Integrated Dry NOx/SO₂ Emissions Control System - Project Brief [PDF-267KB]
Public Service Company of Colorado, Denver, CO

PROGRAM PUBLICATIONS

• Final Reports
  • Integrated Dry NOx/SO₂ Emissions Control System
    • Final Report, Vol. 1: Public Design [PDF-9.3MB] (Nov 1997)
    • Final Report, Vol. 2: Project Performance and Economics [PDF-13.6MB] (Sept 1999)
      • Vol. 2, Appendices A, B, C, and D [PDF-3.3MB]
      • Vol. 2, Appendix E [PDF-11MB]
      • Vol. 2, Appendix F [PDF-8.9MB]
      • Vol. 2, Appendix G, H, and I [PDF-3.54MB]
• CCT Reports: Project Performance Summaries, Post-Project Assessments, & Topical Reports
  • Integrated Dry NOx/SO₂ Emissions Control System, Project Performance Summary [PDF-2.1MB] (Apr 2003)
  • Integrated Dry NOx/SO₂ Emissions Control System: A DOE Assessment [PDF-1.6MB] (Oct 2001)
  • Technologies for the Combined Control of Sulfur Dioxide and Nitrogen Oxides Emissions from Coal-Fired Boilers, Topical Report No. 13 [PDF-500KB] (May 1999)
  • Reducing Emissions of Nitrogen Oxides via Low-NOx Burner Technologies, Topical Report No.5 [PDF-806KB] (Sept 1996)
• Design Reports
  • Integrated Dry NOx/SO₂ Emissions Control System
    • Final Report, Vol. 1: Public Design [PDF-9.25MB] (Nov 1997).
• Interim Reports
  • Calcium-Based Dry Sorbent Injection, Test Report, April - November 1993 [PDF-5.6MB] (Dec 1994)
  • Advanced Retractable Injection Lance SNCR Test Report, April 1995 - August 1996 [PDF-6.6MB] (Apr1997)
  • Integrated System Test Report, February 1994 - March 1996 [PDF-8.27MB] (Apr 1997)
  • Low-NOx Combustion System SNRC Test Report, January 11- April 9, 1993 [PDF-7.2MB] (June 1994)
  • Low-NOx Combustion System Retrofit Test Report, August 6 - October 29, 1992 [PDF-7.7MB] (Apr 1994)
  • Sodium-Based Dry Sorbent Injection Test Report, August 1993-July 1995 [PDF-12.5MB] (Apr 1997)
  • Proof of Concept Testing of an Integrated Dry Injection System for NOx/SO₂ Control, Final Report [PDF-16.4MB] (Mar 1994)
  • Baseline SNCR Test Report, February 4 - March 6, 1992 [PDF-4.88MB] (Sept 1993)
  • Integrated Dry NOx/SO2 Emissions Control System: Baseline Test Report [2.4 MB] (Mar 1992)
• Environmental Reports
  • The Final Environmental Report is included in the Final Technical Report
  • Integrated Dry NOx/SO₂ Emissions Control System: Environmental Monitoring Report, Calcium-Based Dry Sorbent Injection System Test Period [PDF-6.6MB] (Apr 1997)
  • Integrated Dry NOx /SO₂ Emissions Control System: Environmental Monitoring Report, Low NOx Combustion System Retrofit and Baseline Air Toxics Test Periods [PDF-3.4MB] (Feb 1994)
  • Integrated Dry NOx /SO₂ Emissions Control System: Environmental Monitoring Report, Baseline and Baseline Urea Injection Test Periods [PDF-2.8MB] (July 1992)
  • Final Environmental Information Volume: Public Service Company of Colorado, Integrated Dry NOx/SO₂ Emissions Control System Project at Arapahoe Station [PDF-4.4MB] (Feb 1991)
• Comprehensive Report to Congress
  • Comprehensive Report to Congress on the Clean Coal Technology Program: Integrated Dry NOx/SO₂ Emission Control System [PDF-1.8MB] (Jan 1991)

