Utilizing Portable Emissions Measurement to Evaluate EPA Emerging Technologies
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1 Utilizing Portable Emissions Measurement to Evaluate EPA Emerging Technologies Rachel L. Muncrief, Eddie Allison, Miguel Cruz, Charles Rooks, Michael P. Harold University of Houston, Dept. of Chemical & Biomolecular Engineering Texas Diesel Testing and Research Center UCR PEMS Workshop March 24, 2011, Riverside, CA
2 Top 10 in Ozone (2010; U.S.) 2 The American Lung Association's State of the Air 2010 lists these 10 cities as the country's most polluted by ozone: 1. Los Angeles, Calif., metropolitan area (including Long Beach and Riverside) 2. Bakersfield, Calif. 3. Visalia and Porterville, Calif. 4. Fresno and Madera, Calif. 5. Sacramento, Calif., metropolitan area (including Arden-Arcade and Yuba City) 6. Hanford and Corcoran, Calif. 7. Houston, Texas, metropolitan area (including Baytown and Huntsville) 8. San Diego, Calif., metropolitan area (including Carlsbad and San Marcos) 9. San Luis Obispo and Paso Robles, Calif. 10. Charlotte, N.C., metropolitan area (including Gastonia and Salisbury) Source:
3 Emerging Technology Program 3 The Clean Diesel Emerging Technologies Program is an opportunity to advance new, cutting edge technologies that reduce diesel emissions from existing fleets. Two components of the Emerging Technology Program: 1. Technology manufacturer seek placement of their technology on the Emerging Technologies List. 2. Grant competition eligible entity applies for funds to purchase an emerging technology.
4 Emerging Technology List 4 Reductions (%) Manufacturer Technology Application Effective Date/Status PM NOx HC CO Reductions (%) Caterpillar, Manufacturer Inc. Urea-SCR Technology and DOC Locomotive Application N/A December Effective 2, 2009 Date/Status PM NOx HC CO EcoPower Caterpillar, Hybrid Inc. Systems Inc. Hybrid Urea-SCR System and DOC Non-road Locomotive Gantry Crane N/A December December 8, , 2009 Engine EcoPower Control Hybrid Systems Systems Inc. Urea-SCR Hybrid System On-highway Non-road Gantry Crane March December 27, , 2009 Engine Control Systems Active DPF On-highway 90 N/A July 9, 2010 Engine Control Systems Urea-SCR On-highway March 27, 2009 Johnson Matthey Urea-SCR and DPF On-highway April 9, 2009 Engine Control Systems Active DPF On-highway 90 N/A July 9, 2010 Krystallon, Plc PM Seawater Scrubber Marine December 8, 2009 Johnson Matthey Urea-SCR and DPF On-highway April 9, 2009 Nett Krystallon, Technologies, Plc Inc. Urea-SCR PM Seawater Scrubber On-highway Marine March December 26, 8, Parker Hannifin Corporation Inc. Hybrid Drive On-highway - refuse January 27, 26, Nett Technologies, Inc. Urea-SCR March 26, 2009 Parker Hannifin Corporation Solid Hybrid Oxide Drive Fuel Cell (SOFC) Auxiliary On-highway - refuse January 27, 2011 Delphi Parker Corporation Hannifin Corporation Hybrid Drive On-highway - class-8 - refuse tractors January January 27, 27, Power Solid Unit Oxide (APU) Fuel Cell (SOFC) Auxiliary Delphi Corporation On-highway - class-8 tractors January 27, 2011 Delphi Corporation Power Solid Oxide Unit (APU) Fuel Cell (SOFC) Auxiliary Advanced Maritime Emissions Control System On-highway - class-8 tractors January 27, 2011 Advanced Cleanup Technologies, Inc. Power Unit (APU) Marine Pursuing Verification (AMECS) Advanced Maritime Emissions Control System Advanced Cleanup Technologies, Inc. Marine Pursuing Verification Advanced Cleanup Technologies, Inc. (AMECS) Advanced Maritime Emissions Control System Upgrade Kit 1 Marine N/A 70 N/A 70 N/A 30 Pursuing Verification (AMECS) Upgrade Kit N/A N/A N/A Upgrade Upgrade Kit 2 Kit N/A N/A N/A N/A N/A Caterpillar, Inc. Marine Pursuing Verification Upgrade Kit 2 25 N/A N/A Caterpillar, Inc. Upgrade Kit 2 Marine N/A N/A Pursuing Verification Caterpillar, Inc. Upgrade Kit 3 Marine N/A N/A Pursuing Verification Upgrade Kit 3 25 N/A N/A Upgrade Kit ESW Canada DOC and CCV Marine N/A 70 N/A Not Pursuing Verification 49 Johnson ESW Canada Matthey Urea-SCR DOC and and CCV DPF On-highway Marine Verified Not Pursuing Verification ESW Canada DOC and CCV Marine Not Pursuing Verification Miratech Johnson Corporation Matthey DOC Urea-SCR and DPF Marine On-highway Certified Verified (EMD 710 engines) Johnson Matthey Urea-SCR and DPF On-highway Verified Miratech Corporation DOC Marine Certified (EMD 710 engines) Miratech Corporation DOC Marine Certified (EMD 710 engines) Nett Technologies, Inc. Urea-SCR Non-road Verified Nett Technologies, Inc. Urea-SCR Non-road Verified Nett Technologies, Inc. Urea-SCR Non-road Verified Tinnerman/ Shadowood LNT-SCR and DPF On-highway Pursuing Verification Truck Emission Control Technologies Tinnerman/ Shadowood EGR LNT-SCR and DOC/DPF and DPF On-highway Pursuing Verification Verification Inc. Tinnerman/ Shadowood LNT-SCR and DPF On-highway Pursuing Verification Truck Emission Control Truck Emission Control EGR and DOC/DPF On-highway Pursuing Verification Technologies Inc. EGR and DOC/DPF On-highway Pursuing Verification Technologies Inc.
5 Project Information 5 Vehicle Selection Data Logging Retrofit Installation Degreen Retrofit Degreened Test (#1): PEMS or Chassis Partially Age Retrofit Partially Aged Test (#2): PEMS or Chassis Continuous: Feedback and Reporting
6 Vehicle Information 6 Quantity Vehicle Type Fleet Owner Retrofit Engine Year Quantity Vehicle Type Fleet Owner Retrofit Engine Year 2 2 Asphalt Reclaimer TxDOT Urea-SCR CAT Loader/Crawler TxDOT Urea-SCR CAT Tractor/Crawler TxDOT Urea-SCR CAT School Bus HISD Urea-SCR CAT School Bus HISD LNT-SCR/DPF International School Bus HISD EGR/DOC-DPF CAT Dump Truck TxDOT EGR/DOC-DPF CAT Aerial Utility Truck TxDOT EGR/DOC-DPF CAT 2000 Total Retrofits = 50 TxDOT Urea-SCR CAT 2004
7 Portable (PEMS) Testing Equipment 7 (2) Semtech DS (pre and post). NOx (NO+NO 2 ), CO, THC, CO 2, O 2 (2) Maha MPM4 (pre and post) PM (mg/m 3 ) NH 3 sensor (post, NH 3 -slip) Exhaust Flow Meter (post, SCFM)
8 PEMS Challenges Non-Road 8 No Shore Power Hours from Nearest Supply Shop Vehicle Differences/Dimensions Weather Precipitation/Heat Light Nighttime/Pre-dawn testing Other Ambient Conditions Dust/Snakes Safety/Security Personnel Equipment
9 9 Preparation Trailer
10 10 Preparation - Inventory
11 Preparation Pallet Setup 11 Maha 1 Maha 2 Semtech 2 Generator 2 Flow Meter Exhaust Flow w/sample Lines Power Supply Semtech 1 Generator 1
12 In use Photos 12
13 Asphalt Reclaimer Duty Cycle 13 4 Different Modes Wait/Idle low load Drive mid load Mix mid load Cut high load
14 Data from PEMS Testing 14 Red-Drive Blue-Wait Green-Mix Purple-Cut
15 Data from PEMS Testing 15 Red-Drive Blue-Wait Green-Mix Purple-Cut
16 Data from PEMS Testing 16 Component Reduction (%) Unit # 1600 Reduction (%) Unit # 1584 NOx Data is weighted using Exhaust Flow rate
17 Summary 17 Keys for successful testing Preparation Large amounts of data will help eliminate one-off errors Know the variables Duty cycle Vehicle differences
18 Future Work 18 Complete further testing (100+ tests at the end of 4 projects) Further improvements in PEMS methodology Acknowledgement: EPA Emerging Technology Program
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