FINAL PROGRAM

Beneficiation of Phosphates III

TradeWinds Beach Resort and Conference Center
5500 Gulf Boulevard
St. Pete Beach, Florida 33706
T: 1-727-562-1240 F: 1-727-562-1215
December 2-7, 2001

Conference Chair:
P. Zhang
FIPR
Conference Co-Chairs:
H. El-Shall
University of Florida
P. Somasundaran
Columbia University
R. Stana
USA

United Engineering Foundation, Inc.
Three Park Avenue, 27th Floor
New York, NY 100-16-5902
T: 1-212-591-7836 Fax: 1-212-591-7441
Email: engfnd@aol.com Website: www.engfnd.org/1ap.html

Sunday, December 2, 2001

15:00 - 19:00 Conference Registration (Grand Palm Colonnade East Room)

19:15 - 21:00 Dinner

21:00 - 22:00 Social Hour

IMPORTANT ANNOUNCEMENTS
All technical sessions will be held in the Long Key Room
All meals will be served in the Banyan-Citrus Room
UEF Conferences are smoke-free. Please do not smoke at any conference function.
Please turn off (or turn to vibrate) your cell phone during technical sessions

Monday, December 3, 2001

07:00 - 08:15 Breakfast

08:30 - 09:00 Opening/ Welcoming Remarks
Patrick Zhang, Conference Chair
P. Somasundaran, Conference Liaison
Hassan El-Shall and Regis Stana, Conference Co-Chairs

09:00 - 09:45 Keynote Speech
RECENT ADVANCES IN FLOTATION AND THE CHALLENGES AHEAD
Roe-Hoan Yoon, Virginia Tech, USA

09:45 - 10:00 Discussion

10:00 - 10:30 Coffee Break

SESSION 1: FUNDAMENTALS
Session Chairs: Eric Forssberg and Laurindo de Salles Leal Filho

10:30 - 11:00 MECHANISM OF ADHESION OF Bacillus subtilis ONTO DOLIMITE
Ross Smith, X. Zheng, and P.J. Arps, University of Nevada, Reno,USA

11:00 - 11:30 SELECTIVE FLOTATION OF PHOSPHATE MINERAL WITH ALCOHOLIC SOLUTIONS OF ALKY HYDROXAMIC ACIDS
J.D. Miller, X. Wang, M. Li, University of Utah, Salt Lake City, Utah, USA

11:30 - 12:00 DISPERSION CHARACTERISTICS OF APATITE AND MAGNETITE FINES IN THE PRESENCE OF INORGANIC AND ORGANIC REAGENTS AND ITS INFLUENCE ON THE DEPHOSPHORISATION OF MAGNETITE ORE
S. Subramanian, Indian Institute of Science, Bangalore, India
K. Hanumantha Rao and K. S. E. Forssberg, Lulea University of Technology, Sweden

12:15 - 13:45 Lunch

13:45 - 16:45 Ad hoc sessions and/or free time

SESSION 1: FUNDAMENTALS (continued)
Session Chairs: Eric Forssberg and Laurindo de Salles Leal Filho

17:00 - 17:30 FLOTATION OF PHOSPHATE ORES WITH SODIUM OLEATE AND
NONIONIC SURFACTANTS MIXTURES
S. Chander and Hikmet Sis, Penn State University, University Park, PA, USA

17:30 - 18:00 SELECTIVE FLOCCULATION OF APATITE TO IMPROVE
FLOTATION OF FINE PHOSPHATE ORE FRACTIONS
J.S. Laskowski and Y.H. Zhan, University of British Columbia, Vancouver, Canada

18:00 - 18:30 ACTIVATION AND DEPRESSION OF SILICATES DURING ANIONIC FLOTATION OF IGNEOUS APATITES
Laurindo de Salles Leal Filho, University of São Paulo, Brazil
S.M. Assis and A.E.C. Peres, Federal University of Minas Gerais, Brazil
L.A.F. Barros, Fosfértil S.A., Brazil

18:30 - 19:00 Discussion

19:00 - 20:30 Dinner

20:30 - 21:30 Social Hour

Tuesday, December 4, 2001

07:00 - 08:15 Breakfast

SESSION 2: FLOTATION REAGENTS
Session Chairs: Chaucer Hwang and Antonio Peres

08:30 - 09:00 SOLUBILIZATION OF PHOSPHATE MATERIALS WITH ASPERGILLUS NIGER AND THIOBACILLS THIOOXIDANS
D.Bojinova and R.Velkova, University of Chemical Technology and Metallurgy, Bulgaria

09:00 - 09:30 UPDATING THE KNOWLEDGE OF AMINE FLOTATION IN PHOSPHATE PROCESSING: I. SELECTIVITY
Jinrong "Patrick" Zhang, Francisco Sotillo*, Robert Snow, Florida Institute of Phosphate Research
*PerUsa EnviroMet

