Anti-crystallisation AdBlue solution15 January 2021

Total UK has launched CLEARNOX, which prevents crystallisation in the selective catalytic reduction (SCR) system in on-road and off-road vehicles including HGVs, buses and coaches, and construction and agricultural equipment.

Like AdBlue, CLEARNOX treats nitrogen oxide (NOx) but also eliminates the risk of downtime by preventing crystallisation in the selective catalytic reduction (SCR) system, according to Total.

Crystallisation is a problem that can arise when the exhaust gases are not hot enough to react properly with AdBlue so that it does not completely turn into ammonia. When this happens, cyanuric crystals can form which can contaminate the system and bring the vehicle to a standstill.

CLEARNOX is a ready-to-use urea solution suitable for all on-road and off-road vehicles and equipment fitted with SCR technology. It guarantees an optimal spray that ensures a complete reaction, even at low temperatures, to prevent crystallisation in the SCR system.

Patented by Total and developed by its researchers in partnership with engine and vehicle manufacturers, CLEARNOX complies with the physical and chemical specifications in the ISO 22241 standard and ensures compliance with emissions levels in pollution and control standards.

For optimal operation, the vehicle’s SCR system should be cleaned at a certified auto repair centre prior to the solution being introduced.

Transport Engineer

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