 55 gallon drums
  • 30 gallon drums
  • 15 gallon drums
  • 5 gallon drums

 

For more information about Heavy-Duty Highway Diesel Program visit the U.S. Environmental Protection Agency.

 

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