Final Program

HEAT EXCHANGER FOULING
Fundamental Approaches and Technical Solutions

8-13 July 2001
Davos Congress Center/Hotel Cresta Sun
Davos, Switzerland

Conference Chairs
Prof. Hans Müller-Steinhagen
DLR/University of Stuttgart
Germany

Prof. Paul Watkinson
University of British Columbia
Canada

Conference Scientific Secretary
Dr M. Reza Malayeri
DLR, Germany

Conference Co-Sponsors
Heat Transfer Research Inc.
API Schmidt-Bretten GmbH & Co. KG
German Aerospace Research Centre, DLR

United Engineering Foundation, Inc.
Three Park Avenue, 27th Floor
New York, NY 10016-5902
T: 1-212-591-7836 - F: 1-212-591-7441
engfnd@aol.com -- www.engfnd.org

SUNDAY, JULY 8, 2001

17:00 - 19:00 Registration (Cresta Sun lobby)

19:00 Dinner (Cresta Sun Hotel)
WELCOME
H. Müller-Steinhagen, Conference Chair
Frank Schmidt, UEF Technical Liaison

21:00-22:00 Opening Reception (Cresta Sun Hotel)

NOTES
All Technical sessions will be held at the Congress Centre (Pischa/Parsenn).
All lunches and dinners will be held at the Cresta Sun Hotel.
Please observe "No Smoking" at UEF technical sessions, meals and social hours.
Speakers should allow time at the end of their presentation for questions and discussion.

MONDAY, JULY 9, 2001

7:00 - 8:00 Breakfast SESSION I: INTRODUCTION
Chair: Paul Watkinson, University of British Columbia, Canada

8:15 - 8:25 Opening Address
H. Müller-Steinhagen
Conference Chair

8:25 - 9:00 Keynote Lecture - Improvement of Construction Materials Used in the Food Industry to Lengthen Processing Time-A New European Project (MODSTEEL)
H. Visser
University of Porto, Portugal

9:00 - 9:35 Keynote Lecture - Deposit Formation Phenomena in Solid Fuel Fired Power Station
K.R.G. Hein, F. Kluger, T. Heinzel, Maier and U. Schnell
University of Stuttgart, Germany

9:35 - 10:00 Coffee Break SESSION II: SURFACE TREATMENT
Chair: Hans Visser, University of Minho, Portugal

10:00 - 10:30 Aspects of Scale Adherence Mechanism in Bayer Process: Influence of Different Alloys and Surface Treatment on Scaling Rate
L. Gavril 1, R. Breault 2, and E. Ghali1
1Université Laval, Canada, 2Alcan International Ltd, Canada

10:30 - 11:00 Modelling the Effect of Surface Chemistry on Particulate Fouling under Flow-Boiling Conditions
C.W. Turner and S.J. Klimas
Atomic Energy of Canada Ltd, Canada

11:00 - 11:30 Modification of the Interface Crystal/Heat Transfer Surface to Reduce Heat Exchanger Fouling
M Förster and M Bohnet
Technische Universitat Braunschweig, Germany

11:30 - 12:00 Electrochemical and Chemical Polishing of Heat Exchangers
S. Pießlinger-Schweiger
POLIGRAT GmbH, Germany

12:00 - 12:30 Intermolecular and Adhesion Forces of Deposits on Modified Heat Transfer Surfaces
Q. Zhao1 and Müller-Steinhagen2
1University of Dundee, UK, 2German Aerospace Centre, Germany

13:00 - 14:00 Lunch

14:00 - 17:00 Ad hoc Sessions and/or Free Time

16:30 - 17:00 Afternoon Coffee

SESSION III: CRYSTALLISATION AND SCALING
Chair: Matthias Bohnet, Technische Universitat Braunschweig, Germany

17:00 - 17:30 Fouling by Calcium Oxalates in Aqueous Solutions
D. Lencar and A.P. Watkinson
University of British Columbia, Canada

17:30 - 18:00 A Study of Fouling and Fouling Mitigation on Smooth and Roughened Metal surfaces, and a Polymeric Material
S.K. Kazi, G.G. Duffy, and X.D. Chen
University of Auckland, New Zealand

