Relevant bibliographies by topics / Diesel exhaust oxidation catalyst

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Diesel exhaust oxidation catalyst'

Author: Grafiati
Published: 9 September 2021
Last updated: 29 July 2025

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Journal articles on the topic "Diesel exhaust oxidation catalyst"

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Nakamura, Maki, Koji Yokota, and Masakuni Ozawa. "Numerical Calculation Optimization for Particulate Matter Trapping and Oxidation of Catalytic Diesel Particulate Filter." Applied Sciences 15, no. 5 (2025): 2356. https://doi.org/10.3390/app15052356.

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In recent years, the transition to electric vehicles has accelerated significantly. However, this shift does not imply the complete elimination of diesel engine vehicles, particularly in commercial and cargo transport, where diesel engines remain essential due to their high thermal efficiency and torque. Despite their advantages, diesel engines produce particulate matter (PM) in their exhaust, which poses environmental and health risks. To mitigate PM emissions, diesel particulate filters (DPFs) are integrated into exhaust systems. However, as PM accumulates in the DPF, pressure drops occur, i
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Schröder, Jörg, Franziska Hartmann, Robert Eschrich, et al. "Accelerated performance and durability test of the exhaust aftertreatment system by contaminated biodiesel." International Journal of Engine Research 18, no. 10 (2017): 1067–76. http://dx.doi.org/10.1177/1468087417700762.

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The consumption of fossil and especially alternative fuels from renewable sources is supposed to rise in the future. Biofuels as well as fossil fuels often contain alkali and alkaline earth metal impurities that are potential poisons for automotive exhaust catalysts. The impact of these contaminations on the long-time performance of the exhaust aftertreatment system is a major concern. However, engine test bench studies consume considerable amounts of fuel, manpower and time. The purpose of this research project was to examine whether accelerated engine tests can be achieved by a modified dies
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Goto, Yosuke, Naohiro Kato, Shota Kawashima, Yoshiyuki Hayashi, Hideki Goto, and Masao Hori. "Applicable Diesel Oxidation Catalyst for Multi-Diesel Exhaust System." SAE International Journal of Fuels and Lubricants 7, no. 2 (2014): 496–502. http://dx.doi.org/10.4271/2014-01-1511.

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Rümmele, Florian, Alexander Susdorf, Syed Muhammad Salman Haider, and Robert Szolak. "Light-off Investigation of Oxymethylene Ether (OME) Considering the Presence of the Exhaust Components Heptane, Carbon, and Nitrogen Monoxide." Emission Control Science and Technology 7, no. 4 (2021): 348–58. http://dx.doi.org/10.1007/s40825-021-00202-5.

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AbstractSynthetic fuels and fuel blends like OMEs can contribute to tank-to-wheel CO2 emission savings. At the same time, it is known that these fuels have a lower exhaust temperature compared to conventional diesel. This effect has major impact on the exhaust after-treatment system, particularly in cold start conditions. This paper investigates the light-off behavior of exhaust gases containing OMEs by temperature-programmed oxidation experiments using a state-of-the-art oxidation catalyst. The main side product of catalytic oxidation of OMEs between 100 °C and the oxidation temperature T50,
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Jabłońska, Magdalena, and Regina Palkovits. "It is no laughing matter: nitrous oxide formation in diesel engines and advances in its abatement over rhodium-based catalysts." Catalysis Science & Technology 6, no. 21 (2016): 7671–87. http://dx.doi.org/10.1039/c6cy01126h.

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N<sub>2</sub>O appears as one of the undesired by-products in exhaust gases emitted from diesel engine aftertreatment systems, such as diesel oxidation catalysts (DOC), lean NO<sub>x</sub> trap (LNT, also known as NO<sub>x</sub> storage and reduction (NSR)) or selective catalytic reduction (NH<sub>3</sub>-SCR and HC-SCR) and ammonia slip catalysts (ASC, AMOX, guard catalyst).
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Leonardi, Sabrina Antonela, Eduardo Ernesto Miró, and Viviana Guadalupe Milt. "Activity of Catalytic Ceramic Papers to Remove Soot Particles—A Study of Different Types of Soot." Catalysts 12, no. 8 (2022): 855. http://dx.doi.org/10.3390/catal12080855.

