Air Emission Control Technology

UWM Air Pollution Meteorology ClassNovember 20, 2007

Frances A. HardrickWe Energies

Overview

Air Emission and Monitoring

Project Specifics

Careers

How Electricity Is Made

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

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

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

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

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

PM CEMS Duct Location

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 Tube Attached here

ProtectiveCover

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

BlowerElectronics

PM CEMS Stack Location

Probe Location

Sample LineRun

Sample LineRun

BetaGuard Particulate Monitor

Probe and Analyzer Not Integral

Analyzer Housed in Equipment Shelter

Probe at the Stack

Gas Sample Transported Via Sample Line

BetaGuard Particulate Monitor

View of Analyzer Inside Shelter

Uses Beta Particle Technology to Measure Concentration

Units in g/m3

BetaGuard Extraction Probe

Probe Shown in the Shop

Nozzle

SampleLine

Mercury Analyzer

Careers In Air Emission Controls

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

Questions?

Thank You for Your Time and Attention