PAPERS AND PRESENTATIONS

• T. Hunt, et al., "Integrated Dry NOx/SO₂ Emissions Control System: Performance Summary," Fifth Annual Clean Coal Technology Conference, Tampa, Florida, January 1997.
• T. Hunt, J. Stallings, D. Jones, L.J. Muzio, R. Smith, and J. Hebb (PETC), "SNCR Improvements for the Integrated Dry NOx/SO₂ Emission Control System," Workshop for NOx Control for Utility Boilers, Cincinnati, Ohio, August 1996
• T. Hunt (Public Service Company of Colorado), L.J. Muzio and R. Smith (Fossil Energy Research Corporation), D. Jones (NOELL, Inc.), E. Mali (Babcock & Wilcox), and J. Stallings (Electric Power Research Corporation), "Performance of the Integrated Dry NOx /SO₂ Emissions Control System," Fourth Annual Clean Coal Technology Conference: The Global Opportunity, Denver, Colorado, September 1995.
• T. Hunt (Public Service Company of Colorado) and L.J. Muzio and R. Smith (Fossil Energy Research Corporation), "Integrated Low-NOx Burners, Overfire Air, and Selective Non-Catalytic Reduction on a Utility Coal-Fired Boiler" Environmental Progress 14(2):115-120 (May 1995).
• R. Smith, et al., "NOx Reduction on a Coal-Fired Utility Boiler with Low-NOx Burners, Overfire Air and SNCR." Economic and Environmental Aspects of Coal Utilization VI, Santa Barbara, California, January 29-February 2, 1995.
• T. Hunt (Public Service Company of Colorado), et al., "Current Progress with the Integrated Dry NOx/SO₂ Emissions Control System," Third Annual Clean Coal Technology Conference, Chicago, Illinois, September 1994
• T. Hunt, L. Muzio, R. Smith, and T.J. Hanley, "Integrating Low-NOx Burners, Overfire Air, and Selective Non-Catalytic Reduction on a Utility Coal-Fired Boiler," AIChE Summer Conference, August 1994.
• R. Smith, L. Muzio, G. Shiomoto, and T. Hunt, "Operating Experience with the Integrated Dry NOx/SO₂ Emissions Control System," 207th ACS National Meeting, San Diego, California, March 13-17, 1994.
• T. Hunt (Public Service Company of Colorado), et al., "Preliminary Performance and Operating Results from the Integrated Dry NOx/SO₂ Emissions Control System," Proceedings of the Second Annual Clean Coal Technology Conference, Atlanta, Georgia, September 1993.
• T. Hunt and R. Smith, "Combining Low-NOx Burners, Overfire Air, and SNCR for High Efficiency NOx Removal," Air & Waste Management Association 86th Annual Meeting & Exhibition, June 1993.
• T. Hunt, et al., "Low-NOx Combustion Modifications for Top-Fired Boilers," 1993 Joint Symposium on Stationary Combustion NOx Control, May 1993.
• T. Hunt, et al., "Selective Non-Catalytic Operating Experience Using Both Urea and Ammonia," 1993 Joint Symposium on Stationary Combustion NOx Control, May 1993.
• E. Mali, et al., "Low-NOx Combustion Modifications for Down-Fired Pulverized Coal Boilers," Proceedings of the American Power Conference, April 1993.
• T. Hunt (Public Service Company of Colorado) and J.B. Doyle (The Babcock & Wilcox Company), "Integrated Dry NOx/SO₂ Emissions Control System Update," First Annual Clean Coal Technology Conference, Cleveland, Ohio, September 1992.
• D.G. Jones, S. Negrea, B. Dutton, L.W. Johnson, P.J. Sutherland, J. Tormey, and R.A. Smith, "High Energy Urea Injection DeNOx on a 215 MW Utility Boiler," EPRI-EPA 1991 Joint Symposium on Stationary Combustion NO Control, Washington, DC, March 25-28, 1991.
• D.C. Livengood and J.M. Markussen, "Recent Developments in Combined Control of SO2 and NOx ," Energy and the Environment Conference, Denver, Colorado, September 26-28, 1990.
• D.G. Jones, S. Negrea, G. Lautenschlager, G. Rose, R.A. Smith, and G.H. Shiomoto, "Urea Injection NO Removal in European Coal-Fired Boilers and MSW Incineration Plants," Air & Waste Management Association 83rd Annual Meeting and Exhibition. Pittsburgh, Pennsylvania, June 24-29, 1990.
• G. Green and J. Doyle, "Integrated NOx/SO₂ Emission Control System (IS/NECS)," 1990 ASME International Joint Power Conference.