MEGA Symposium May 19 – May 22, 2003, Washington, D.C. LIMESTONE INJECTION FOR PROTECTION OF SCR CATALYST Terence Ake, Clayton Erickson, William Medeiros Riley Power Inc., a Subsidiary of Babcock Power Inc. Linton Hutcheson Duke Energy Mark Barger, Scott Rutherford Cormetech, Inc.
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LIMESTONE INJECTION FOR PROTECTION OF SCR CATALYST€¦ · Riley Power Inc. Conclusions • Optimum Catalyst Designs are Achievable With Current and Future Fuel Knowledge • Limestone
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MEGA Symposium May 19 – May 22, 2003, Washington, D.C.
LIMESTONE INJECTION FOR PROTECTION OF SCR CATALYST
Terence Ake, Clayton Erickson, William MedeirosRiley Power Inc., a Subsidiary of Babcock Power Inc.Linton HutchesonDuke EnergyMark Barger, Scott RutherfordCormetech, Inc.
MEGA Symposium, Washington, D.C. 2Riley Power Inc.
MEGA Symposium, Washington, D.C. 8Riley Power Inc.
Effect of Limestone Addition
MEGA Symposium, Washington, D.C. 9Riley Power Inc.
Limestone Addition Experience
MEGA Symposium, Washington, D.C. 10Riley Power Inc.
Limestone Addition Experience
MEGA Symposium, Washington, D.C. 11Riley Power Inc.
Duke Energy Cliffside Unit 5
• 50% of Fuels Did Not Require Limestone• Two Fuels Cannot Achieve Continuous
Operation With Limestone Addition• Using Limestone Addition System and Fuel
Knowledge Two Initial Catalyst Layers• Cormetech FIELD Guide Developed for
Fuel Range
MEGA Symposium, Washington, D.C. 12Riley Power Inc.
Duke Energy Cliffside Unit 5
MEGA Symposium, Washington, D.C. 13Riley Power Inc.
Mark Barger
SCR Catalyst Supplier for Cliffside 5 Project
Project Manager – Cliffside 5
MEGA Symposium, Washington, D.C. 14Riley Power Inc.
FIELD Guide
• Fuel Impact and Evaluation of Life Determination
• Unit Design Specific• Assumes Constant Fuel Sulfur Level• For Arsenic poisoning SCR applications
MEGA Symposium, Washington, D.C. 15Riley Power Inc.
FIELD Guide
20K+hours
16-20Khours
12-16Khours
0-12Khours
CaO%
As (ppm)
MEGA Symposium, Washington, D.C. 16Riley Power Inc.
Cliffside 5 with 2002 fuels plotted
MEGA Symposium, Washington, D.C. 17Riley Power Inc.
Cliffside 5 with 2003 fuels plotted
MEGA Symposium, Washington, D.C. 18Riley Power Inc.
Linton Hutcheson
MEGA Symposium, Washington, D.C. 19Riley Power Inc.
Cliffside Unit 5 SCR Management
MEGA Symposium, Washington, D.C. 20Riley Power Inc.
Limestone Injection
MEGA Symposium, Washington, D.C. 21Riley Power Inc.
FIELD GUIDE
MEGA Symposium, Washington, D.C. 22Riley Power Inc.
Cliffside Unit 5 SCR Management
MEGA Symposium, Washington, D.C. 23Riley Power Inc.
Coal Data Information
MEGA Symposium, Washington, D.C. 24Riley Power Inc.
Cliffside Unit 5 SCR Management
MEGA Symposium, Washington, D.C. 25Riley Power Inc.
Fly-ash Data Information
MEGA Symposium, Washington, D.C. 26Riley Power Inc.
Cliffside Unit 5 SCR Management
MEGA Symposium, Washington, D.C. 27Riley Power Inc.
CS5’s SCR PI Performance Data
More than 100 Additional SCR Data Points Stored
MEGA Symposium, Washington, D.C. 28Riley Power Inc.
Cliffside Unit 5 SCR Management
MEGA Symposium, Washington, D.C. 29Riley Power Inc.
Viewing Short Version of PI Data
MEGA Symposium, Washington, D.C. 30Riley Power Inc.
Viewing Short Version of PI Data
MEGA Symposium, Washington, D.C. 31Riley Power Inc.
Cliffside Unit 5 SCR Management
MEGA Symposium, Washington, D.C. 32Riley Power Inc.
Time Passing Across the Catalyst
MEGA Symposium, Washington, D.C. 33Riley Power Inc.
Conclusions• Optimum Catalyst Designs are Achievable
With Current and Future Fuel Knowledge• Limestone Addition Reduces Gaseous As• Limestone Addition Protects• Limestone Adds to Fuel Flexibility• Limestone System is Part of an Integrated