PRELIMINARY 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

Top of Conference Page About this Conference
Fees and Registration Hotel and Travel
EF Conference Calendar

Sunday, December 2, 2001

15:00 - 19:00 Conference Registration

19:15 - 21:00 Dinner

21:00 - 22:00 Social Hour

Monday, December 3, 2001

07:00 - 08:15 Breakfast

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

09:00 - 09:45 Keynote Speech TBA

09:45 - 10:00 Discussion

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

10:30 - 11:00 ADSORPTION OF CA(II) AND MG(II) ONTO BACTERIA AND BACTERIA
ONTO DOLOMITE AND APATITE

Ross Smith, X. Zheng, and P.J. Arps, University of Nevada, Reno,USA

11:00 - 11:30 SURFACE CHEMISTRY CONSIDERATIONS IN THE DEVELOPMENTOF A
NEW CLASS OF COLLECTORS FOR COARSE PHOSPHATE FLOTATION

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 Univeristy, 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 OF SILICATES DURING ANIONIC FLOTATION OF IGNEOUS
APATITES

Laurindo de Salles Leal Filho and Antônio Eduardo Clarke Peres, University of São Paulo, Brazil
Luís Antônio Fonseca de 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

SESSION 2: FLOTATION REAGENTS
Session Chairs: Chaucer Hwang and A.A. Abramov

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 BENEFICIATION TECHNOLOGY APPLIED TO PHOSPHORITES OF THE
THE KARATAU BASIN
.
A.A. Poyarel, "Karatau" Mining Complex, Kazakhstan
Yu.A. Kiperman and M.A. Komarov, "VIEMS" Research Institute, Moscow, Russia

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 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

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 Abdellah Chik

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 AUTOMATED PROCESS CONTROL SYSTEM FOR A PHOSPHATE ROCK
FLOTATION PLANT

A. Lazanowski and V Astley, IMC Phosphates, Mulberry, FL, USA

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 PLANT-SITE EVALUATION OF A NEW COLLECTOR FOR COARSE
PHOSPHATE FLOTATION

J.D. Miller, X. Wang, and M. Li, University of Utah, Salt Lake City, Utah, 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 Steve Van Kauwenbergh

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 REDUCTION OF MGO IN AN INTERMEDIATE PHOSPHATE STREAM USING
A TWO STAGE FLOTATION PROCESS

Ross Smith, X. Zheng, and M.P. Allen, University of Nevada, Reno, USA

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, Central Metallurgical R&D Institute, Cairo, Egypt
J.D.Miller, University of Utah, Salt Lake City, Utah, USA

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 A NEW, POWERFUL REAGENT SYSTEM FOR COARSE DOLOMITE
FLOTATION

Qiang Li and Meng Tao, Innermongolia Normal University, China

12:00 - 12:30 Discussion

12:30 - 14:00 Lunch

14:30 - 19:00 Technical Excursion (Site TBD)

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 EFFECT OF PROCESS PARAMETERS ON THE ACIDULATION OF
PHOSPHATE ROCK 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 IMPORTANCE THAT IMPURITIES IN PHOSPHORIC ACID HAVE IN
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 PHOSPHATE ROCK VALUE
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 Gerhardus Du Plessis

08:30 - 09:00 PRODUCTION OF DAP FROM LOW GRADE ORE BY WMC FERTILIZERS
Du Plessis, Gerhardus C and Malone, Steven I, WMC Fertilizers Pty Ltd', Australia

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

09:30 - 10:00 UP GRADING OF SLIME & UTILIZATION
Nazieh Touqan and Mahmoud Anati, JPMC, Amman, Jordan

10:00 - 10:30 Coffee Break

10:30 - 11:00 FLOTATION PLANT PRACTICE
Salih Gowiri and Sami Ghazwi, JPMC, Amman, Jordan

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 BRAND NEW TECHNOLOGY TO PRODUCE WET-PROCESS PHOSPHORIC
ACID FROM NODULAR PHOSPHORITES

Yu.A. Kiperman and M.A. Komarov All-Russia's Research Institute of Economics of Mineral Resources & the Use of the Subsurface (VIEMS), Moscow, Russia

12:00 - 12:30 Discussion and closing remarks

12:30 - 14:00 Lunch and adjournment

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