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Diesel soot particles are of concern for both the environment and health. To catalytically remove them, it is important to know their structure and composition. There is little described in the literature on how catalysts favor the combustion of different soot fractions. In this work, programmed temperature oxidation (TPO) experiments were carried out using Co,Ce or Co,Ba,K catalysts supported on ceramic papers. Soot particles were obtained by burning diesel fuel in a vessel (LabSoot) or by filtering exhaust gases from a turbo diesel engine in a DPF filter (BenchSoot), and compared with a comm
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Yashnik, S. A. "Catalytic systems for neutralization of exhaust gases from diesel engines: modern challenges and technological solutions to improve a diesel oxidation catalyst." Kataliz v promyshlennosti 22, no. 2 (2022): 25–41. http://dx.doi.org/10.18412/1816-0387-2022-2-25-41.

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Diesel vehicles are responsible for the emission of not only soot and NОx to the environment, but also various organic and inorganic toxic compounds. The review provides a detailed discussion of the place of oxidation catalyst in the modern system for purification of exhaust gases from diesel engines, the ways to improve and optimize the oxidation catalysts intended for the neutralization of carbon monoxide and hydrocarbons according to the accepted standards, and the methods for decreasing the content of Pt group metals in the indicated catalytic systems.
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Wu, Gang, Guoda Feng, Yuelin Li, et al. "A Review of Thermal Energy Management of Diesel Exhaust after-Treatment Systems Technology and Efficiency Enhancement Approaches." Energies 17, no. 3 (2024): 584. http://dx.doi.org/10.3390/en17030584.

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The DOC (diesel oxidation catalyst), DPF (diesel particulate filter), SCR (selective catalytic reduction), and ASC (ammonia slip catalyst) are widely used in diesel exhaust after-treatment systems. The thermal management of after-treatment systems using DOC, DPF, SCR, and ASC were investigated to improve the efficiency of these devices. This paper aims to identify the challenges of this topic and seek novel methods to control the temperature. Insulation methods and catalysts decrease the energy required for thermal management, which improves the efficiency of thermal management. Thermal insula
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Su, Changsheng, Yujun Wang, Ashok Kumar, and Paul McGinn. "Simulating Real World Soot-Catalyst Contact Conditions for Lab-Scale Catalytic Soot Oxidation Studies." Catalysts 8, no. 6 (2018): 247. http://dx.doi.org/10.3390/catal8060247.

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In diesel soot oxidation studies, both well-defined model soot and a reliable means to simulate realistic contact conditions with catalysts are crucial. This study is the first attempt in the field to establish a lab-scale continuous flame soot deposition method in simulating the “contact condition” of soot and a structured diesel particulate filter (DPF) catalyst. The properties of this flame soot were examined by means of X-ray diffraction (XRD) and transmission electron microscopy (TEM) for structure analysis, Brunauer-Emmett-Teller (BET) for surface area analysis, and thermogravimetric ana
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Promhuad, Punya, and Boonlue Sawatmongkhon. "Soot Oxidation in Diesel Exhaust on Silver Catalyst Supported by Alumina, Titanium and Zirconium." E3S Web of Conferences 302 (2021): 01008. http://dx.doi.org/10.1051/e3sconf/202130201008.

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Diesel Particulate Filter (DPF) is used to limit the emission of particulate matter (PM). The operation of DPF has two consecutive functions which are filtration of PM and regeneration. Performance of DPF is reduced by clogging of the filter. This problem is improved by soot oxidation in the regeneration process. The soot is completely oxidized by oxygen when temperature is higher than 600 °C. However, the exhaust gas temperature in normal operating of the diesel engine is lower than the temperature of soot complete oxidation. The problem of low temperature in soot oxidation is improved by oxi
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Dissertations / Theses on the topic "Diesel exhaust oxidation catalyst"

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Evans, Jason Carter. "Influence of fuel sulfur content on emissions from diesel engines equipped with oxidation catalysts." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1594.

