Sunday, June 4, 2000

16:00 - 18:00 Conference Registration (Uptairs Lobby)

18:15 - 18:30 Welcome and Introductions (Proctor Ballroom)
Rick Wessel, Conference Co-Chair
Richard Fein, Conference Liaison, United Engineering Foundation

18:30 - 20:30 Dinner and Social Hour (Proctor Ballroom)

Monday, June 5, 2000

07:00 - 08:00 Breakfast Buffet (Edenfield Dining Room)

PROBLEM DEFINITION (Proctor House)
Session Chair: Mikko Hupa, Åbo Akademi University

08:15 - 08:50 Application of Research Results to Real-World Problems
A. Jones, International Paper

08:50 - 09:25 Troubleshooting Recovery Boiler Fouling
E.K. Vakkilainen, Ahlstrom Machinery Corporation

09:25 - 10:00 Practical Experiences with ABB Recovery Boilers
D. Burton, ABB Ahlstrom

10:00 - 10:30 Coffee Break (Proctor House)

10:30 - 11:05 Research Work and Practical Problem Solving - Ash Deposition
and Nox Formation in Recovery Boilers
T. Ruohola, Kvæner Pulping Oy

11:05 - 11:40 Practical Solutions to Improving Recovery Boiler Operations
J.A. Dickinson, Babcock & Wilcox

11:40 - 12:15 Industry Perspectives on Areas for Improving Recovery Boiler
Operation
K. Nichols, Weyerhaeuser

12:15 - 12:30 Discussion

12:30 - 13:30 Lunch (Edenfield Dining Room)

13:45 - 17:45 Ad hoc Sessions and/or free time

18:00 - 19:00 Dinner (Proctor Ballroom)

ADVANCED TECHNOLOGY (Proctor House)
Session Chair: Kauko Janka, Kværner Pulping

19:15 -19:50 Inorganic Processes in Black Liquor Gasification
W.J. Frederick Jr., Institute of Paper Science and Technology

19:50 - 20:25 H₂S Capture Using a Calcium Based Recovery Process: The
Effect of Lime Recycling
M. d'Entremont, University of New Brunswick

20:25 - 21:00 Physical and Chemical Changes During Hydrolysis of
Recycled Sodium Titanate Used for Direct Causticization of Kraft Black Liquor
Q. Zhuang, University of New Brunswick

21:00 - 21:35 Release of Sulfur During Gasification of Black Liquor in CO₂
Atmospheres
K. Iisa, Institute of Paper Science and Technology

21:35 - 22:00 Discussion

22:00 - 23:00 Social Hour (Proctor Ballroom)

Tuesday, June 6, 2000

07:00 - 08:00 Breakfast Buffet (Edenfield Dining Room)

CORROSION (Proctor House)
Session Chair: Esa K. Vakkilainen, Ahlstrom

08:15 - 08:45 An Overview of Corrosion Chemistry
H. Tran, University of Toronto

08:45 - 09:15 Formation of Sulfur-rich Melt Near the Floor Tubing of Kraft
Recovery Boilers
M. Hupa, Åbo Akademi University

09:15 - 09:45 Using Combustion Modeling to Investigate Corrosion in Recovery
Boilers
K.C. Kaufman, McDermott Technology, Inc.

09:45 - 10:15 Coffee Break (Proctor House)

10:15 - 10:45 The Influence of Combustion Air System Design and Control on
Deposit Formation, Deposit Removal and Corrosion, in Kraft Recovery Boilers
D. Higgins, Anthony-Ross Company

10:45 - 11:15 Corrosion in Kraft Recovery Boilers - In Situ Characterization
of Corrosive Environments
P.M. Singh, Institute of Paper Science and Technology

11:15 - 11:45 Catastrophic Corrosion of Superheater Tubes
H. Suik, Tallinn University

11:45 - 12:00 Discussion

12:15 - 13:30 Lunch (Edenfield Dining Room)

13:45 - 17:45 Ad hoc Sessions and/or free time

18:00 - 19:00 Dinner (Edenfield Dining Room)

COMBUSTION I (Proctor House)
Session Chair: Ken Nichols, Weyerhaeuser

19:15 - 19:50 Black Liquor Droplet Combustion - A Short Review
M. Hupa, Åbo Akademi University

19:50 - 20:25 Black Liquor Devolatilization and Swelling Detailed Droplet Model
M. Jarvinen, Helsinki University of Technology

20:25 - 21:00 Ash Formation Mechanisms During the Combustion of Black
Liquor in Kraft Recovery Boilers
E. Kauppinen, VTT Chemical Technology

21:00 - 21:35 Aerosols from Biomass Combustion - Characterization and
Chemistry of Formation
T. Brunner, Technical University Graz

21:35 - 22:00 Discussion

22:00 - 23:00 Social Hour (Proctor House)

Wednesday, June 7, 2000

07:00 - 08:00 Breakfast Buffet (Edenfield Dining Room)

COMBUSTION II (Proctor House)
Session Chair: Rick Wessel, McDermott Technology, Inc.

