Urea-SCR Technology for deNOx After Treatment of Diesel Exhausts (eBook)

Isabella Nova is Associate Professor of Chemical Engineering at the Department of Energy, Politecnico of Milan, Italy. Nova’s research work is focused on the study of environmental catalytic processes, including Selective Catalytic Reduction of NOx by NH3 and Diesel Particulate filters for the removal of soot and on new processes for the production of clean energy, such as the photocatalytic water splitting. She has co-authored over 100 publications on national and international journals in the fields of Chemical Reaction Engineering and Heterogeneous Catalysis and three national and international patents.Enrico Tronconi is Full Professor of Chemical Engineering at Politecnico di Milano, Italy. His main research interests are in the area of Catalytic Reaction Engineering, with emphasis on industrial chemical processes for energy conversion and for environmental protection. His most recent work is focused on DeNOx after treatment technologies for vehicles, as well as on fundamental and engineering aspects concerning the development of novel structured catalysts and reactors. Tronconi has authored or co-authored over 180 scientific publications in international journals and is the inventor of 10 patents.

Preface

Part I Selective Catalytic Reduction Technology

Chapter 1 Selective Catalytic Reduction and Related Technologies for Mobile Applications
Timothy Johnson

Chapter 2 Selective Catalytic Reduction Technology for Off-Highway (Large Diesel Engine) Applications
D. Chaterjee, Klaus Rusch

Part II Catalysts

Chapter 3 Vanadia-based Catalysts for Mobile Selective Catalytic Reduction
Jonas Jansson

Chapter 4 Fe-zeolite Catalysts for NH3-SCR of NOx: Functionality, Durability and Deactivation Mechanisms
Todd Toops, Josh A. Pihl and William A. Partridge

Chapter 5 Cu/zeolite SCR Catalysts for Automotive Diesel NOx Emission Control
J. Chen

Chapter 6 Low-temperature NH3-SCR of NOx over Zeolites and Metal Oxides Based Catalysts and Recent Developments of H2-SCR
L.F. Wang, R. Yang


Part III Mechanistic aspects

Chapter 7 Active Sites for Selective Catalytic Reduction
W. Grunert

Chapter 8 Mechanistic Aspects of the NO-NH3-O2 Reacting System
Masaoki Iwasaki

Chapter 9 The Role of NO2 in the NH3-SCR Catalytic Chemistry
Enrico Tronconi and Isabella Nova

Part IV Reaction kinetics


Chapter 10 Kinetics of NH3-SCR Reactions over V2O5 – WO3/TiO2 Catalysts
Isabella Nova and Enrico Tronconi

Chapter 11 Lean NOx Reduction by NH3 on Fe-Exchanged Zeolite and Layered Fe/Cu Zeolite Catalysts
Michael P. Harold, Pranit Metkar

Chapter 12 Kinetic Modeling of Ammonia Selective Catalytic Reduction for Cu-Zeolite Catalysts
L. Olsson


Part V Modeling and Control

Chapter 13 Reactor Models for Flow-through and Wall-flow Converters
Dimitrios Karamitros, Grigorios Koltsakis

Chapter 14 Diesel Engine SCR Systems: Modeling, Measurements, and Control
Ming-Feng Hsieh, Junmin Wang


Part VI Ammonia supply

Chapter 15 DEF Systems and Aftertreatment Architecture Considerations
Ryan Flyod, M. Levin, Zargar Shaikh

Chapter 16 Ammonia storage and release in SCR systems for mobile applications
Daniel Peitz, Andreas Bernhard, Olive Krocher

Chapter 17 Modelling the gas flow process inside exhaust systems: one-dimensional and multi-dimensional approaches
G. Montenergo, A. Onorati

Part VII Integrated Systems

Chapter 18 Dual-layer Ammonia Slip Catalysts for automotive SCR exhaust gas aftertreatment: an experimental and modelling study
Isabella Nova, Massimo Colombo, Enrico Tronconi

Chapter 19 NSR-SCR combined systems: production and use of ammonia
Fabien Can, Xavier Courtois, Daniel Duprez

Chapter 20 Integration of SCR Functionality into Diesel Particulate Filters
T. Boger

Part IX Case Histories

Chapter 21 Development of the 2010 Ford Diesel Truck Catalyst System
C. Lambert, G. Cavataio

Chapter 22 Model-based approaches to exhaust aftertreatment system development
M. Weibel, V. Schmeisser, F. Hoffman