Choosing the Right AdBlue Tank for Safe Handling

Fleet managers and industrial operations must maintain Diesel Exhaust Fluid (DEF) purity to comply with emissions standards. Improper fluid handling compromises catalytic systems and leads to costly mechanical downtime. This guide demystifies AdBlue tank selection and storage parameters to help you protect your machinery and guarantee safe fleet operations.

What is an AdBlue Tank? 

This is a unique tank built to hold an emissions control solution of 32.5% synthetic urea and 67.5% deionized water. The mixture works in Selective Catalytic Reduction to produce nitrogen and water from nitrogen oxides. 

Due to logistics issues, transport firms usually have AdBlue fuel tanks located on-site to replenish their HGVs, etc. Firms with extensive diesel engines can build fuel tanks between 100 and 10,000 liters, depending on the size of the firm. As emission regulations become stringent, industries like construction and agriculture are using SCR technology and thus need AdBlue.

Types of AdBlue Storage Tanks 

IBC Tanks

Intermediate Bulk Containers (IBCs) are mobile, square tanks holding 1,000 liters of fluid. The containers are enclosed in an outer metal cage and an inner container made from hard plastic material. 

IBC tanks are suitable for companies that use intermediate quantities of liquids that need to be positioned around different work areas. They allow easy transport via forklifts, making them ideal for dynamic industrial zones.

Fixed Storage Tanks

Fixed storage tanks have a capacity of 1,300 to 10,000 liters. These tanks suit high-volume transporting organizations such as those in agriculture, transport industries, and construction sites. 

They come equipped with electronic dispenser facilities, telemetry system tracking, and heavy-duty locks for security purposes. These features streamline refueling workflows for massive heavy-goods vehicle fleets.

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Material and Design Requirements

AdBlue has ammonia in it, a chemical that corrodes some metals, and failure to store it correctly may cause contamination. Wrong or contaminated tanks may affect your car—requiring repairs, even to the point of having to replace the SCR catalyst. High-density polyethylene, polypropylene, and stainless steel are the only suitable containers for storing AdBlue.

A bunded system is important in bulk storage facilities. In this regard, the AdBlue tanks are constructed using the dual skin tank concept. The tank consists of an outer tank whose volume exceeds 110% of that of the inner tank. This acts as a precaution against leaks, thus protecting the environment from fluid spills.

Moreover, while AdBlue is classified as a non-hazardous fluid for transport, it poses significant risks to surface water and groundwater if spilled. Local environmental protection agencies enforce strict regulatory frameworks to avoid widespread ecological contamination:

• ISO 22241 & DIN 70070 Purity Compliance: Storage machinery must adhere strictly to ISO 22241-3 guidelines for handling and storage. It details materials verification to ensure fluid integrity. DIN 70070, meanwhile, acts as the baseline parameter for testing physical and chemical parameters.
  
• EU Stage V & Euro 6 Regulations: Under EU Stage V directives for Non-Road Mobile Machinery (NRMM), emissions output from equipment above 19 kW must be carefully monitored. Storing certified fluid guarantees that engine SCR systems achieve these legal limits continuously.
  
• Secondary Containment Rules (UK Environment Agency / CIRIA): Government frameworks recommend a self-bunded design for commercial setups. The bund must track 110% of total volume capacity under general pollution prevention rules.

• Proximity to Waterways: Storage systems must sit away from open grates, surface water drains, boreholes, and unpaved ground. Any bulk spill into a waterway triggers severe structural and environmental penalties from authorities.
  
• Spill Kit Requirements: Facilities must position dedicated chemical spill kits next to the refilling point. These kits contain specialized absorbent pads and containment booms, as water-based fluid spreads quickly on flat concrete.
  
• Runoff Prevention Valves: Heavy-duty industrial setups utilize automatic overfill prevention valves and digital leak alarms. These instruments shut down fluid transfer pumps immediately if they detect internal pipe drops or tank expansion failures.
  

How to Store AdBlue Safely?

AdBlue should always be stored in a place that is cold and dark. That is, at temperatures ranging from -6°C to 25°C in an airtight container. AdBlue will freeze at -11°C, so it should be consistently stored above this temperature. Nevertheless, if AdBlue freezes, it can be defrosted and then used again.

In summary…

• Temperature Ranges: Store the liquid between -6°C and 25°C. The solution begins to freeze at -11°C and degrades rapidly if kept above 30°C.
  
• Weather Protection: Keep storage units out of direct sunlight in a dry, well-ventilated, shaded space. Sunlight accelerates chemical breakdown.
  
• Contamination Controls: Keep all filling nozzles, hoses, and coupler systems sealed. Small amounts of dust or fuel can ruin an entire bulk batch.
  
• Winter Preparation: Use insulated or heated tank options during freezing winter conditions. Frozen fluid can be thawed and reused, but repeated freeze-thaw cycles stress structural joints.

Common Mistakes (Including AdBlue in Fuel Tank)

The following are the common mistakes when storing AdBlue: 

• Putting AdBlue in fuel tank compartments is a frequent and expensive mistake. The two fluids look different, but mistakes happen when the filling ports are positioned too close to one another. When AdBlue is added into the fuel lines, it causes corrosion throughout the fuel pump and injector lines.

• Avoid using unapproved containers like old oil drums for storage because residual hydrocarbons degrade the urea solution instantly.

• Overfilling the tank because the liquid expands when it freezes and can crack single-wall containers.

500L Portable ADblue Transfer Tank with Nozzle

Tanks are manufactured with a unique diesel grade polyethylene that is UV stabilised and impact resistant. The colour blue denotes ADblue. With heavy duty reliable 12 volt or 24 volt pumps .you can choose 240L or 480L tank, Also features a lockable filling cap and a lockable cover to protect your diesel.

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Conclusion

Selecting the correct AdBlue tank requires choosing the right materials, using bunded containment, and managing temperatures carefully. Following material standards also ensures that there is no breakdown of fluids and ensures your fleet SCR systems function properly. Overall, proper containment setups protect your machinery investments. 

Aocheng delivers efficient AdBlue storage tanks across 120 countries using ten dedicated production lines at four manufacturing bases. The company holds ISO 9001, CE, and RoHS certifications, proving its strict adherence to international industrial safety standards. 

Our heavy-duty fluid equipment line includes specialized pumps, precise flow meters, and huge storage setups built for tough industrial settings. Contact the Aocheng engineering team today to request a custom quote for your commercial fleet.

Frequently Asked Questions

Does it matter what type of AdBlue you use?

• The type of AdBlue you use matters only if it meets the proper quality standards. Regardless of brand, always choose AdBlue certified under ISO 22241. This ensures the fluid is safe for SCR systems and will not damage the catalyst.

How many kilometers does a tank of AdBlue last?

• Under typical driving conditions, a full tank should last approximately 10,000 to 17,000 kilometres.

Is there a difference between AdBlue 22241 and 22241-1?

• ISO 22241 is the international standard for AdBlue. The sub-part, which specifies the quality characteristics, is called ISO 22241-1. Well, they are actually talking about the same standard. However, there is only a slight difference in that one is specifying a particular part of the standard.

Is all AdBlue the same quality? 

• Yes, all AdBlue is the same quality. It is made using urea, which is present in urine, and deionized water. All AdBlue is made to a standardized formula (consisting of 32.5% urea and 67.5% deionized water).