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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