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1. Full Text Low Temperature Urea Decomposition and Scr Performance
by Scott Sluder, C., author
SAE technical paper series, Volume 2005-01-1858.
Urea-SCR systems are potentially a highly-effective means of NOX reduction for light-duty diesel vehicles. However, use of urea-SCR technologies at low... 
Trucks | Diesel exhaust emissions | Diesel / Compression Ignition engines | Environmental regulations and standards | Nitrogen oxides | Spark ignition engines | Emissions
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2. Full Text Ammonia Oxidation Catalysts for Mobile Scr Systems
by Hünnekes, Edgar V., author
SAE technical paper series, Volume 2006-01-0640.
Ammonia slip from SCR reactors can result from the incomplete conversion of NH3 over the SCR catalyst, the release of ammonia from the catalyst surface during... 
Diesel / Compression Ignition engines | Environmental regulations and standards | Nitrogen oxides | Diesel exhaust emissions control | Spark ignition engines | Emissions
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3. Full Text Modelling and Optimization of Scr-Exhaust Aftertreatment Systems
by Chen, Ming, author
SAE technical paper series, Volume 2005-01-0969.
This paper presents a modelling approach to the design optimization of Selective Catalytic Reduction (SCR) systems. The present study is concerned with ammonia... 
Diesel / Compression Ignition engines | Computational fluid dynamics | Environmental regulations and standards | Simulation and Modeling | Nitrogen oxides | Spark ignition engines | Emissions
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4. Full Text Calibration Process for Scr Only Tier4i Engine for Construction Equipment
by Delebinski, Thaddaeus, author and Seebode, Joern, author and Henning, Lars, author and Pfeifer, Andreas, author and Lindner, Adrian, author and Kolly, Claude, author and Vonarb, Regis, author and Philipp, Thorben, author and Bauer, Peter, author and Pietschmann, Karsten, author
SAE technical paper series, Volume 2012-01-1954.
The current legislation for industrial applications and construction equipment including earthmoving machines and crane engines allows different strategies to... 
Environmental regulations and standards | Selective catalytic reduction | Construction vehicles and equipment
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5. Full Text Development of Urea-Scr System for Heavy-Duty Commercial Vehicles
by Hirata, Kiminobu, author
SAE technical paper series, Volume 2005-01-1860.
In Japan there is currently a strong social demand for exhaust emissions reduction from heavy-duty diesel engines. Therefore, new Long-Term Regulation will... 
Trucks | Diesel exhaust emissions | Diesel / Compression Ignition engines | Exhaust emissions | Environmental regulations and standards | Fuel economy | Nitrogen oxides | Diesel particulate filters | Spark ignition engines | Emissions
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6. Full Text Modeling and Control of a Urea-Scr Aftertreatment System
by Chi, John N., author
SAE technical paper series, Volume 2005-01-0966.
A dynamic system model for simulating the transient performance of a NOx aftertreatment system using Selective Catalytic Reduction with urea as a reductant... 
Electronic control systems | Diesel / Compression Ignition engines | Environmental regulations and standards | Nitrogen oxides | Simulation and modeling | Adaptive control | Spark ignition engines | Vehicle dynamics | Emissions
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7. Full Text Combined Scr and Dpf Technology for Heavy Duty Diesel Retrofit
by Conway, Ray, author
SAE technical paper series, Volume 2005-01-1862.
The retrofitting of diesel engines with oxidation catalyst and particulate filter technology for the reduction of particulate matter (PM), hydrocarbons (HC)... 
Diesel / Compression Ignition engines | Particulate matter (PM) | Environmental regulations and standards | Nitrogen oxides | Diesel exhaust emissions control | Spark ignition engines | Emissions
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8. Full Text SCR and NO oxidation over Fe-ZSM-5 – The influence of the Fe content
by Ellmers, Inga and Pérez Vélez, Roxana and Bentrup, Ursula and Schwieger, Wilhelm and Brückner, Angelika and Grünert, Wolfgang
Catalysis Today, ISSN 0920-5861, 12/2015, Volume 258, pp. 337 - 346
Fe-ZSM-5 catalysts (Si/Al in ZSM-5–14) were prepared by different routes and used for an investigation of relations between normalized reaction rates (rates... 
Fast SCR | NO oxidation | Fe-ZSM-5 | DeNOx | Active sites | Standard SCR | DeNO | ACTIVE-SITES | NO/NO2 MIXTURES | DeNO(x) | CHEMISTRY, PHYSICAL | DENO(X) CATALYSTS | IDENTIFICATION | SELECTIVE CATALYTIC-REDUCTION | ENGINEERING, CHEMICAL | REACTION-MECHANISM | ZEOLITES | IRON SITES | N2O DECOMPOSITION | CHEMISTRY, APPLIED | FE/MFI CATALYSTS | Oligomers | Oxidation-reduction reaction
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9. Full Text Fuel and System Interaction Effects on Urea-Scr Control of Nox in Diesel Exhaust Aftertreatment
by Acharya, R., author
SAE technical paper series, Volume 2006-01-0638.
This work considers the performance of a NOx control system on a diesel engine and the interaction between the NOx and particulate control devices. A... 
