Title: 80 to 99% removal with diesel particuate filter

The performance of the Johnson Matthey P-DPF was evaluated in a study that was conducted by the US EPA in 2014. Because this study was non-commercial based, Johnson Matthey is not named in the study, but the P-DPF that was used for the study is a Johnson Matthey P-DPF. Effectiveness of aftermarket controls on reducing PM and BC from three stationary diesel gensets (230, 400, and 600 kW) of varying engine displacement (from 8.8 to 27 L) and physical size was investigated. Uncontrolled emissions were compared with emissions controlled with a passive (P-DPF) and active diesel particulate filter (A-DPF) and a diesel oxidation catalyst (DOC). Overall, the DPFs resulted in significant PM mass removal (~80–99 %), while the DOC resulted in statistically insignificant reductions (~0–25 %). Both BC and elemental carbon (EC) removal followed a similar trend.

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  • Johnson Matthey

  • Diesel Particulate Filter

 

 

 

 

 

 

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