Stove emissions testing
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Stove Emissions Testing. Jim Jetter U.S. EPA ETHOS Conference, January 28-29, 2006. Stove Emissions Testing. We are planning limited, stove emissions testing in in the laboratory to support the Partnership for Clean Indoor Air We ask for your comments and advice!. Literature survey findings.

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Stove Emissions Testing

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Stove emissions testing

Stove Emissions Testing

Jim JetterU.S. EPA

ETHOS Conference, January 28-29, 2006

Stove emissions testing1

Stove Emissions Testing

  • We are planning limited, stove emissions testing in in the laboratory to support the Partnership for Clean Indoor Air

  • We ask for your comments and advice!

Literature survey findings

Literature survey findings

  • Many stoves have been tested for emissions

  • Most stoves tested were from China, India, and other Asian countries

  • Many types of coal and biomass fuels have been tested

  • Pollutants measured included CO2 and PICs (products of incomplete combustion): PM, CO, CH4, NMHCs, NO2, SO2, HCHO, OC, BC, PAHs, and others

  • PICs cause adverse health effects and global climate change

  • Emissions of PICs were high for traditional and so-called “improved” stoves

  • Kirk Smith and others have raised issue that biomass stoves may not be “greenhouse neutral” as previously assumed

Why test stoves for emissions

Why test stoves for emissions?

  • Hopefully show that a stove can achieve low emissions of PICs - demonstrate that better stoves can improve health and reduce global climate change

    Publish peer-reviewed test results for a practical stove with low emissions of PICs!

  • Provide stove emissions information that will be valuable to PCIA partners

  • Compare and validate emission test results from PCIA partners

    • EPA lab may be considered a more independent source of data

    • EPA lab has well established quality assurance

  • Lab tests are not a substitute for field tests – but lab tests have value

What stoves to test

What stoves to test?

  • Baseline

    • Open, three-stone fire

    • Typical “improved” stove – VITA? other?

  • Newer “clean-burning” stoves

    • Stoves that are practical – used in the field

    • High-temperature combustion

    • Likely low emissions of PICs

What fuels to test

What fuels to test?

  • Firewood – consistent species, size, and moisture content

  • Charcoal?

  • Dung?

  • Other biomass?

What pollutants to measure

What pollutants to measure?

  • PM (size-fractionated), CO, CO2, CH4, NMHCs

  • Others?

Test system

Test system

  • Used in previousstudy

  • Hashoodanddilutiontunnel

Test plan

Test plan

  • Use Water Boiling Test (WBT), Version 1.5,20-August-2004, for operating stoves and for measuring stove performance

  • Compare two methods for measuring emissions

    • Direct, hood-capture method

    • Carbon-balance method

  • Use dilution tunnel for emissions sampling?

  • How to minimize stove operator variability?

Stove emissions testing2

Stove emissions testing

  • Please let us know if you have questions, comments, or advice!

  • jetter.jim@epa.gov919-541-4830

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