Traditional
Diesel Particulate Filter systems
consist of a filter material positioned
in the exhaust designed to collect
solid and liquid particulate matter
emissions while allowing the exhaust
gases to pass through the ceramic
walls. Our modern Catalyzed Diesel
Particulate Filters (CDPF) are designed
not only to achieve collection efficiencies
of 90% or greater in terms of mass
(over 95% when expressed as number
of ultra fine particles), but also
to burn off the collected particulate
matter into carbon dioxide and water.
The incorporation of catalytic coating
on our C2 and PX CDPFs lowers the
temperature at which particulate matter
burns. To achieve this auto-ignite
and the sustain combustion of collected
particulate matter CDPFs must attain
a minimum temperature of approximately
250C that can be helped by electrical
heating if the engine-out exhaust
temperature of a heavy-duty engine
does not typically achieve this required
temperature level.
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