Donaldson Company, Inc STN Webinar 4709

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Donaldson Company, IncSTN Webinar 4-7-09

• Emissions Retrofit Technologies

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John GarrettSales Manager EmissionsDonaldson
Company, Inc.Minneapolis, MN952-887-3898john.ga
rrett_at_donaldson.com
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Verified Technologies

• Stringent test protocol
• Manufacturers and their products are listed
• CARB
• http//www.arb.ca.gov/diesel/verdev/vt/cvt.htm
• Verified levels, 1,2,3 for PM
• Verified marks, 1,2,3,4,5 for NOx
• EPA
• http//www.epa.gov/otaq/retrofit/verif-list.htm
• Verified reductions of PM, CO, HC, NOx

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Retrofit Technology Levels
Good

• Level 1 25-49 PM reduction
• Level 2 50-84 PM reduction
• Level 3 85 PM reduction
• Best Available Control Technology (BACT) required
  in some states or programs

Better
Best
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Diesel Oxidation Catalysts (DOC)Level 1

• Flow through technology
• About 20-30 PM reduction
• Very reliable
• Maintenance free
• Easy to install
• Low cost

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Partial Flow Filter (DMF) Level 2

• 60-70 PM reduction
• Maintenance free
• Less sensitive to exhaust temps (210C vs. 240C)
• Costs less than DPF
• No electronics-easy to install

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Diesel Particulate Filter (DPF)Level 3

• Wall through technology
• 85 PM reduction
• Exhaust-temperature sensitive Ave. Temp 240C
• Data-logging required
• Periodic cleaning needed
• Monitor system via sensors warning lights

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Spiracle Crankcase Filter

• Closed Crankcase Ventilation Filter
• Eliminates emissions from crankcase
• Hi efficiency filter protects engine
• Filter change required every 1000 hr

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Technology Options
Model Year PM Reg.
Retrofit Tech. (g/bhp-hr) Level
Pre-1988 Unregulated (1.0) 1
1988-1990 0.60 1
1991-1993 0.25 1,2 1994-2006
0.10 1,2,3 Older engines have limited
options
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Installation Kits
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Things to Consider

• Decide on level of reduction
• Consider both tailpipe and crankcase
• Mounting hardware in kits
• Must be verified
• Who will install parts?
• Consult manufacturer