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Thesis (M.S.)--West Virginia University, 2000.<br>Title from document title page. Document formatted into pages; contains xii, 140 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 83-84).
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Leray, Alexis. "Identification des mécanismes physico-chimiques impliqués dans le post-traitement plasma des gaz d'échappement et études comparatives des différentes technologies plasma." Thesis, Orléans, 2012. http://www.theses.fr/2012ORLE2049.

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Le nouveau mode de combustion HCCI est adapté pour réduire les émissions d’oxydes d’azote et de particules fines issues de moteurs Diesel afin de respecter les futures normes d’émission Euro de plus en plus drastiques. Ce type de combustion se traduit par l’augmentation des émissions de monoxyde de carbone et des hydrocarbures et par une faible température des gaz d’échappement retardant ainsi leur conversion par le catalyseur d’oxydation Diesel (DOC). C’est dans ce contexte environnemental et économique que le couplage plasma-catalyseur apparait comme une solution intéressante afin d’améliore
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Franz, Rudolf. "Výzkum progresivních metod snižování obsahu škodlivých látek ve výfukových plynech vznětových motorů." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-418061.

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The scope of this dissertation work is a description of modern methods of reducing exhaust emission in diesel engines. The fundamental part is the application of these methods for diesel engines for off-road use that means for engines that are used in tractors and road machines. The mentioned evidence for the practical utility of the results of this dissertation thesis in practice and their verification on the actual engine are given in the conclusion.
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Yap, Yeow Hong. "Characterisation of a diesel oxidation catalyst." Thesis, University of Bath, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.551174.

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In order to obtain a deeper understanding of the performance of a diesel oxidation catalyst (DOC), techniques are developed which help to bridge the gap in the development of catalyst technology from the laboratory bench-top to an application on a real 2.0 litre diesel engine. The methodology is illustrated using a full-scale DOC (106 mm diameter; length 114 mm), from which sections are cut and then examined using a variety of techniques, including: optical measurement, SEM, TEM, FTIR, CO chemisorption, pore size and pore volume measurements. These provide valuable information on the character
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Genc, Volkan Eyup. "Diesel Soot Oxidation Catalyst Filter System Design." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12606189/index.pdf.

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The objective of this study was onboard testing of a mixed metal oxide diesel soot oxidation catalyst composing of oxides of lead and cobalt previously developed in our lab, by mounting a diesel particulate filter (DPF), which is coated with this catalyst, to the exhaust stream of a diesel vehicle. Commercial wall flow type DPF&rsquo<br>s (Corning EX-80) were coated with the catalyst by a slurry wash-coating procedure and then mounted on the exhaust stream of a diesel light duty vehicle (LDV) provided by TOFAS (FIAT Doblo 1.9 JTD). These vehicles were driven on the rollers of the chassis dynam
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Ye, Shifei. "Oxidation catalyst studies on a diesel engine." Thesis, University of Bath, 2010. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.533408.

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In this thesis, the experimental test facilities consisted of a well instrumented live Ford 2.0 litre turbocharged diesel engine connected to a specially made exhaust can, which contained a diesel oxidation catalyst (DOC). Experiments were performed on DOCs, which were specially prepared by Johnson Matthey, and had thermocouples mounted in their walls to measure axial temperature profiles. These DOCs consisted of a Pt catalyst dispersed in an alumina washcoat on a cordierite monolith supports, and were representative of a commercial application. Experiments were performed on Full-scale DOCs (o
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Erwe, Karolin. "Selective Diesel Oxidation Catalysts for Hydrocarbons." Thesis, KTH, Skolan för kemivetenskap (CHE), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-145857.

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Hanaki, Yasunari, and Kazuhiro Yamamoto. "Microfluidic Simulation of Diesel Exhaust Gas and Soot Oxidation in Diesel Particulate Filter." SAE International, 2013. http://hdl.handle.net/2237/20341.

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Kienkas, Liene. "Effect of Biofuel Impurities on the Diesel Oxidation Catalyst." Thesis, KTH, Skolan för kemivetenskap (CHE), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-212558.

