Air Emission Control Technology

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Air Emission Control Technology
Frances A. Hardrick We Energies
UWM Air Pollution Meteorology Class November 20,
2007
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Overview

• Air Emission and Monitoring
• Project Specifics
• Careers

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How Electricity Is Made
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CEM in General Terms

• Continuous Emissions Monitoring (CEM)
• Sample the Flue Gas - One of Two Ways
• Measure Directly at the Stack or Duct
• Extract Sample and Transport to Analyzing
  Equipment
• Log Results Electronically
• Store Data for Historical Record

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What Drives Improvement?

• We Energies Emission Controls Influenced by
  Environmental Commitment and Governmental
  Regulations
• EPA Clean Air Act 1963/1970/1990
• Consent Decree 2003
• Performance Specification 11 (PS-11) 2004
• Clean Air Mercury Rule (CAMR) 2005

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Clean Air Act

• EPA Clean Air Act 1963/1970/1990
• Sets Limits on Air Pollutants
• Approves Plans for Reducing Air Pollutants
• Assists in Supporting Clean Air Progress

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Consent Decree

• Agreement to Significantly Reduce Air Emissions
  From Coal-Fueled Plants
• Nitrogen Oxide (NOX)
• Sulfur Dioxide (SO2)
• Particulate Matter (PM)
• Mercury (Hg) which was optional

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PS-11 and CAMR

• Finalized Specifications and Test Procedures for
  Particulate Matter Continuous Emission Monitoring
  Systems (PM CEMS) at Stationary Sources
• Finalized Clean Air Mercury Rule (CAMR) and
  Specification and Test Methods for Total Vapor
  Phase Mercury CEMS in Stationary Sources

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PM CEMS Duct Location
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P-5B Particulate Monitor

• Probe and Analyzer Are Integral, One Unit
• Measures at the Duct
• Monitor Made to Withstand Outside Environment

Power Fiber Optics Box
Protective Cover
Protective Tube Attached here
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P-5B Particulate Monitor

• This is a View With the Cover Removed
• Uses Light to Measure Particle Concentration
• Units in g/m3

Bolts to flange here
Blower
Electronics
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PM CEMS Stack Location
Sample Line Run
Sample Line Run
Probe Location
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BetaGuard Particulate Monitor

• Probe and Analyzer Not Integral
• Analyzer Housed in Equipment Shelter
• Probe at the Stack
• Gas Sample Transported Via Sample Line

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BetaGuard Particulate Monitor

• View of Analyzer Inside Shelter
• Uses Beta Particle Technology to Measure
  Concentration
• Units in g/m3

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BetaGuard Extraction Probe

• Probe Shown in the Shop

Sample Line
Nozzle
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Mercury Analyzer
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Careers In Air Emission Controls

• Engineering
• Product Research and Design
• Construction
• Air Testing
• Overall Project Management
• Regulatory
• Legal

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Questions?

• Thank You for Your Time and Attention