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2016 CLEERS Workshop

2016-04-06 - 2016-04-08

Emphasized topic areas:

  • Diesel and gasoline particulate filters
  • Selective catalytic NOx reduction
  • Urea and reductant spray modeling
  • Oxidation and reforming catalysts
  • Passive adsorbers and traps
  • Multi-functional catalysts and aftertreatment devices
  • Engine integration with emissions controls
  • Three-way catalysts
  • Low-temperature catalysts
  • Catalyst durability
  • Interpretation of experimental emissions control measurements
  • Development of micro-kinetic and global reaction mechanisms
  • Drive cycle simulations of advanced vehicle systems
  • Chemical and particulate exhaust analysis


  • Share recent experimental and computational simulation experience with advanced aftertreatment technologies
  • Enhance emissions control research collaborations among industry, universities, and government labs
  • Identify most pressing pre-competitive research priorities


This is the 19th workshop in a series sponsored by the DOE Office of Vehicle Technologies and the DOE Advanced Engine Crosscut Team. CLEERS workshops are informal, focused forums for sharing recent research results on lean and advanced engine emissions controls and their simulation. Participation by researchers in government, universities, and industry is welcome. Workshop discussions will be summarized for the DOE Office of Transportation Technologies (OTT) and the Advanced Engine Crosscut Team for consideration in improving priorities and technical focus and maximizing leveraging in DOE and industry-supported R&D.

About the 2016 Workshop

This is a public meeting open to all those who are interested in understanding and simulating the performance of exhaust emission control devices under realistic conditions. The agenda includes invited presentations by internationally prominent researchers and an invited panel of experts from industry. Contributed oral presentations of 20-30 minutes and posters are also invited.

Wednesday, April 6th, 2016

7:30 a.m.Registration/Continental Breakfast
8:00 a.m.Welcome and Introduction
8:05 a.m.Invited Talk: Real World Emissions from Light Duty Diesel VehiclesArvind Thiruvengadam, West Virginia University
8:55 a.m. Detailed Characterization of Criteria Pollutant Emissions from Dedicated EGR Light Duty VehicleCary Henry, Southwest Research Institute
9:20 a.m. Model based assessment of real-driving emissions - an office and hardware-in-the-loop simulation approachJohann C. Wurzenberger, AVL List GmbH
9:45 a.m. Effect of Air-Fuel Ratio on Engine-Out Exhaust Hydrocarbon Species from a Direct Injected Gasoline EngineStanislav Bohac, University of Michigan
10:10 a.m. Coffee Break
10:40 a.m.Invited Talk: Zeolite Supported Pd Catalysts for Low Temperature NO and HC storageHai-Ying Chen, Johnson Matthey Inc.
11:30 a.m. Low temperature NO adsorption over Pd supported on Ce-based catalysts for cold start applicationDo Heui Kim, Seoul National University
11:55 a.m. CeO2-M2O3 Passive NOx Adsorbers for Cold Start ApplicationsSamantha Jones, University of Kentucky Center for Applied Energy Research
12:20 p.m.On-Site Working Lunch (with discussions and Q&A on morning presentations)
1:20 p.m. Emission Benefits and Limitations of Passive Hydrocarbon Adsorber TechnologiesMichelle Wiebenga, GM Global R&D
1:45 p.m. Minimizing low temperature emissions through advances in metal oxide catalysts, supports and trapsTodd Toops, Oak Ridge National Laboratory
2:10 p.m. Assessing Intrusion by the Capillary During Spatially Resolved Mass SpectrometryMichael Harold, University of Houston
2:35 p.m. US DRIVE and Advanced Engine Crosscut Teams: Roadmaps and ProtocolsACEC LTAT Team
3:00 p.m.Coffee Break
3:30 p.m.Panel Discussion: Meeting Tier 3 and the potential future impact of on-board emissions measurements and real-world/on-road emissions standardsArvind Thiruvengadam (West Virginia University)
Matti Maricq (Ford Motor Co.)
Mike Zammitt (FCA)
Tim V. Johnson (Corning)
Susan Collet (Toyota)
5:30 p.m.End of first day sessions