08:15 - 08:45 Predicting Alkali Metals Emissions from Kraft Char Beds
W.J. Frederick Jr., Institute of Paper Science and Technology

08:45 - 09:15 Field Studies on Intermediate Sized Particulate (ISP) in Recovery
Boilers
S.H. Kochesfahani, University of Toronto

09:15 - 09:45 Characteristics of Salt Particles in a Recovery Boiler
T. Lind, Sandia National Laboratories

09:45 - 10:15 Coffee Break (Proctor House)

10:15 - 10:45 Laser Techniques for In-Situ/Measurements of Carryover
Particles
D.J. Holve, Process Metrix Incorporated

10:45 - 11:15 On-Line Measurement of Transient Changes in the Amount and
Composition of Dust in Two Recovery Boilers
T. Tamminen, Åbo Akademi University

11:15 - 11:45 Effect of Liquor Composition on Potassium and Chloride
Enrichment
K. Iisa, Institute of Paper Science and Technology

11:45 - 12:00 Discussion

12:15 - 13:30 Lunch (Edenfield Dining Room)

13:45 - 17:45 Ad hoc Sessions and/or free time

18:00 - 19:00 Dinner (Edenfield Dining Room)

COMBUSTION III (Proctor House)
Session Chair: Jim Frederick, IPST

19:15 - 19:45 Computer Modeling of Kraft Recovery Boilers
R.A. Wessel, McDermott Technology, Inc.

19:45 - 20:15 Sulfur Behavior in RB Furnace: Results from Operating Boilers
K. Janka, Kværner Pulping Oy

20:15 - 20:45 Formation and Behavior of Inorganic Smelt Nitrogen
M. Kymalainen, Åbo Akademi University

20:45 - 21:15 A Critical Review of Char Bed Combustion
T. Grace, T.M. Grace Company, Inc.

21:15 - 22:00 Discussion

22:00 - 23:00 Social Hour (Proctor House)

Thursday, June 8, 2000

07:00 - 08:00 Breakfast Buffet (Edenfield Dining Room)

DEPOSITION I (Proctor House)
Session Chair: Tom Grace, T.M. Grace Company

08:15 - 08:45 Recover Boiler Deposition - What have we learned after 20 years
of research
H. Tran, University of Toronto

08:45 - 09:15 Experimental and Modeling Study of Deposit Formation and Growth
in an Operating Recovery Boiler
P. Mikkanen, VTT Chemical Technology

09:15 - 09:45 Graphical Presentation of Boiler Tube Deposits Helps Operators
Tune Intelligent Sootblowing
U. Bergstrom, Kværner Pulping Oy

09:45 - 10:15 Coffee Break (Proctor House)

10:15 - 10:45 Mechanisms of Deposit Removal
D. Cormack, University of Toronto

10:45 - 11:15 Deposit Removal by Debonding and Its Application to Fireside
Deposits in Kraft Recovery Boilers
Ebrahimi-Sabet, University of Toronto

11:15 - 11:45 Comprehensive Model and Impact of Deposit Formation and
Properties in Recovery Boilers
R.A. Wessel, McDermott Technology, Inc.

11:45 - 12:00 Discussion

12:15 - 13:30 Lunch (Proctor House)

DEPOSITION II (Proctor House)
Session Chair: Andy Jones, International Paper

14:00 - 14:30 Sub-micron and Intermediate-Sized Particle Deposition in
Recovery Boilers
S.A. Sinquefield, Institute of Paper Science and Technology

14:30 - 15:00 Numerical Prediction of Carryover Deposition in an Entrained
Flow Reactor
D.C.S. Kuhn, University of Toronto

15:00 - 15:30 Calculating Melting Behavior of Alkali Salts of Interest in Black
Liquor Conversion Systems
R. Backman, Åbo Akademi University

15:30 - 16:00 Draft White Paper on Critical Issues

19:00 - 21:00 Conference Banquet and Social Hour (Edenfield Dining Room)

Friday, June 9, 2000

07:00 - 08:00 Breakfast Buffet (Edenfield Dining Room)

DEPOSITION III (Proctor House)
Session Chair: Honghi Tran, University of Toronto

08:15 - 08:45 Predicting Ash Properties in Recovery Boilers
E. Vakkilainen, Ahlstrom Machinery Corporation

08:45 - 09:15 Hardening of Sodium Salt Deposits in the Boiler Banks of Kraft
Recovery Boilers
W.J. Frederick Jr., Institute of Paper Science and Technology

09:15 - 09:45 Coffee Break (Proctor House)

09:45 - 10:15 Transport and Physical Properties of Ash Deposits in Recovery
Boilers
L. Baxter, Sandia National Laboratories

10:15 - 10:45 Group Discussion / Presentation of Draft White Paper

10:45 - 11:00 Closing Remarks

12:00 - 13:00 Lunch and Departure (Proctor House)

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