Application of Diesel Emissions Reduction Controls for Nonroad ...
Transcript of Application of Diesel Emissions Reduction Controls for Nonroad ...
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Application of Diesel Emissions Reduction Controls for Nonroad Construction
Equipment
Croton Water Treatment Plant Case Study
2007 NvMA/MSHA/NIOSH DPM WorkshopJune 5, 2007
Elko, NV
Michael C. BlockEmisstar LLC
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Project Overview• Drinking Water Treatment Plant• EPA consent decree• North Bronx (Van Cortland Park)• 3 phases
• Excavation → ’05 – early ‘07• Tunneling → early ’07 – ‘10• Construction → ’07 – ’12
• $1.5+B• 1st U.S. Construction project using “BAT”
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Emisstar LLC “Mobile Emissions Technology, Policy,
and Implementation”
• Formed in April 2005• Focus on mobile sources diesel emissions remediation• Over 60 years collective experience
• Air quality science & engineering• Engineering & project management, • Business development, & strategic planning• Diesel engine and emissions control technology
• 3 Offices in United States
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Site Activities• 16 acre site
• 9 acre excavation to approx. 100 feet• Hydraulic Line Drilling• Blasting • Excavating/Hoe ramming• Loading• On-site hauling• Rock crushing / stockpiling• Off-site hauling
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Croton – Site Overlook
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NYC Local Law 77
• Law enacted by NYC Council in 2003• DEP Rulemaking in 2005
• Ch. 14 of Title 15, Rules of City of New York
• Addresses emissions from “non-road”diesel equipment
• All City Agencies and their contractors
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LL77 – Requirements
• Any diesel powered equipment > 50 HP must be:• Powered by ULSD• Utilize BAT for reducing emissions
• Equipment includes:• Excavators, backhoes, cranes, compressors,
generators, bulldozers, etc.• Does not include on-highway vehicles
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BAT CategoriesBAT Definition:• “Technology shall achieve the greatest reduction in emissions of
particulate matter (PM) and shall in no event result in an increase in the emissions of either PM or nitrogen oxides (NOx)”
Category I• System using diesel particulate filter (DPF)
• Control PM + NOx or• PM Only
Category II• System using diesel oxidation catalyst (DOC) or flow-through filter
(FTF)• PM + NOx or• PM Only
Category III• Emulsified Diesel Fuel (ULSD compatible)
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BAT Selection Criteria• Technology must be verified by either:
• US EPA• California Air Resources Board (ARB)
• Non-verified if:• OEM installed without compromising
performance• Demonstration-stage technology
http://www.epa.gov/otaq/retrofit/retroverifiedlist.htmhttp://www.arb.ca.gov/diesel/verdev/level1/level1.htm?PF=Y
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Equipment Characterization
ECT Matching and Analysis
Vendor Ranking and Selection
Engineering and Design
Training, and Fabrication/Installation
Monitoring and Assessment
Project Implementation
July – Oct, ‘05
Dec ’05 – Jun ’06
Ongoing – May ‘07
Nov – Dec, ‘05
Completion, July ‘07
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Croton Vehicle Profile
• 25 – 30 Non-Road machines • Major categories
• Compressors• Loaders• Excavators• Dozers• Drills• Quarry Trucks
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Equipment Characterization/Datalogging
• Tier 2 or 3 machines• High EGT profiles, on average
• 300 deg. C > 70 % duty cycle – PDPFs• Quarry Trucks
• Low to medium EGT• ADPF candidates
• Well maintained (Service ~ 250 hours)
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High & Low EGT profilesKomatsu PC 750 Excavator
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125 150 175 200 225 250 275 300 325 350 375 400 425 450 475 500
Exhaust Temperature (Celsius)
Freq
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Terex TR70 Quarry Truck (Trial 1)
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125 150 175 200 225 250 275 300 325 350 375 400 425 450 475 500
Exhaust Temperature (Celsius)
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Cum
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p. D
istr
ibut
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(%)
freqencycumulative %
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ECT ProvidersEngine Control Systems
• Passive Diesel Particulate Filter (PDPF) –Purifilter
• 90%+ PM Reduction• EPA & ARB (Level 3) Verified• 75% of the Croton construction equipment –
• Excavators, dozers, compressors, drills, loaders
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ECT ProvidersEngine Control Systems –“Cattrap™”
• 380 – 420 oC for 20% of duty-cycle.