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Scania provides sustainable transport systems powered by bioethanol, biogas, biodiesel along with hybrid and conventional solutions. Today Scania offers the largest variety of engines operating on alternative fuels in the market. The number of the alternative fuel operated vehicles sold in 2016 increased by 40 % [1]. Nevertheless, one of the alternative fuels – biodiesel - is a source of inorganic contaminants. These impurities can detrimentally affect the diesel truck after-treatment system that is responsible for harmful emission abatement. As a consequence, better understanding of the alter
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Rankin, Bret A. "Design and development of a microwave enhanced diesel soot oxidation system." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=1058.

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Thesis (M.S.)--West Virginia University, 1999.<br>Title from document title page. Document formatted into pages; contains xiv, 347 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 272-276).
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Books on the topic "Diesel exhaust oxidation catalyst"

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Engineers, Society of Automotive, and International Fall Fuels & Lubricants Meeting & Exposition (1996 : San Antonio, Tex.), eds. Diesel/lean NOx catalyst technologies. Society of Automotive Engineers, 1996.

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Engineers, Society of Automotive, and SAE International Congress & Exposition (1986 : Detroit, Mich.), eds. Advances in diesel particulate control. Society of Automotive Engineers, 1986.

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Book chapters on the topic "Diesel exhaust oxidation catalyst"

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Stoll, Tobias, Jan Klingenstein, Andreas Schneider, Michael Bargende, and Hans-Jürgen Berner. "A Model Approach to Simulate Exhaust Gas Temperatures of Diesel Oxidation Catalysts." In Proceedings. Springer Fachmedien Wiesbaden, 2022. http://dx.doi.org/10.1007/978-3-658-37011-4_26.

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Schneider, Andreas, Jan Klingenstein, Hans-Jürgen Berner, and Michael Bargende. "Empirical Temperature Modelling of the Diesel Oxidation Catalyst." In Proceedings. Springer Fachmedien Wiesbaden, 2022. http://dx.doi.org/10.1007/978-3-658-37011-4_22.

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Banerjee, Vivek Kumar, Tanmay Agrawal, Basant Singh Sikarwar, and Mohit Bhandwal. "Reduction in Exhaust Emission Using Constantan Catalyst in the Diesel Engine." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-6577-5_15.

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Serhan, Nahil. "Variation of Soot Structure Along the Exhaust Aftertreatment System—Impact of Oxygenated Diesel Blends on the Soot/Catalyst Interactions." In Energy, Environment, and Sustainability. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-1582-5_9.

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Landi, Gianluca, Valeria Di Sarli, Almerinda Di Benedetto, and Luciana Lisi. "The Issue of Solid-Solid Contact in Catalytic Soot Oxidation and the Benefits of Catalyst Nanostructuring to Regeneration of Catalytic Diesel Particulate Filters." In Nanostructured Catalysts for Environmental Applications. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-58934-9_6.

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Jelles, S. J., B. A. A. L. van Setten, M. Makkee, and J. A. Moulijn. "Supported liquid phase catalysts: A new approach for catalytic oxidation in diesel exhaust particulate emission control." In Catalysis and Automotive Pollution Control IV, Proceedings of the Fourth International Symposium (CAPoC4). Elsevier, 1998. http://dx.doi.org/10.1016/s0167-2991(98)80922-1.

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Neeft, John P. A., Olaf P. van Pruissen, Michiel Makkee, and Jacob A. Moulijn. "Catalytic oxidation of diesel soot: Catalyst development." In Catalysis and Automotive Pollution Control III, Proceedings of the Third International Symposium CAPoC 3. Elsevier, 1995. http://dx.doi.org/10.1016/s0167-2991(06)81457-6.

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Tanaka, Satoshi, Takahiro Yashima, and Takeshi Fukumoto. "103 Purification for diesel exhaust gas over platinum-tellurium catalyst." In Science and Technology in Catalysis 2002, Proceedings of the Fourth Tokyo conference on Advance Catalytic Science and Technology. Elsevier, 2003. http://dx.doi.org/10.1016/s0167-2991(03)80260-4.

