Diesel Oxidation Catalyst Restoring Technology For Truck Fleet Operators
Restore TM Multi-Step Chemical Process Selectively Removes Contamination & Poisons
and Replaces Lost Precious Metals

Removes Contaminates
The Restore Process, is a multistep chemical extraction procedure that selectively removes phosphate deposits , sooty oils, and deactivating poisons, without harming the original active catalyst materials.

Replaces Precious Metals
The Restore Process also replaces Precious Metals lost while previously in service. The additional precious metal restores the catalyst coatings back to original OE metal levels.

Results in Improved Performance
Catalyst Restoration also involves multiple heat treating process that results in 90% greater performance and DOC runs like new.
Phosphates Contamination & Catalyst Poisons The Main Cause of DOC Deterioration and Deactivation

Signs of any deteriorated or nonfunctioning DOC
Phosphate materials lock onto and contaminate the catalyst surface. These and other poisons collect and deactivate the catalyst surface over time.
Gradually covering the active catalyst surface over time; these materials masks the active catalyst surface and block interaction with exhaust gas. Contaminants and catalyst poisons also infuse deeper into the catalyst coating which caused further deactivation.
In some cases, the DOC will clog and restrict exhaust gas flow.
When DOC performance falls below a certain threshold, it cannot keep itself clean, or support reliable particulate filter regeneration.
Diesel Oxidation Catalyst (DOC ) Important Role in Particulate Filter Regeneration
The DOC is a key exhaust emissions control device, which is also critical to Reliable Particulate Filter Regeneration regimes.
Low DOC performance results in poor emissions, incomplete filter regenerations and ultimately leads to particulate filter failure.
One role of a DOC in the system is to scrub diesel exhaust emissions. In the case of Particulate Filter equipped exhaust systems , the DOC also raises exhaust gas temperature and increases nitrogen dioxide concentration in the exhaust stream. These combined effects are crucial for reliable particulate filter regeneration and performance.
Typically, filter regeneration events begin when the electronic fuel control system injects excess fuel into the exhaust stream. The excess unburned fuel reacts strongly inside the catalyst which then creates substantial heat, and increases the nitrogen dioxide in the exhaust.
When the DOC is operating at a low rate of performance, insufficient heat is generated. Without the required high exhaust temperature, the Particulate Filter will not Regenerate, and fails.

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Frequently Asked Questions About DPF360 Restoration Services
What Makes DPF360's Restore™ Process Superior to Standard Cleaning?
DPF360's Restore™ process is a revolutionary multi-step chemical extraction procedure that goes far beyond standard cleaning methods. Our proprietary technology selectively removes phosphate deposits, sooty oils, and deactivating poisons without harming the original active catalyst materials. Unlike basic cleaning that only addresses surface contamination, our Restore™ process also replaces precious metals lost during service, restoring catalyst coatings back to original OE metal levels and resulting in 90% greater performance.
How Does Phosphate Contamination Affect DOC Performance?
Phosphate contamination is the primary cause of DOC deterioration and deactivation. These materials lock onto and contaminate the catalyst surface, gradually masking the active areas and blocking interaction with exhaust gas. Contaminants and catalyst poisons infuse deeper into the catalyst coating, causing further deactivation and sometimes complete clogging that restricts exhaust flow. When DOC performance falls below threshold levels, it cannot maintain itself or support reliable particulate filter regeneration.
Why Is DOC Restoration Critical for Particulate Filter Performance?
The DOC plays a crucial role in particulate filter regeneration by raising exhaust gas temperature and increasing nitrogen dioxide concentration. When the electronic fuel system injects excess fuel for regeneration, it must react strongly inside the catalyst to create substantial heat. Low-performing DOCs generate insufficient heat, preventing proper particulate filter regeneration and ultimately leading to filter failure. Our restoration process ensures DOCs operate at peak efficiency for reliable regeneration cycles.
What Results Can Fleet Operators Expect from DOC Restoration?
Fleet operators can expect dramatically improved performance with DOCs that run like new after our restoration process. The multi-step chemical extraction removes all contamination while heat treating restores catalyst activity to 90% greater performance levels. This translates to reliable particulate filter regeneration, reduced emissions, fewer regeneration cycles, extended filter life, and decreased maintenance costs. Our before and after testing demonstrates restored DOCs perform at original equipment specifications.
How Does DPF360's Restoration Technology Benefit Truck Fleet Operations?
DPF360's restoration technology provides fleet operators with a cost-effective alternative to expensive DOC replacement while ensuring optimal emission system performance. Our Restore™ process extends component life, reduces downtime, and maintains EPA compliance standards. By restoring DOCs to like-new performance levels, fleets experience fewer regeneration issues, reduced fuel consumption during regen cycles, and significant cost savings compared to purchasing new components. This proven technology helps maintain efficient fleet operations while meeting environmental regulations.