09:30 - 10:00 BENCH SCALE FLOTATION OF SEDIMENTARY PHOSPHATE ROCK WITH HYDROXAMIC ACID COLLECTORS
J.D. Miller, X. Wang, and M. Li, University of Utah, Salt Lake City, Utah, USA

10:00 - 10:30 Coffee Break

10:30 - 11:00 SELECTIVE FLOTATION SEPARATION OF PHOSPHATE AND WEAK MAGNETIC IRON ORE USING OLEYLSARCOSINATE AND PHOSPHORIC EASTER AS COLLECTORS
Keji Sun, Institute of Oill Production Technology & Research, Sandong, China
Shouci Lu and Dianzuo Wang, University of Science & Technology, Beijing, China

11:00 - 11:30 SURFACE CHEMICAL CHARACTERISTICS AND ADSORPTION PROPERTIES OF CALCITE AS ONE OF THE GANGUE MINERALS OF PHOSPHATE ORES
P. Somasundaran, Columbia University, USA
S.E. El-Mofty, Cairo University, Egypt

11:30 - 12:00 SELECTIVE FLOCCULATION OF FINE PHOSPHATE MATERIALS
C. A. Summers and D. C. Dahlin, U.S. Department of Energy - Albany Research Center
S. Chander, The Pennsylvania State University, USA

12:00 - 12:30 Discussion

12:30 - 14:00 Lunch

14:00 - 16:00 Ad hoc sessions and/or free time

SESSION 3: NOVEL TECHNIQUES
Session Chairs: Joe Shoniker and Mike Mankosa

16:00 - 16:30 A SIMPLE METHOD FOR EVALUATING DATA FROM PHOSPHATE BENEFICIATION PLANTS
Gerald Luttrell, and Matthew Eisenmann, Virginia Polytechnic Institute and State University, USA

16:30 - 17:00 LASER-INDUCED LUMINESCENCE AND LIBS EVALUATION OF PHOSPHATES WITH HIGH DOLOMITE CONTENT
Michael Gaft, The Open University of Israel, Tel-Aviv, Israel
L. Nagli, Tel-Aviv University, Tel-Aviv, Israel
G. Panczer, Lyon University, France
R. Reisfeld, Hebrew University, Israel
D. Carrier, Argila Enterprises, Lakeland, USA

17:00 - 17:30 MONGOLIAN PHOSPHATE RESERVES AND MECHANO-CHEMICAL TECHNOLOGY FOR PRODUCING AN ACTIVATED PHOSPHATE FERTILIZER
J. Amgalan and A. Minjigmaa, Institute of Chemistry and Chemical Technology, MONGOLIA

17:30 - 18:00 NEW TECHNOLOGY FOR CLAY REMOVAL
Charles Y. Guan and Frank S. Hicks, Jacobs Engineering Groups, Lakeland, Florida, USA

18:00 - 18:30 UPGRADING COARSE PHOSPHATE SANDS USING THE HYDROFLOAT SEPARATOR
Michael J. Mankosa and Jaisen N. Kohmuench, Eriez, USA
Chris Barbee and Gerald H. Luttrell, Virginia Polytechnic Institute & State University, USA

18:30 - 19:00 BENEFICIATION OF SILICEOUS PHOSPHATE USING THE FIPR/SAPR PROCESS
Patrick Zhang, Robert Snow and Yingxue Yu, Florida Institute of Phosphate Research, USA

19:00 - 19:30 Discussion

19:30 - 21:00 Dinner

21:00 - 22:00 Social Hour

Wednesday, December 5, 2001

07:00 - 08:15 Breakfast

SESSION 4: BENEFICIATION OF PHOSPHATES WITH CARBONACEOUS GANGUES
Session Chairs: Karen Lulf and Stacie Gebo

08:30 - 09:00 SURFACE MODIFICATION OF APATITE AND DOLOMITE BY MICROORGANISMS FOR SELECTIVE FLOTATION
Hassan El-Shall, S. Farrah, and C. Boice, University of Florida
Z. Adbel-Khalek, Central Metallurgical Research and Development Institute

09:00 - 09:30 A TWO STAGE FLOTATION PROCESS FOR EDUCING MGO IN AN FINE PHOSPHATE PROCESS STREAM
Ross Smith, X. Zheng, and M.P. Allen*, University of Nevada, Reno, USA
*SF Phosphates Ltd.

