Diesel particulate filters (DPF), sometimes referred to as traps, which resemble large mufflers are aftertreatment devices used to remove 90 percent of the particulate matter from diesel exhaust. They are porous filters generally made of a high-temperature ceramic structure or densely packed ceramic and metal fibers (Figures 1 and 2).

Diesel particulate filters physically capture particulates in the diesel exhaust and prevent their discharge from the exhaust pipe, while allowing exhaust gases to escape. To keep the particulate filters from clogging, collected particulates such as soot must be removed from the filter by burning them off at elevated temperatures. This process is known as regeneration. Regeneration, which can be done either periodically or continuously, involves either the use of electrical heaters, passive heat from the exhaust or injection of a small amount of diesel fuel into the exhaust stream into the filters to burn off the collected particulate matter completely. Any remaining residue and ash is blown against the exhaust flow and into a container trap for disposal. These traps must be cleaned out periodically to keep the diesel particulate filters from clogging.



Onboard diagnostics monitor the particulate trap's condition and manage regeneration. If regeneration is needed and the vehicle is idle, onboard fuel reformers that convert diesel fuel to a more hydrogen-rich, hotter burning fuel will be activated by onboard diagnostics that signal the operator to initiate regeneration. An alternative to onboard regeneration is the cleaning of the diesel particulate filters at a maintenance facility. The EPA requires that diesel particulate filters operate for at least 150,000 miles before they need cleaning. Engine emissions must comply for 435,000 miles.
 

 

MANUFACTURING PROCESS OF ENGINE OIL is not very complicated. For the production, there is need usable and tried a formulation, ingredients ( performance and another additives, base oils,foam agent, pour point depressant, etc. ) and process tank. For ingredients to be used, quantities to be used and ingredients usage rankings, you should look into this formulation and manufacturing process. Therefore, formulation and productıon process of MULTIGRADE, MONOGRADE,SYNTHETIC,SEMI SYNTHETIC MOTOR OIL are important. If you have not a good formulation, you cannot make healthy and  efficient production of any lubricating oils.
 

 

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