Can't Use Urea Solution With Low Purity,why?

Aug 06, 2024 Leave a message

Automotive Grade Urea Solution

When choosing Automotive Grade Urea Solution, in addition to price and brand preference, we should also consider factors such as purity, atomization, low-temperature conversion rate, and chemical stability. For example, a well-atomized urea Solution has a moderate surface tension, which can form small and uniform droplets during injection, which is beneficial for fully mixing with exhaust gas for catalytic reduction reactions.

The concern of truckers is still the purity of urea Solution. Most people know the importance of urea Solution purity, but may not be very clear about the reasons. From the perspective of a professional urea Solution research and development manufacturer, New Blue Environmental Protection analyzes why urea Solution with low purity cannot be used for truckers.

 

 

Can't use urea solution with low purity,why?

 

 

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01.Poor treatment effect of tail gas

Insufficient purity will lead to a decrease in the effective ingredient content in the urea Solution. When the urea Solution reacts chemically with nitrogen oxides in the exhaust gas, it cannot fully convert them into harmless substances, which affects the effectiveness of the exhaust gas treatment and leads to substandard emissions.

02.Increased risk of crystallization blockage

High impurity content will change the physical and chemical properties of urea Solution, making it easier to form crystals during injection and decomposition.These crystals will deposit on components such as urea nozzles, pipelines, and urea tanks, causing blockages and affecting the normal operation of the post-treatment system.

03.Corrosion and damage to parts

Impure urea Solution may contain corrosive components, which can cause corrosion and damage to metal parts such as urea pumps, sensors, and catalytic converters over time, shortening their lifespan and increasing vehicle repair and maintenance costs.

04.Causing limited torque and speed

If the urea Solution cannot effectively purify the exhaust gas due to purity issues, or if the quality of the urea Solution is not up to standard, it will cause the truck to limit its torque and speed.

Factor 5: impact on the stability and resistance to burning of urea Solution

Insufficient purity of urea Solution can lead to unstable physical and chemical properties of the Solution, inconsistent treatment of exhaust gas under different operating conditions, and poor resistance to burning of urea Solution, resulting in abnormal consumption of urea Solution.

05.impact on the stability and resistance to burning of urea Solution

Insufficient purity of urea Solution can lead to unstable physical and chemical properties of the Solution, inconsistent treatment of exhaust gas under different operating conditions, and poor resistance to burning of urea Solution, resulting in abnormal consumption of urea Solution.

06.Increased fuel consumption

Phenomena such as poor exhaust treatment effect, engine speed and torque limitation, and abnormal DPF regeneration caused by low purity of urea Solution will directly or indirectly increase fuel consumption.

 

newBlue

New Blue Shangchun: National VI standard, purer quality

high purity urea Solution

The National VI system has higher requirements for the quality of urea Solution, mainly for purity.

NEWBLUE Environmental Protection is one of the drafters of the China's National Standard for Group Standards for Urea Aqueous Solution, which further clarifies the technical standards for Group VI urea Solution.

Based on China's National VI standard, Xinlan Environmental Protection has developed Xinlan Shangchun urea Solution, which uses the industry's unique "ultra-pure filtration" system technology to remove crystallization and scaling inducers such as biuret and triuret in urea Solution, and the content indicators of harmful substances such as heavy metals, insoluble substances, aldehydes, and phosphates can reach undetectable or trace levels.

High-purity new blue Shangchun urea Solution is crystallized and inhibited from the source, which can effectively reduce post-processing system failures such as crystallization scaling, catalyst poisoning, pipeline and nozzle blockage, reduce maintenance probability and parts replacement frequency, and make the system more new.Participating in tail gas purification results in higher conversion rates and stronger low-temperature catalytic capabilities. Compared to ordinary brands, using the same amount of NewBlue Automotive Grade Urea Solution can purify more equivalent tail gas, thereby reducing consumption and achieving true burn resistance and cost reduction.

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