Thursday, April 7th, 2016

7:30 a.m.Registration/Continental Breakfast
8:00 a.m.Welcome and Introduction
8:05 a.m.Invited Talk: What's New in Catalysis and How Does it Relate to CLEERS and Automotive Catalysis?Bob McCabe, National Science Foundation
8:55 a.m. Tailor-Designed Oxidation Catalysts for Lean/Low Temperature Combustion EnginesWilliam Epling, University of Houston
9:20 a.m. Metal Oxide Nano-array based Monolithic Catalysts for Low Temperature Diesel OxidationPu-Xian Gao, University of Connecticut
9:45 a.m. Coffee Break
10:15 a.m. Bifurcation features of mixtures containing CO and hydrocarbons in DOC.Rama Krishna Dadi, University of Houston
10:40 a.m. Mechanistic insights into the emission and trapping of mobile species during sintering of Pt based diesel oxidation catalystsAbhaya Datye, University of New Mexico
11:05 a.m.Invited Talk: Gasoline Particle Filter DevelopmentChristine Lambert, Ford Motor Co.
11:55 a.m.An overview of lubricant-derived ash characteristics and interactions with diesel engine aftertreatment components, specifically in the diesel particulate filter (DPF)Carl Kamp, MIT
12:20 p.m.On-Site Working Lunch (with discussions and Q&A on morning presentations)
1:20 p.m. Comparison of soot issued from diesel and naphtha combustionChristophe Chaillou, Aramco Fuel Research Center
1:45 p.m. Predicting DPF Performance Based on 3D Microscopic Structure from CT-ScanYujun Wang, Rypos Inc.
2:10 p.m. Integral Expressions for Component Pressure Losses in Wall Flow FiltersJames Pakko, Ford Motor Company
2:35 p.m. The Changing Landscape of Vehicle PM: GDI Soot Oxidation Kinetics on Particulate FiltersMelanie DeBusk, Oak Ridge National Laboratory
3:00 p.m. Correlation of Soot Oxidation Kinetics to Catalyst Particle Nanostructure/MicrostructureAthanasios Konstandopoulos, CERTH
3:30 p.m.Poster Session
Numerical modeling of thermal effects in catalytic converters with and without CleanalyticTM technologySherif Abdou, Vida Fresh Air Corp.
Design & Validation of a Versatile Bench Scale reactorColton Barnes, Texas A&M University
Evaluation of Mixed Oxide Catalysts for Lean Diesel ApplicationsAndrew Binder, Oak Ridge National Laboratory
Investigation of Urea Derived Deposits Composition in SCR SystemsScott Eakle, Southwest Research Institute
SO2 Interactions with Pt, Pd, and Pd-Pt/Al2O3 CatalystsMonique Wilburn, University of Houston
Structural and Kinetic Changes to Small-Pore Cu-Zeolites After Hydrothermal Treatment and NOx SCR with AmmoniaRajamani Gounder, Purdue University
Mechanistic Study of CO and Propylene Oxidation on Bimetallic Pt=Pd/Al2O3 Catalysts for Low Temperature Combustion ExhaustMelanie Hazlett, University of Houston
Coupled Heterogeneous and Homogeneous Hydrocarbon Oxidation on Bimetallic Pt-Pd/Al2O3 Catalysts for Low Temperature Combustion ExhaustMelanie Hazlett, University of Houston
Pt and Pd-promoted Ce-Zr Mixed Oxide Applied for Low-temperature NOx AdsorptionYaying Ji, University of Kentucky Center for Applied Energy Research
Evaluation of HC, NOx and NH3 Mixed-Potential Sensors in Diesel and Gasoline Engine ExhaustCortney Kreller, Los Alamos National Laboratory
A comparative study of ZSM-5 and BEA-Zeolites for hydrocarbon trap applications under “cold-start” conditionsEleni Kyriakidou, Oak Ridge National Labolatory
Impact of Mixed Metal Oxides Supports on the Durability and Low-Temperature Performance of Pd-based Diesel Oxidation CatalystsEleni Kyriakidou, Oak Ridge National Labolatory
Impact of Mixed Metal Oxides Supports on the Durability and Low-Temperature Performance of Pd-based Diesel Oxidation CatalystsEleni Kyriakidou, Oak Ridge National Labolatory
Energetics of NH3 storage on zeolite SCR catalystsJosh Pihl, Oak Ridge National Laboratory
Development of a kinetic model to evaluate water storage during cold start on commercial Cu-SAPO SCR catalystsAnand Srinivasan, Cummins Inc.
Simulating the advantages of a LNT+ passive SCR system with a bypass conceptYang Zheng, PNNL
ECU Capable Grey-Box Model for SCR ReactorSyed Wahiduzzaman, Gamma Technologies, Inc.
5:30 p.m.End of second day sessions
6:30 p.m.No-Host Dinner at the Holiday Inn Ann Arbor. The cost to attend the dinner is $25 and prepayment to attend is required.