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Upadhyay, Prachi, and Sankar Chakma. "Physical Insight into Ultra-low Desulfurization of Liquid Fuels using Sono-hybrid Fenton Reaction." In Ultrasound Technology for Fuel Processing. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815049848123010017.

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The sulfur-containing hydrocarbons are the main source of SOx and CO2 gas emissions, which is a threat to the environment for sustainability development. According to the US environment protection agency, the sulfur content should be within the limit of 15 ppm and 30 ppm for diesel and gasoline, respectively. Also, a couple of advanced techniques have been developed so far for the removal of sulfur from fuels. Among these techniques, ultrasound-based advanced oxidation processes have been found to be more efficient and effective for sulfur removal. In this chapter, we have discussed the physic
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Pettersson, L. J., S. G. Järs, S. Andersson, and P. Marsh. "Control of unregulated emmissions from ethanol-fluelled diesel engines—A study of the effect of catalyst support on the low temperature oxidation of ethanol and acetaldehyde using precious metals." In Catalysis and Automotive Pollution Control III, Proceedings of the Third International Symposium CAPoC 3. Elsevier, 1995. http://dx.doi.org/10.1016/s0167-2991(06)81480-1.

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Conference papers on the topic "Diesel exhaust oxidation catalyst"

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Fukano, Izumi, Katsuyuki Sugawara, Kenji Sasaki, Takeshi Honjou, and Shigekazu Hatano. "A Diesel Oxidation Catalyst for Exhaust Emissions Reduction." In International Truck & Bus Meeting & Exposition. SAE International, 1993. http://dx.doi.org/10.4271/932958.

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Lakkireddy, Venkata, Phillip Weber, Robert McCormick, and Steve Howell. "Diesel Oxidation Catalyst Performance with Biodiesel Formulations." In WCX SAE World Congress Experience. SAE International, 2024. http://dx.doi.org/10.4271/2024-01-2711.

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&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;Biodiesel (i.e., mono-alkyl esters of long chain fatty acids derived from vegetable oils and animal fats) is a renewable diesel fuel providing life-cycle greenhouse gas emission reductions relative to petroleum-derived diesel. With the expectation that there would be widespread use of biodiesel as a substitute for ultra-low sulfur diesel (ULSD), there have been many studies looking into the effects of biodiesel on engine and aftertreatment, particularly its compatibility to the current aftertreatment technologies. The ob
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Tamanouchi, Mitsuo, Takashi Akimoto, Shinji Aihara, and Hiroki Morihisa. "Effects of DGM and Oxidation Catalyst on Diesel Exhaust Emissions." In International Congress & Exposition. SAE International, 1999. http://dx.doi.org/10.4271/1999-01-1137.

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Han, Manbae, Stanislav V. Bohac, Timothy J. Jacobs, and Dennis N. Assanis. "Method and Detailed Analysis of Individual Hydrocarbon Species From Diesel Combustion Modes and Diesel Oxidation Catalyst." In ASME 2007 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/icef2007-1632.

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An undiluted exhaust hydrocarbon (HC) speciation method, using flame ionization detector (FID) gas chromatographs (GC), is developed to investigate HC species from conventional and low-temperature premixed charge compression ignition (PCI) combustion, from pre- and post-diesel oxidation catalyst (DOC) exhaust. This paper expands on previously reported work by describing in detail the method and effectiveness of undiluted diesel exhaust speciation and providing a more detailed analysis of individual HC species for conventional and PCI diesel combustion processes. The details provided regarding
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Ishizaki, Keita, Naoki Mitsuda, Naoki Ohya, et al. "A Study of PGM-Free Oxidation Catalyst YMnO3 for Diesel Exhaust Aftertreatment." In SAE 2012 World Congress & Exhibition. SAE International, 2012. http://dx.doi.org/10.4271/2012-01-0365.

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Parks, James E., H. Douglas Ferguson, Aaron M. Williams, and John M. E. Storey. "Lean NOx Trap Catalysis for NOx Reduction in Natural Gas Engine Applications." In ASME 2004 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/icef2004-0871.

