The particulate filter on your engine captures both soot and ash. Soot is a by-product
of diesel combustion, while the ash that is collected results from small amounts
of engine lube oil present in the exhaust. While the particulate filter is able
to completely oxidize soot, the accumulated ash cannot be oxidized, so it must be
physically removed from the filter. This is precisely what Detroit Diesel's DPF
cleaning process accomplishes.
- Engine exhaust flows through the porous walls
of
the DPF, where soot and ash are removed
- Accumulated soot is periodically regenerated
from
the filter
- The residual noncombustible material left in
the
plugged filter channels is accumulated ash
- Ash must be removed through our cleaning procedure