Friday, April 8th, 2016

7:30 a.m.Registration/Continental Breakfast
8:00 a.m.Welcome and Introduction
8:05 a.m.Soot Oxidation Impacted by Engine Oil-Derived Ash from a Gasoline Direct Injection EngineHee Je Seong, Argonne National Laboratory
8:30 a.m. A study of the soot burning efficiency of an SCRF® catalyst vs a CSF during active regeneration eventsLasitha Cumaranatunge, Johnson Matthey Inc.
8:55 a.m. Effect of soot on the SCR reactions in an integrated SCR coated DPFLouise Olsson, Chalmers University
9:20 a.m. Challenges and Opportunities of Urealess NH3-SCR for Small Diesel Passenger CarsPyung-Soon Kim, Hyundai Motor Company
9:45 a.m. Coffee Break
10:15 a.m.Invited Talk: The Kinetic Mechanisms of NH3-SCR Over V2O5-WO3/TiO2, Fe- and Cu-zeolite CatalystsEnrico Tronconi, Politecnico di Milano
11:05 a.m.New Insights into the Mechanisms and Active Site Requirements of Low Temperature NOx SCR with Ammonia on Cu-SSZ-13 ZeolitesRajamani Gounder, Purdue University
11:30 a.m.Approaching rational design of Cu/CHA SCR catalystsFeng Gao, PNNL
11:55 a.m.Dependable method for quantifying the hydrothermal aging of Cu-CHA SCR catalystsJinyong Luo, Cummins Inc.
12:20 p.m.On-Site Working Lunch (with discussions and Q&A on morning presentations)
1:20 p.m. Sulfur poisoning of SCR catalystsYasser Jangjou, University of Houston
1:45 p.m. Mapping of Urea Deposits in Engine Aftertreatment Systems of Heavy Duty TrucksRandal Goffe, PACCAR
2:10 p.m. A Study on Synthetic Method and Material Characteristics of Metal Ammine Chlorides as Ammonium Transport Materials for Solid SCRCheon Seog (Steve) Yoon, Hannam University
2:35 p.m. Response Characteristics of Stable Mixed-Potential NH3 Sensors in Diesel Engine ExhaustEric Brosha, Los Alamos National Laboratory
3:00 p.m.Coffee Break
3:30 p.m. Ammonia Generation and Utilization in a Passive SCR (TWC+SCR) System on Lean Gasoline EngineVitaly Prikhodko, Oak Ridge National Laboratory
3:55 p.m. Rapidly Pulsed Reductants in Diesel NOx Reduction with Lean NOx TrapsAmin Reihani, University of Michigan
4:20 p.m. Development of a global kinetic model for a commercial Lean NOx Trap based on laboratory measurementsRichard Blint, N2Kinetics Research, LLC
4:45 p.m. Insulated Catalytic Converter with Phase-Change Material under Real-world Driving ConditionsJohn Hoard, University of Michigan
5:10 p.m.End of third day sessions


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