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Reliable power generation and distribution is a critical infrastructure for the public and industry. Large-bore spark-ignited natural gas reciprocating engines are a reliable source of power generation. Lean operation enables efficient operation, and engines can conveniently be placed wherever natural gas resources are located. However, stricter emission regulations may limit the installation and use of more natural gas reciprocating engines if emissions cannot be reduced. Natural gas engine emissions of concern are generally methane, carbon monoxide, and oxides of nitrogen (NOx). Methane and
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af Ugglas, Samuel, Pascal Finker, Anders Ersson, Dawei Yao, Lars J. Pettersson, and Henrik Kusar. "Impact of Reduced Catalytic Activity on Passive Regeneration of Catalyzed Diesel Particulate Filters." In KSAE/SAE 2025 Powertrain, Energy & Lubricants Conference & Exhibition. SAE International, 2025. https://doi.org/10.4271/2025-01-0185.

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&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;Oxidation catalysts can greatly improve the regeneration efficiency of diesel particulate filters (DPF) by providing sufficient levels of NO&lt;sub&gt;2&lt;/sub&gt; for low-temperature soot oxidation. As for other automotive catalysts, catalyzed DPFs are subject to aging effects, resulting in decreased performance of the NO oxidation reaction. The life span of DPFs generally only considers the elevated back pressure as a consequence of the accumulation of ash. However, with reduced catalytic activity and impaired functio
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Osborne, Dustin T., Steven G. Fritz, Mike Iden, and Don Newburry. "Exhaust Emissions From a 2,850 kW EMD SD60M Locomotive Equipped With a Diesel Oxidation Catalyst." In ASME/IEEE 2007 Joint Rail Conference and Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/jrc/ice2007-40060.

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This paper describes the test results of a program to apply an experimental diesel oxidation catalyst (DOC) to a 2,850 kW freight locomotive. Locomotive emissions and fuel consumption measurements were performed on an Electro-Motive Diesel (EMD) model SD60M locomotive, owned by Union Pacific Railroad company, that had been recently rebuilt to EPA Tier 0 exhaust emission certification levels. Emission testing was performed at the Southwest Research Institute (SwRI) Locomotive Exhaust Emissions Test Center in San Antonio, Texas. US EPA-regulated emission levels of hydrocarbons (HC), carbon monox
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Kawanami, M., M. Horiuchi, H. Klein, and M. Jenkins. "Development of Oxidation and de-NOx Catalyst for High Temperature Exhaust Diesel Trucks." In International Congress & Exposition. SAE International, 1998. http://dx.doi.org/10.4271/981196.

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Elhag, Mahdi A. A., and Mehmet Selcuk Arslan. "Modeling Diesel Oxidation Catalyst Upstream and Downstream Exhaust Gas Temperatures Using LSTM RNN." In 2018 6th International Conference on Control Engineering & Information Technology (CEIT). IEEE, 2018. http://dx.doi.org/10.1109/ceit.2018.8751798.

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Reports on the topic "Diesel exhaust oxidation catalyst"

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Olsen and Neuner. PR-179-12207-R01 Performance Measurements of Oxidation Catalyst on an Exhaust Slipstream. Pipeline Research Council International, Inc. (PRCI), 2013. http://dx.doi.org/10.55274/r0010800.

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Oxidation catalysts are effective at reducing CO, formaldehyde, and VOCs as long as the catalyst temperature is above the light-off temperature for each species. It is important to understand the effects of temperature and space velocity on regulated species in order to effectively apply oxidation catalyst technology to lean burn engines, in particular 2-stroke engines that typically have lower exhaust temperatures. Various catalysts were tested on an exhaust slipstream coupled to a 4-stroke lean-burn engine which allows tests to be conducted at different temperatures and flow rates. The effec
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Baumgardner, Davis, and Olsen. PR-179-13205-R01 Field Evaluation of Oxidation Catalyst Degradation - 2-Stroke Lean-Burn NG Engine. Pipeline Research Council International, Inc. (PRCI), 2015. http://dx.doi.org/10.55274/r0010036.