• Base (not precious) metal catalyst coating.
• Zero nitrogen dioxide NO2
emissions.• Mining applications.
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ECT ProvidersCAT / Johnson Matthey (JMI) – “CRT” Principle
• Passive Diesel Particulate Filter (PDPF) – JMI CRT design.
• 90%+ PM Reduction• EPA Verified• ARB “de-verified” due to excessive NO2
production• One high HP excavator
• Deliberately generates NO2.
• Excess NO2 improves regen lower EGT.
• But can produce excess NO2 out the tailpipe.
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Providers (cont.)Rypos• Active Diesel Particulate Filter (ADPF) –
RT-500 24 volt• On-board electrical regeneration.• Three Terex TR 70 700 HP Quarry Trucks• ARB Level 2 verification for stationary back-up
generators (BUGs).• ARB Level 3 verification for BUGs.
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Filter Section
Inlet Section
Controller
Flow controllers
RYPOS ADPFTM
ADPF – Onboard Electrical Regeneration
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Providers (cont.)Huss• Active Diesel Particulate
Filter (ADPF) – MK Fuel Burner Series
• On-board fuel burner in exhaust system for regeneration.
• Croton: Terex TA-40 400 hp DDC Series 60.
• DSNY: Caterpillar D400 400 hp 3406.
• ARB Level 3 verification for on-highway and nonroad.
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ADPF – Onboard Fuel Burner
Huss MK Burner System
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Technology Deployment
• Custom, On-site Installations • Mechanics• Welders/metal fabricators• Technicians
• 8 to 16 hours per installation• Nights and weekends• For the most part, not pre-designed
systems (Rypos is exception)
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EGBP/EGT Monitoring
• All BAT systems require monitoring
• Utilized:• CRTdm for PDPF.• Supplier installed monitors
for ADPF.• Handheld digital manometers
as backup.• Periodic diagnostics• Alarm Triggered Event
• Establish Retrofit Case History
Average Backpressure
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6/22/2006 7/2/2006 7/12/2006 7/22/2006 8/1/2006 8/11/2006 8/21/2006 8/31/2006Date
Bac
kpre
ssur
e (in
Hg)
Komatsu Dx-155 Dozer 6/27/2006 TO 8/23/2006
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In-Use Emissions TestingEnvironment Canada ERMD’s ‘DOES2’• Objectives
• Conduct exhaust emission measurements on six diesel powered pieces of construction equipment operating under both real worldand repeatable conditions.
• Evaluate the impact of various emission control technologies –pre and post ECT.
• Why ‘DOES2?’• It most closely replicates engine laboratory conditions.• Is the most accurate and repeatable under varying equipment
operation and climatic conditions.• Is capable of measuring PM.• It references EPA’s CFR new engine certification techniques for
PM measurement.
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In-Use Emissions Testing
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ISS TechniquesCOMPOUND Analysis Method Instrument Sample Collection
Carbon Monoxide (CO)
Non-Dispersive
Infrared Detection
(NDIR)
HORIBA
Model AIA-210 LE
Cali-5-Bond™ (five
layer) Sample bag
Carbon Dioxide (CO2)
Non-Dispersive
Infrared Detection
(NDIR)
HORIBA
Model OPE-115
Cali-5-Bond™ (five
layer) Sample bag
Oxides of Nitrogen (NOx)Chemiluminescence
Detection
California
Analytical
Instruments
Model 400-HCLD
Cali-5-Bond™ (five
layer) Sample bag
Nitric Oxide (NO) Chemiluminescence
Detection
California
Analytical
Instruments
Model 400-HCLD
Cali-5-Bond™ (five
layer) Sample bag
Total Hydrocarbons (THC)
Heated Flame
Ionization Detection
(FID)
California
Analytical
Instruments
Model 300M-HFID
Cali-5-Bond™ (five
layer) Sample bag
Particulate Matter (PM) Gravimetric ProcedureSartorius
M5P-000V001
70mm Pall Emfab™
filters
Ammonia (NH3) To Be Determined Citric acid coated
filters
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Equipment Tested
Type Manufacturer Model #Date
of Mfg.