18:00 - 18:30 Calcium Sulfate Deposition and Removal Characteristics on a Heated Plate
M.G. Mwaba, C.C.M. Rindt , M. Vorstman and A.A. van Steenhoven
Eindhoven University of Technology, The Netherlands

18:30- 19:00 Investigation of Mixed Fouling Growth Progress a Microbial and CaCO3 Fouling in Water Systems
L. XiangQin, L. TianQing, and S. XiangYu Dalian University of Technology, China

19:00 - 19:30 Heat Transfer Fouling Mitigation with Wood Pulp Fibres
S.K. Kazi, G.G. Duffy, and X.D. Chen
University of Auckland, New Zealand 19:30 - 20:00 Fouling in Parallel and Series Flow Plate Heat Exchangers
B. Bansal1, W. Augustin2, H. Müller-Steinhagen3, and X.D. Chen4
1Panjab University, India, 2Technical University of Braunschweig, Germany
3University of Stuttgart, Germany, 4University of Auckland, New Zealand

20:00 - 21:30 Dinner

21:30 - 23:00 Social Hour

TUESDAY, JULY 10, 2001

7:00 - 8:30 Breakfast SESSION IV: MODELLING
Chair: Norman Epstein, The University of British Columbia, Canada

8:30 - 9:00 Modelling Freezing Fouling by Provisional Parsimonious Parameterisation
M.T. Fernandez-Torres1, W.R. Paterson2 and D.I. Wilson2
1University of Alicante, Spain, 2University of Cambridge, UK

9:00 - 9:30 Studies of Swelling and Removal in Cleaning Processes
T.R. Tuladhar, W.R. Paterson and D.I. Wilson
University of Cambridge, UK

9:30 - 10:00 Incorporation of Fouling Models into the Design of Heat Transfer Networks
B.L. Yeap1, D.I. Wilson1, G.T. Polley2, and S.J. Pugh2 1University of Cambridge, UK, 2ESDU International, UK

10:00 - 10:30 Numerical Simulation of Slagging and Fouling in a Pulverized Coal-Fired Utility Boiler
U. Schnell, S. Richter, and K.R.G. Hein
University of Stuttgart, Germany

10:30 - 11:00 Coffee Break

11:00 - 11:30 The Use of CFD for the Interpretation of Fouling Data in PHEs
H. Zettler1 and H. Müller-Steinhagen2
1University of Surrey, UK, 2German Aerospace Agency, Germany

11:30 - 12:00 Numerical Simulation of Crystal Growth on Heat Transfer Surfaces
F Brahim, W. Augustin, and M. Bohnet
Technische Universitat Braunschweig, Germany

12:00 - 12:30 Neural Network Analysis of Heat Transfer Fouling Data
M.R. Malayeri and H. Müller-Steinhagen
German Aerospace Agency, Germany

13:00 - 19:30 Conference Three Mountain Pass Excursion (Optional) with boxed Lunch (Fluela Pass, Bernina Pass, Julier Pass with stop/time for coffee or walk around lake in St. Morltz)

20:00 - 21:30 Dinner

21:30 - 23:00 Social Hour

WEDNESDAY, JULY 11, 2001

7:00 - 8:30 Breakfast SESSION V: FOULING IN THE FOOD INDUSTRY
Chair: Dong Chen, University of Auckland, New Zealand

8:30 - 9:10 Keynote Lecture - Modelling Whey Protein Based Fouling of Heat Exchangers - Further Examining the Deposition Mechanisms
X.D. Chen1, J. Chen1 and D.I. Wilson2
1University of Auckland, New Zealand, 2University of Cambridge, UK

9:10 - 9:40 Adsorption Behaviour of b-Lactoglobulin on Modified Stainless Steel Surfaces
O. Santos, T. Nylander, M. Paulsson and C. Trägårdh
Lund University, Sweden

9:40 - 10:10 The Role of Calcium Phosphate in Milk Protein Fouling at Moderate and Elevated Temperatures
R. Rosmaninho, H. Visser and L.F. Melo University of Porto, Portugal

10:10 - 10:40 Coffee Break

10:40 - 11:10 Whey Protein Based Gel as an Experimental Model for Studying the Cleaning Mechanisms of Milk Fouling and Testing the Effectiveness of Cleaning Process
H. Xin1, X.D. Chen1, and M. Leith2
1University of Auckland, 2Kiwi Co-operative Dairies Ltd, New Zealand

