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Identic AdBlue solutions

To meet the future requirements of Vehicle Manufacturers, AdBlue Producers & Distributors, Forecourt Equipment Manufacturers & Vehicle Operators.

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Spill-free Vehicle Refilling of AdBlue

What is AdBlue and why is it needed? AdBlue is a high-purity aqueous Urea solution containing a 32.5% solution of Urea in water. The quality of AdBlue is important and is defined in a DIN standard. DIN 70070.

New legislation regarding exhaust emission limits have been set by the EU. These new exhaust limits come into force in 2005 (EURO4) and in 2008 (EURO5). The limits are set out in several EU Directives, including 88/77/EEC, 1999/96/EC and 2001/27/EC.

Selective Catalytic Reduction (SCR) and AdBlue has been selected by the vehicle manufactures as a solution to reduce the emissions from diesel engines.

SCR systems will be used on diesel powered heavy-duty vehicles over 3.5 tonnes to reduce the nitrogen oxide emissions (N0x). Adblue usage amounts to approx. 3-4% of the fuel consumption on EURO4 vehicles. A typical heavy-duty vehicle will consume approx. 3 tonnes of AdBlue / annum.

How does SCR technology work

SCR is an after-treatment system dealing with emissions in the exhaust system. AdBlue is mixed with air and injected directly into the catalytic converter. A chemical reaction takes place converting the NOx present in the exhaust into a harmless gas and water.

Typical SCR system (example from BOSCH)

Careful Handling of AdBlue is required.

Although AdBlue is considered non-hazardous it presents several challenges during storage and handling on a day to day basis.

AdBlue has the following specific properties.

1/ It quickly crystallises when exposed to air
2/ It freezes at - 11 degrees C
3/ It has a corrosive effect on some common metals
4/ It should be protected from contamination.
5/ It should not be released freely into the environment.

These properties require that AdBlue is handled with care. Any equipment coming into contact must be of suitable material.

Dispensing systems must minimise contact with air to prevent crystallisation, provide protection from the cold and prevent spillage.

Conventional dispensing equipment is not suitable for handling AdBlue.

AdBlue Requires a Sealed Connection

To ensure AdBlue can be handled in a reliable and safe way, IDENTIC have developed a sealed dispensing system for refilling AdBlue on vehicles. This spill-free vehicle refilling system provides the following advantages.

1/ Prevents the risk of spillage, crystallisation and corrosion on the vehicle and the filling point.

2/ Ensures only AdBlue can be filled in the vehicles AdBlue tank preventing the risk of permanent damage to the SCR equipment.

3/ Protects the quality of the AdBlue, preventing the risk of contamination and maintaining the vehicle emission standards it is designed to achieve.

Spill-free Vehicle Refilling (SVR) for AdBlue

AdBlue SVR Nozzle & Tank Inlet Adaptor

Identic has designed a spill-free nozzle specifically for the use with AdBlue. The SVR Nozzle provides a sealed connection between the dispenser and the vehicles AdBlue tank.

AdBlue SVR Tank Inlet Adaptor

Key Benefits

1/ Only AdBlue can be filled in the AdBlue tank
2/ No spillage
3/ No crystallisation
4/ Protects SCR-system from contamination
5/ Automatically filled to correct level
6/ Automatic data collection

A tank inlet adaptor is fitted inside the neck of the vehicles AdBlue tank. This allows the SVR Nozzle to be connected and ensures only AdBlue can be filled.

Key Benefits

1/ Can be installed by the vehicle manufacturer or tank supplier
2/ May be retrofitted by the vehicle operator
3/ Adaptable for all types of vehicle tanks
4/ Allows the tank inlet to be positioned at all angles
5/ Built-in pressure and expansion control

Designs for Tank Inlet Adaptors







Refilling using the SVR Nozzle for AdBlue

AdBlue SVR Nozzle in use

Refilling Sequence - Connection ( Step 1 of 3 )

The operator connects the nozzle to the vehicle AdBlue tank.

( Note the vehicle control module ( VCM) including level sensor. Future options are for quality & temperature sensors.

AdBlue SVR nozzle in use
Refilling Sequence - Filling (Step 2 & 3 )

Pumping begins and the tank is filled to the correct level. The operator is free to stop the filling at any time or wait for the pump to stop automatically. The VCM signals the pump when to start & stop. When filling is complete the nozzle is released simply by depressing the button with the thumb as shown.

Storage and Dispensing Systems for AdBlue

Identic will make AdBlue available in a range of storage systems, ranging from 1000 litre IBC containers to 30,000 litre tanks. This range of storage and dispensing is designed to suit installations of all sizes. Each system will include the IDENTIC SVR AdBlue nozzle

Modular systems from 1 to 15 cubic metre

Key Benefits

1/ Easy transportation - pre-fabricated design
2/ Easy to install - ' plug & play'
3/ Low maintenance costs

Modular Systems for AdBlue in IBC tanks. This is an example of a compact module with storage for 1000 litre IBC container.

Key Benefits same as above

1/ Easy transportation - pre-fabricated design
2/ Easy to install - ' plug & play'
3/ Low maintenance costs

AdBlue Dispensing Units.

Intergrated.

Stand-Alone