Fiber Wound Electrically Regenerable Diesel Particulate Filter Cartridge for Small Diesel Engines

Shirk, Ryan; Bloom, Richard L.; Kitahara, Yasuhisa; Shinzawa, Motohiro

doi:10.4271/950153

Cited by 18 publications

(5 citation statements)

References 6 publications

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“…In an active regeneration of DPF, particulate matter is oxidized periodically by heat as soon as the soot loading in the filter reaches a set limit (about 45%) indicated by pressure drop across the [15]. Heat is supplied from outside sources, such as via an electric heater [78] or a flame-based burner [79] to burn soot captured in the filter by temperature rise above 600 0 C. Active system entails serious stability problems for the filter materials, since temperatures as high as melting point of the filter [80] can be locally reached when the soot is burned suddenly. In addition, thermal regeneration consumes large amounts of energy.…”

Section: Regeneration Of Dpfsmentioning

confidence: 99%

A Review on Diesel Soot Emission, its Effect and Control

Прасад

Bella

2010

Bull. Chem. React. Eng. Catal.

147

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The diesel engines are energy efficient, but their particulate (soot) emissions are responsible of severe environmentaland health problems. This review provides a survey on published information regarding dieselsoot emission, its adverse effects on the human health, environment, vegetations, climate, etc. The legislationsto limit diesel emissions and ways to minimize soot emission are also summarized. Soot particles aresuspected to the development of cancer; cardiovascular and respiratory health effects; pollution of air, water,and soil; impact agriculture productivity, soiling of buildings; reductions in visibility; and global climatechange. The review covers important recent developments on technologies for control of particulate matter(PM); diesel particulate filters (DPFs), summarizing new filter and catalyst materials and DPM measurement.DPF technology is in a state of optimization and cost reduction. New DPF regeneration strategies(active, passive and plasma-assisted regenerations) as well as the new learning on the fundamentals ofsoot/catalyst interaction are described. Recent developments in diesel oxidation catalysts (DOC) are alsosummarized showing potential issues with advanced combustion strategies, important interactions on NO2formation, and new formulations for durability. Finally, systematic compilation of the concerned newer literatureon catalytic oxidation of soot in a well conceivable tabular form is given. A total of 156 referencesare cited. ©2010 BCREC UNDIP. All rights reserved(Received: 2nd June 2010, Revised: 17th June 2010; Accepted: 24th June 2010)[How to Cite: R. Prasad, V.R. Bella. (2010). Review on Diesel Soot Emission, its Effect and Control. Bulletin of Chemical Reaction Engineering and Catalysis, 5(2): 69-86. doi:10.9767/bcrec.5.2.794.69-86

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Section: Regeneration Of Dpfsmentioning

confidence: 99%

A Review on Diesel Soot Emission, its Effect and Control

Прасад

Bella

2010

Bull. Chem. React. Eng. Catal.

147

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“…Two of the biggest challenges to be overcome are the robustness of the filter, in terms of both structure (7)(8)(9)(10)(11)(12)(13)(14) and material (15)(16)(17)(18)(19)(20)(21), and how to remove the trapped soot and hence regenerate the DPF (22)(23)(24)(25)(26)(27)(28)(29)(30)(31)(32). Some of the methods for regenerating the DPF rely on a platinum catalyst (33).…”

Section: Introductionmentioning

confidence: 99%

Metal Emissions, NO2 and HC Reduction from a Base Metal Catalysed DPF/FBC System

Richards¹,

Vincent²,

Johansen³

et al. 2006

SAE Technical Paper Series

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Due to concerns over NO 2 emissions from platinum catalysts a base metal catalysed diesel particulate filter (DPF) has been developed and used in combination with fuel borne catalysts (FBC). Results are presented showing reductions in HC, NO X , NO 2 , and PAH emissions along with an assessment of the emissions of metals used in the FBC and the catalysed DPF. This data is used to show the likely reduction in overall iron and other metal emissions as a result of using the catalysed DPF/FBC system. A similar system has also been assessed for durability for over 2000 hours when fitted to a bus in regular service in Switzerland.

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“…To date regeneration is performed by electrical heating or by fuel burning to the ignition temperature of soot. Such systems are in general too expensive and complicated in operation to gain general acceptance (Huthwohl et al, 1987;Rao et al, 1985;Shirk et al, 1995).…”

Section: Introductionmentioning

confidence: 99%