11:10 - 11:40 Modelling the Deposition of Food Fats in Distribution Pipelines
A.M. Fitzgerald1, W.R. Paterson1, I. Smart2 and D.I. Wilson1
1University of Cambridge, UK, 2United Biscuits Group R&D, UK

12:00 - 13:30 Lunch

13:30 - 15:30 Ad Hoc Sessions and/or Free Time

15:00 - 15:30 Afternoon Coffee

SESSION VI: INDUSTRIAL FOULING PROBLEMS AND SOLUTIONS
Chair: Fernando Aguirre, HTRI, USA

15:30 - 15:50 History of Fouling Research at HTRI and Strategy for the Future
J. W. Palen
HTRI, USA

15:50 - 16:25 Keynote Lecture - Heat Exchanger Fouling in the Pre-heat Train of a Crude Oil Distillation Unit - The Development of a "User Guide"
S.J. Pugh1, G.F. Hewitt2 and H. Müller-Steinhagen3
1ESDU International, UK, 2Imperial College of Science, technology and Medicine, UK, 3German Aerospace Centre, Germany

16:25 - 17:00 Keynote Lecture - Fouling Problems in the Chemical Industry
B. Rumpf
BASF, Germany

17:00 - 17:35 Keynote Lecture- The Problem of Heat Exchanger Fouling in Petroleum Refineries
H.M. Joshi
ExxonMobil Research and Engineering Company, USA

17:35 - 17:50 Break

17:50 - 18:20 Fouling of HVAC Fin and Tube Heat Exchangers
J. Siegel1 and V.P. Carey2 1Lawrence Berkeley National Laboratory, 2University of California, Berkeley, USA

18:20 - 18:50 Heat Exchanger Fouling in Phosphoric Acid Evaporators - Evaluation of Field Data
R.M Behbahani1, H. Müller-Steinhagen2, and M. Jamialahmadi3
1University of Surrey, UK, 2University of Stuttgart, Germany, 3University of Petroleum Industry, Iran

18:50 - 19:20 Experimental Investigation of the Fouling Thermal Resistance on Corrugated tube
Z.M. Xu, J.G. Wang and S.R. Yang
Northeast China Institute of Electric Power Engineering, China

19:20 - 19:50 Fouling by Physical Condensation of Heavy Hydrocarbons in the Transfer Line Exchangers
S. M. Sadrameli1, H. Manafzadeh2, and J. Towfighi1
1Tarbiat Modarres University, 2Arak Petrochemical Complex, Iran

20:15 Conference Banquet followed by Social Hour

THURSDAY, JULY 12, 2001

7:00 - 8:30 Breakfast

SESSION VII: FOULING IN THE OIL INDUSTRY
Chair: Reg Bott, University of Birmingham, UK

8:30 - 9:00 Designing Petroleum Processing Heat Transfer Capital Equipment Subject to Fouling
G.M. Jones1 and T.R. Bott2
1Independent Project Analysis, Netherlands and 2University of Birmingham, UK

9:00 - 9:30 Asphaltene-Resin Interactions in Fouling of Unstable Oil Mixtures
E. Al-Atar and A.P. Watkinson
University of British Colombia, Canada

9:30 - 10:00 Fouling of Whole Crudes on Heated Surfaces
G. Brons and T.M. Rudy ExxonMobil, USA

10:00 - 10:30 Coffee Break

10:30 - 11:00 Mitigating Fouling by Incompatible or by Nearly Incompatible Petroleum Asphaltenes
I.A. Wiehe
Soluble Solutions, USA

11:00 - 11:30 Successful Fouling Mitigation in Crude Refining and Chemical Plant Operations by Means of Mechanical Online Cleaning Devices: Spirelf®, Turbotal® And Fixotal®
F. Jardin1 and A.W. Krueger2
1Petroval S.A., France, and 2Petroval-Houston, USA

11:30 - 12:00 Vapour Phase Fouling in Bitumen Coking Applications
A.P. Watkinson, J. Xu, and I.C. Rose
University of British Colombia, Canada