Engine HP Tier ECT Type Mfg
Compressor Ingersoll Rand IR 600 2005 John Deere-6IRF8TE 170 HP 2 SCR+DPF JMI SCRT
Dozer Komatsu D155-Ax-5B 2004 Komatsu SDA6D140E-3 332 HP 2 DPF ECS Excavator Hitachi Z Axis-800 Isuzu GWG1XAB 483 HP 2 DPF ECS
Hydraulic Drill Tamrock CHA 700 2005 Caterpillar 3506E 173 HP 2 DPF ECS Rubber Tire
Loader Caterpillar 966G 2004 Caterpillar 3176C ATAAC 259 HP 2 DPF CAT/JMI CCRT
Quarry Truck Terex TR70 2005 Detroit Diesel 12V 2000 700 HP 2 ADPF RYPOS ADPF-C
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Equipment EmissionsMean Emissions Reduction (%) Source DPF Test
Equipment/Engine Test Cyclea Applicability Fuel
PMa NOx HC CO Johnson Matthey SCRT
Ingersoll Rand IR600 Compressor;
170 hp
Simple In-Use
Nonroad ULSD 97 67 94 99
ECS Purifilter
PDPF
Komatsu D155 Dozer; 332 hp
SynthesizedIn-Use
Nonroad ULSD 97 5 93 99
ECS Purifilter
PDPF
Komatsu PC750 Excavator; 474 hp
SynthesizedIn-Use
Nonroad ULSD 99 12 79 98
Johnson Matthey
CRT
CAT 966G Rubber Tire Loader; 259 hp In-Use Nonroad
ULSD 99 7 81 93
In-Use Emission Testing Program
Conducted by Emisstar and Environment
Canada
ECS Purifilter
PDPF
Tamrock CHA700 Tiger Drill; 173 hp In-Use Nonroad ULSD 99 5 52 99
The average PM reduction is 98% for data obtained from In-Use Emission Testing Program Conducted by Emisstar with Environment Canada
a To confirm the accuracy and repeatability of the emissions test results, 10-14 tests were performed on each piece of equipment over a pre-determined set of “micro-trips”.
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Challenges and Issues• ECT Suppliers for the nonroad market• Fleet Champion• Technical
• OEM Backpressure compliance • Well engineered & robust design
• Operational• Interrupting site-operations• Harsh conditions
• Vibration• Dust
• Variability in Service & Support• Lead times• Servicing units
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Successes
• Assuaged community concerns about health impacts of pollution.
• Deployed Category 1 BAT or higher on all25+ machines.
• Working for over 1 year w/minimal downtime or interference.
• Quantified in-use emission reductions through ISS testing
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Lessons Learned
• Fleet participation is critical• Dedicated trained mechanic/support for
large deployments• Move project from “orphan” to “owner”
phase as quickly as possible – champion• Keep spare parts, supplies & filter
cleaning station on-hand• Documentation – installation,
maintenance, repair, warranty
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Technology Transfer To Mining
What are the similarities;what are the differences?
• Operating environment?• Variability of equipment type?• Interest from ECT providers?
What do you think?
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Filter substrate failure
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Croton Picture Gallery
Muffler PDPF
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Croton – Furukawa Hydraulic Drill
ECS PDPF
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Croton – Hitachi Z-Axis 800 Excavator (2)
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Croton – Hitachi Z-Axis 800 Excavator (2)
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Croton – Hitachi Z-Axis 800 Excavator (2 machines)
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Croton – Hitachi Z-Axis 800 Excavator (2)
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Croton – Terex TR 70 w/Rypos ADPF/C
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Contact Information – Emisstar LLC
Michael C. Block, PrincipalOffice: (603) 487-3235Mobile: (603) 520-4147