09:30 - 10:00 THE CHALLENGE OF FLOATING A PHOSPHATE ORE WITH SILICATE SILICATE-CARBONATE GANGUE
Antonio E. C. Peres and Risia M. Papini, UFMG - Federal University of Minas Gerais, Brazil
Rogerio C. Guimarães, Fertilizantes Serrana, Brazil

10:00 - 10:30 Coffee Break

10:30 - 11:00 FATTY ACID FLOTATION OF CALCAREOUS PHOSPHATE ROCK BY ENZYME AUTOXIDATION
Ahmed Yehia and M.A. Abdel-Khalek, Central Metallurgical R&D Institute, Cairo, Egypt
J.D.Miller, University of Utah, Salt Lake City, Utah, USA
M. Fadel, National Research Center, Egypt

11:00 - 11:30 DOLOMITE FLOTATION - PILOT PLANT STUDIES
Glenn Gruber, Charles Guan, and Michael Kelahan, Jacobs Engineering Groups, Lakeland, Florida, USA

11:30 - 12:00 FLOATABILITY OF PHOSPHATE MINERALS IN THE PRESENCE OF SOLUABLE GLASS, SALTS, SLIMES AND CARBONATE MINERALS
A.A. Abramov, A.J. Kalugin, D.E. Kozlov, D.V. Magazanik, Moscow State Mining University, Moscow, Russia

12:00 - 12:30 REVIEW OF BENEFICIATION TECHNOLOGY FOR FLORIDA HIGH- MgO PEBBLE
Zhiahong Gao and Shibo Zheng, Lianyungang Design and Research Institute (CLDRI), China

12:30 - 13:30 Lunch

13:30 - 19:00 Technical Excursion Phosphate Mining & Beneficiation, CF Industries

19:30 - 21:00 Dinner

Thursday, December 6, 2001

07:30 - 08:15 Breakfast

SESSION 5: HYDRO-METALLURGICAL PROCESSING
Session Chairs: Regis Stana and Clive Holland

08:30 - 09:00 DECREASING IRON CONTENT IN PHOSPHORIC ACID
Hassan El-Shall and C. Boice, University of Florida
El-Sayed A. Abdel Aal, Central Metallurgical Research and Development Institute

09:00 - 09:30 PHOSPHATE ROCK DISSOLUTION USING NITRIC ACID
G.M. Walker, C.R.Holland, M.N.Ahmad, H.E.M.N.Moursy, and R.D.Chandler

09:30 - 10:00 ENVIRONMENTAL ASPECTS OF PHOSPHOGYPSUM GENERATION FROM PHOSPHATED FERTILIZER INDUSTRY
José Renato B. Lima and Rosana M. Macedo Borges, São Paulo University, Brazil

10:00 - 10:30 Coffee Break

10:30 - 11:00 THE EFFECT OF IMPURITIES IN PHOSPHORIC ACID ON THE PRODUCTION OF GRANULAR PHOSPHATE CONTAINING COMPOUND FERTILIZERS
R.D.Chandler, C.R.Holland, M.N.Ahmad, and G.M.Walker The Queen's University of Belfast, Northern Ireland, UK

11:00 - 11:30 ACIDULATION OF PHOSPHATE ROCK USING NITRIC ACID: REACTION KINETICS
M.N.Ahmad, C.R.Holland, R.D.Chandler, G.M.Walker, H.E.M.N.Moursy, The Queen's University Belfast, Northern Ireland, UK

11:30 - 12:00 IMPORTANCE OF PHOSPHATE ROCK IMPURITIES
V. Astley, IMC Phosphates, Mulberry, FL, USA
R. Stana, University of Florida, USA

12:00 - 12:30 Discussion

12:30 - 14:00 Lunch

14:15 - 19:15 Ad hoc sessions and/or free time

19:30 - 22:00 Banquet and Social Hour

Friday, December 7, 2001

07:30 - 08:15 Breakfast

SESSION 6: PLANT PRACTICES
Session Chairs: David Gossett and John Ellington

08:30 - 09:00 PLANT SITE COLUMN FLOTATION TESTS
Glenn Gruber and Kerby Glass, Jacobs Engineering Groups, Lakeland, Florida, USA

09:00 - 09:30 UP GRADING OF SLIME & UTILIZATION
Nazieh Touqan and Mahmoud Anati, JPMC, Amman, Jordan

09:30 - 10:00 FLOTATION PLANT PRACTICE
Salih Gowiri and Sami Ghazwi, JPMC, Amman, Jordan

10:00 - 10:30 Coffee Break

10:30 - 11:00 THE FUTURE OF THE FERTILIZER INDUSTRY
Regis Stana, The University of Florida, USA

11:00 - 11:30 BRAZILIAN PRODUCERS USE NEW TECHNOLOGY TO RECOVER ULTRA-FINE APATITE Harold Wyslouzil, Canadian Process Technologies Inc., Vancouver, Canada

11:30 - 12:00 Discussion and closing

12:30 - 14:00 Lunch and adjournment

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