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This study examines the degradation of an exhaust oxidation catalyst on a Cooper-Bessemer GMVH 12C2 gas engine. Critical parameters were determined, such as light-off temperature and reduction efficiency at 450 and 600?F. The catalyst surface was analyzed to examine the location and rate of poison deposition. Catalyst life was examined based on NESHAP guidelines. Catalyst life is strongly dependent on catalyst temperature and space velocity. For similar industrial applications, if the engine unit particulars are known, site operators can use the information in this study to predict when the ox
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Defoort, Willson, and Olsen. L51849 Performance Evaluation of Exhaust Catalysts During the Initial Aging on Large Industrial Engines. Pipeline Research Council International, Inc. (PRCI), 2001. http://dx.doi.org/10.55274/r0011213.

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An investigation of catalyst performance during the initial aging process, providing insight into the deactivation rate of the catalyst and assisting in predicting the operational lifetime of the catalyst was preformed. The information gained through the test program provides a mechanism to assist in developing new technologies geared at reducing engine emission while providing improvements in efficiency, reliability, and operability for the aging industrial reciprocating engine fleet. Two natural gas lean burn engines, a 2-stroke, large bore slow speed and a 4-stroke medium bore medium speed,
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Stevens and Olsen. PR-179-12214-R01 CO Sensor Experimental Evaluation for Catalyst Health Monitoring. Pipeline Research Council International, Inc. (PRCI), 2014. http://dx.doi.org/10.55274/r0010827.

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Oxidation catalysts and three-way catalysts can be used to reduce the amount of CO present in engine exhaust. For 2-stroke lean-burn engines, the oxidation catalyst degrades over time be-cause of the buildup of poisons such as sulfur, zinc, phosphorous, and calcium. Three-way cata-lysts used with stoichiometric engines also degrade over time. Emissions analyzers are often used to evaluate the degradation of oxidation catalysts and three-way catalysts, but it can be very time consuming and expensive. Ideally, a simple sensor system would be beneficial for operating companies to determine if the
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Badrinarayanan and Olsen. PR-179-11201-R01 Performance Evaluation of Multiple Oxidation Catalysts on a Lean Burn Natural Gas Engine. Pipeline Research Council International, Inc. (PRCI), 2012. http://dx.doi.org/10.55274/r0010772.

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Two-way catalysts or oxidation catalysts are the common after-treatment systems used on lean burn natural gas engines to reduce CO, VOCs and formaldehyde emissions. The study evaluates the performance of oxidation catalysts from commercial vendors for varying catalyst temperature and space velocity. For this study, a part of the exhaust from a Waukesha VGF-18 GL lean burn natural gas engine was flowed through a catalyst slipstream system to assess the performance of the oxidation catalysts. The slipstream is used to reduce the size of the catalysts and to allow precise control of temperature a
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Bauza, Rodrigo, and Daniel Olsen. PR-179-20200-R01 Improved Catalyst Regeneration Process to Increase Poison Removal. Pipeline Research Council International, Inc. (PRCI), 2021. http://dx.doi.org/10.55274/r0012106.

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In this work, the details of catalyst poison deposition are studied, and new catalyst restoration methods are explored. Lubrication oil makes its way through the combustion chamber and into the exhaust system, depositing poisons onto the catalyst and degrading catalyst performance. To estimate the degradation rate of the units and to find the best restoration method, two identical alumina-platinum oxidation catalysts were used in a dual setting, combining a field degradation engine and a laboratory testing engine. In order to find the best restoration process, the combination of both baking an
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Olsen. PR-179-07200-R01 Evaluation of NOx Sensors for Control of Aftertreatment Devices. Pipeline Research Council International, Inc. (PRCI), 2008. http://dx.doi.org/10.55274/r0010985.

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Emissions reduction through exhaust aftertreatment is becoming more common. It is likely to play an important role in meeting new emissions regulations in the future. Currently, the predominate aftertreatment technology for NOX reduction in lean burn natural gas engines appears to be selective catalytic reduction (SCR). In SCR, a reducing agent is injected into the exhaust upstream of a catalyst. Supplying the optimal quantity of reagent is critical to effective application of SCR. If too little reagent is supplied then the NOx reduction efficiency may be too low. If too much reagent is provid
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