scholarly journals Effect of Biodiesel Blends on Diesel Particulate Filter Performance

2006 ◽  
Author(s):  
Aaron Williams ◽  
Robert L. McCormick ◽  
R. Robert Hayes ◽  
John Ireland ◽  
Howard L. Fang
Keyword(s):  
Diesel Particulate Filter ◽  
Particulate Filter ◽  
Diesel Particulate ◽  
Biodiesel Blends ◽  
Filter Performance

Experimental study of lubricant-derived ash effects on diesel particulate filter performance

2019 ◽  
pp. 146808741987457 ◽  
Author(s):  
Jun Zhang ◽  
Yanfei Li ◽  
Victor W Wong ◽  
Shijin Shuai ◽  
Jinzhu Qi ◽  
...  
Keyword(s):  
Pressure Drop ◽  
Diesel Particulate Filter ◽  
Particulate Filter ◽  
Maximum Temperature ◽  
Particle Emissions ◽  
Diesel Particulate ◽  
Particulate Filters ◽  
Filter Performance ◽  
Soot Loading ◽  
Active Regeneration

Diesel particulate filters are indispensable for diesel engines to meet the increasingly stringent emission regulations. A large amount of ash would accumulate in the diesel particulate filter over time, which would significantly affect the diesel particulate filter performance. In this work, the lubricant-derived ash effects on diesel particulate filter pressure drop, diesel particulate filter filtration performance, diesel particulate filter temperature field during active regeneration, and diesel particulate filter downstream emissions during active regeneration were studied on an engine test bench. The test results show that the ash accumulated in the diesel particulate filter would decrease the diesel particulate filter pressure drop due to the “membrane effect” when the diesel particulate filter ash loading is lower than about 10 g/L, beyond which the diesel particulate filter pressure drop would be increased due to the reduction of diesel particulate filter effective volume. The ash loaded in the diesel particulate filter could significantly improve the diesel particulate filter filtration efficiency because it would fill the pores of diesel particulate filter wall. The diesel particulate filter peak temperature during active regeneration is consistent with the diesel particulate filter initial actual soot loading density prior to regeneration at various diesel particulate filter ash loading levels, while the diesel particulate filter maximum temperature gradient would increase with the diesel particulate filter ash loading increase, whether the diesel particulate filter is regenerated at the same soot loading level or the same diesel particulate filter pressure drop level. The ash accumulation in the diesel particulate filter shows little effects on diesel particulate filter downstream CO, total hydrocarbons, N2O emissions, and NO2/NO x ratio during active regeneration. However, a small amount of SO2 emissions was observed when the diesel particulate filter ash loading is higher than 10 g/L. The ash accumulated in the diesel particulate filter would increase the diesel particulate filter downstream sub-23 nm particle emissions but decrease larger particle emissions during active regeneration.

Experimental Study of Thermal Aging on Catalytic Diesel Particulate Filter Performance

2013 ◽  
Vol 6 (2) ◽  
pp. 688-698 ◽  
Author(s):  
Dimitrios Zarvalis ◽  
Dimitrios Pappas ◽  
Souzana Lorentzou ◽  
Theofilaktos Akritidis ◽  
Leonidas Chasapidis ◽  
...  
Keyword(s):  
Experimental Study ◽  
Thermal Aging ◽  
Diesel Particulate Filter ◽  
Particulate Filter ◽  
Diesel Particulate ◽  
Filter Performance

Modeling Study of Metal Fiber Diesel Particulate Filter Performance

2015 ◽  
Author(s):  
Yujun Wang ◽  
Carl Kamp ◽  
Amin Saeid ◽  
Chris Jackson ◽  
Jim Ernstmeyer ◽  
...  
Keyword(s):  
Diesel Particulate Filter ◽  
Particulate Filter ◽  
Metal Fiber ◽  
Diesel Particulate ◽  
Filter Performance ◽  
Modeling Study

scholarly journals Diesel Particulate Filter-Related Fuel Efficiency Improvements Using Biodiesel Blends in Conjunction With Advanced Aftertreatment Sensing and Controls

2015 ◽  
Author(s):  
Alexander Sappok ◽  
Paul Ragaller ◽  
Leslie Bromberg ◽  
Vitaly Prikhodko ◽  
John Storey ◽  
...  
Keyword(s):  
Radio Frequency ◽  
Diesel Particulate Filter ◽  
Fuel Efficiency ◽  
Particulate Filter ◽  
Diesel Particulate ◽  
Biodiesel Blends ◽  
Oxidation Rates ◽  
Dpf Regeneration ◽  
Radio Frequency Sensor ◽  
And Control

It is well known that biodiesel may reduce engine-out particulate matter (PM) emissions and result in PM which has more favorable oxidation characteristics relative to PM derived solely from petroleum diesel. This study investigated the use of neat biodiesel, as well as blends, with a light-duty diesel engine equipped with a catalyzed diesel particulate filter (DPF) and radio frequency particulate filter sensor. The results show a reduction in engine-out PM emissions with increasing biodiesel blend levels and a corresponding increase in the duration between DPF regenerations. In situ measurements of the PM oxidation rates on the DPF using the radio frequency sensor further indicated more rapid oxidation of the biodiesel-derived PM with lower light-off temperatures relative to the petroleum-derived PM. The conclusions indicate considerable potential to extend DPF regeneration intervals and decrease regeneration duration when biodiesel blends are used in conjunction with advanced DPF sensing and control systems, thereby reducing the DPF-related fuel consumption.

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