12:00 - 12:30 Simulating the Fouling Behaviour in Shell and Tube Heat Exchangers
B.L. Yeap1, G.F. Hewitt1, D.I. Wilson2 and S.J. Pugh3
1Imperial College of Science, Technology and Medicine, UK, 2University of Cambridge, UK, 3ESDU International, UK

12:30 - 14:00 Lunch

14:00 - 15:45 Ad Hoc Sessions and/or Free Time

15:15 - 15:45 Afternoon Coffee

SESSION VIII: FOULING IN POWER PLANTS
Chair: Syed M. Zubair, King Fahd University, Saudi Arabia

15:45 - 16:15 Deposition of Corrosion Product Particles onto Heat Exchange Surfaces in Bulk Boiling
H. Carpentier, L. McCrea, and D.H. Lister
University of New Brunswick, Canada

16:15 - 16:45 Scale Formation in an Early Nuclear Powered Steam Generator
R. H. Leyse
Inz Inc., USA

16:45 - 17:15 Fouling Experience of Pressurized Water Reactor Nuclear Steam Generators in the U.S. G.A. White
Dominion Engineering, Inc., USA

17:15 - 17:30 Break

17:30 - 18:00 Optimisation of a Tube Bundle Geometry with Respect to the Formation of a Powdery Deposit
M.C. Van Beek, C.C.M. Rindt, J.C. Wijers and A.A. van Steenhoven Eindhoven University of Technology, The Netherlands

18:00 - 18:30 Fouling Decreasing under Heat Transfer Enhancement
Y.A. Kuzma-Kichta, A.S. Sedlov, D.V. Buyakov, R.V. Agapov, K.A. Fedorov, and B.I. Nigmatulin
Moscow Power Engineering Institute, Russia

18:30 - 19:00 On-Line Monitoring Technique for Ash Deposits on Economizer
J.G. Wang, Z.M. Xu, and S.R. Yang
Northeast China Institute of Electric Power Engineering, China

19:00 - 19:30 Optimum Cycle for Soot Blowing of Economizer in a Boiler
S.R. Yang, Z.M. Xu, J.G. Wang, and G.H. Wang
Northeast China Institute of Electric Power Engineering, China

20:00 - 21:00 Dinner

21:00 - 22:30 Social Hour

FRIDAY, JULY 13, 2001

7:00 - 8:30 Breakfast

SESSION IX: FOULING MITIGATION
Chair: Hans Müller-Steinhagen, DLR, Germany

8:30 - 9:00 Mitigating Fouling at the Plant Scale by Strategic Cleaning: Potential, Pitfalls, and Needs
D.I. Wilson, V.S. Vassiliadis and F. Smaïli
University of Cambridge, UK

9:00 - 9:30 Statistical Characterization of Cleaning Cycles of Plate Heat Exchangers in a Steel Plant
S.M. Zubair, A.K. Sheikh and J. Khan
King Fahd University of Petroleum & Minerals, Saudi Arabia

9:30 - 10:00 The Effect of Tube Inserts on Biocide Efficacy
A. Wills1, T.R. Bott2 and I. Gibbard3 1Minerals Engineering International, 2University of Birmingham, and 3Cal Cavin Ltd, UK

10:00 - 10:30 Coffee Break

10:30 - 11:00 Technology of Scaling Prevention under Thermal Desalination of Water
A.S. Sedlov1, V.V. Shischenko2, S.V. Sidorova1, N.I. Laryushkin3, and A.A. Grishin4
1Moscow Power Engineering Institute, 2 SC "Association VNIPIEnergoprom", 3 SC "MORDOVENERGO", 4 RAO "UES of Russia", Russia

11:00 - 11:30 Chlorine Dioxide Treatments Optimisation by Monitoring Systems
P. Cristiani1, M. Belluati2, V. Balacco2, L. Bartole2, and G. Bressan3
1CESI S.p.A., Italy, 2Caffaro S.p.A., Italy, 3Università di Trieste, Italy

11:30 - 12:00 The Effectiveness of Environmentally Friendly Biocides and Biodispersants
M.A. Cowbourne, D.A. Lester and T.R. Bott
University of Birmingham, UK

12:00 - 13:30 Final Discussion

13:30 - 14:30 Lunch and Conference Adjournment

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