Diesel / Compression Ignition engines | Environmental regulations and standards | Diesel particulate filters | Spark ignition engines | Emissions
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10. Full Text A Lnt+Scr System for Treating the Nox Emissions from a Diesel Engine
by Theis, Joseph, author
SAE technical paper series, Volume 2006-01-0210.
An aftertreatment system involving a LNT followed by a SCR catalyst is proposed for treating the NOx emissions from a diesel engine. NH3 (or urea) is injected... 
Diesel / Compression Ignition engines | Environmental regulations and standards | Spark ignition engines
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11. Full Text Recent DPF/SCR Results Targeting US2007 and Euro 4/5 HD Emissions
by Scarnegie, Brian, author
SAE technical paper series, Volume 2003-01-0774.
Selective Catalytic Reduction (SCR) of Nitrogen Oxide (NOx) emissions using ammonia or a 32.5%-urea solution has been used for many years in a variety of... 
Diesel exhaust emissions | Exhaust gas recirculation (EGR) | Environmental regulations and standards | Nitrogen oxides | Diesel exhaust emissions control | Diesel particulate filters | Emissions
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12. Full Text Emission Characteristics of a Urea Scr System under Catalysts Activated and De-Activated Conditions
by Suzuki, Hisakazu, author
SAE technical paper series, Volume 2006-01-0639.
Urea SCR (Selective Catalytic Reduction) system has high potential of reducing NOx. But such as system durability and safety under deteriorated catalysts... 
Diesel / Compression Ignition engines | Environmental regulations and standards | Spark ignition engines | Emissions
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13. Full Text A Combined 3D/Lumped Modeling Approach to Ammonia Scr After-treatment Systems: Application to Mixer Designs
by Karlsson, Mikael, author
SAE technical paper series, Volume 2006-01-0469.
In practical applications of ammonia SCR aftertreatment systems using urea as the reductant storage compound, one major difficulty is the often constrained... 
Diesel / Compression Ignition engines | Environmental regulations and standards | Spark ignition engines
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14. Full Text Performance Evaluation and Application of Diesel Nox-Scr Catalyst by Ethanol Reductant
by Shuai, Shijin, author
SAE technical paper series, Volume 2005-01-1089.
A catalyst surfaced on Ag/Al2O3 substrate for the selective catalyst reduction (SCR) of NOx by ethanol was evaluated in a diesel engine, and the effect of the... 
Diesel / Compression Ignition engines | Performance tests | Environmental regulations and standards | Nitrogen oxides | Spark ignition engines | Emissions
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15. Full Text Multi-Scale Scr Modeling, 1D Kinetic Analysis and 3D System Simulation
by Wurzenberger, Johann C., author
SAE technical paper series, Volume 2005-01-0948.
Future emission limits of diesel engines require additional effort for developing adequate and advanced exhaust gas aftertreatment devices. Urea-SCR systems... 
Diesel / Compression Ignition engines | Environmental regulations and standards | Simulation and Modeling | Spark ignition engines | Catalytic converters | Emissions
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16. Full Text Dpf Scr Combinations Integrated Systems to Meet Future Ldv Emission Limits
by Rusch, Klaus, author
SAE technical paper series, Volume 2006-01-0637.
This paper describes solutions to handle the complexity of systems including Selective Catalytic Reduction (SCR) and Diesel Particulate Filters (DPF) and... 
Diesel / Compression Ignition engines | Environmental regulations and standards | Diesel particulate filters | Spark ignition engines | Emissions
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17. Full Text Numerical Simulation of No/No2/Nh3 Reactions on Scr-Catalytic Converters:Model Development and Applications
by Chatterjee, Daniel, author
SAE technical paper series, Volume 2006-01-0468.
A 1D+1D numerical model describing the ammonia based SCR process of NO and NO2 on vanadia-titania catalysts is presented. The model is able to simulate coated... 
Diesel / Compression Ignition engines | Environmental regulations and standards | Spark ignition engines | Catalytic converters
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18. Full Text A Study of a New Aftertreatment System (2): Control of Urea Solution Spray for Urea-Scr
by Nishioka, Akira, author
SAE technical paper series, Volume 2006-01-0644.
The urea-SCR system is one of the most promising aftertreatment systems for future automotive diesel engines. We developed a urea dosing device with twin urea... 
Diesel / Compression Ignition engines | Environmental regulations and standards | Spark ignition engines | Emissions
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19. Full Text A Nox Reduction Solution for Retrofit Applications: A Simple Urea Scr Technology
by Servati, H., author
SAE technical paper series, Volume 2005-01-1857.
This paper presents the development and performance of a Selective Catalytic Reduction (SCR) aftertreatment system designed for diesel retrofit applications.... 
Trucks | Diesel exhaust emissions | Diesel / Compression Ignition engines | Environmental regulations and standards | Nitrogen oxides | Diesel particulate filters | Spark ignition engines | Emissions
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20. Full Text Numerical Simulation of Ammonia Scr-Catalytic Converters: Model Development and Application
by Chatterjee, Daniel, author
SAE technical paper series, Volume 2005-01-0965.
A two-dimensional numerical model describing the ammonia based SCR-process on vanadia-titania catalysts is presented. The model is able to simulate coated and... 
Diesel / Compression Ignition engines | Environmental regulations and standards | Nitrogen oxides | Mathematical models | Diesel exhaust emissions control | Spark ignition engines | Catalytic converters | Emissions
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