Changes in physical structure and chemical composition of phosphate rock during calcination in fluidized and fixed beds

Advanced Powder Technology

Volumn 17, Issue 5, 2006, Pages 481-494

  Ozer A K ^a   Gulaboglu M S ^a   Bayrakceken S ^a   Weisweiler, W ^b  

^a ATATÜRK UNIVERSITY   (Turkey)

^b UNIVERSITY OF KARLSRUHE   (Germany)

Author keywords

Calcination; Fixed bed reactor; Fluidized bed reactor; Phosphate rock

Indexed keywords

CALCINATION; COMPOSITION; FLUIDIZED BEDS; MERCURY (METAL); POROSIMETERS; SCANNING ELECTRON MICROSCOPY; X RAY DIFFRACTION;

FIXED BED REACTORS; FLUIDIZED BED REACTORS; PHOSPHATE ROCKS; PHYSICAL STRUCTURE;

PHOSPHATES;

EID: 33748093991     PISSN: 09218831     EISSN: None     Source Type: Journal    
DOI: 10.1163/156855206778440543     Document Type: Article

References (13)

1. M. A. Doheim, M. M. Tarshan and M. M. El-Gendy, Calcination of phosphate rock in a fluidised bed furnace: effect of some design variables, J. Appl. Chem. Biotechnol. 28, 531-538 (1978).
2. I. S. El-Jallad, A. Z. M. Abouzeid and H. A. El-Sinbawy, Calcination of phosphates: reactivity of calcined phosphate, Powder Technol. 26, 187-197 (1980).
3. A. Z. M. Abouzeid, I. S. El-Jallad and M. K. Orphy, Calcareous phosphates and their calcined products, Minerals Sci. Eng. 12, 73-83 (1980).
4. A. Ziv and A. Tamir, Calcination of phosphate in impinging streams. Part 1: development, theory and modelling, Can. J. Chem. Eng. 71, 771-783 (1993).
5. G. G. Memminger, W. H. Waggaman and W. T. Whitney, The calcination or enrichment of phosphate rock, Ind. Eng. Chem. 22, 443-446 (1930).
6. D. Kumar, Calcination of phosphate rocks, Chem. Ing. Tech. 52, 736-740 (1980).
7. L. H. Goldney and J. S. Hoare, Design and operation of a submerged combustion fluidised bed process for phosphate calcination, in: Proc. Chemical Engineering Conf., Adelaide, paper 2503 (1968).
8. M. A. Doheim, M. M. Tarshan and M. M. El-Gendy, Fluidised-bed thermal treatment of phosphate rock: effect of operating variables, Int. J. Mineral Process. 5, 183-197 (1978).
9. D. H. Jenkins and H. N. Sinha, Calcination of bauxite pisolites and phosphate rock using coal-fired fluidised bed, J. Inst. Energy 53, 176-180 (1980).
10. A. K. Özer, The characteristics of phosphate rock for upgrading in a fluidized bed, Advanced Powder Technol. 14, 33-42 (2003).
11. A. Özer, M. Ş. Gülaboǧlu, S. Bayrakçeken and W. Weisweiler, Flue gas desulfurization with phosphate rock in a fluidised bed, Fuel 81, 41-49 (2002).
12. A. K. Özer, M. Ş. Gülaboǧlu and S. Bayrakçeken, Physical structure and chemical and mineralogical composition of the Mazidaǧi (Turkey) phosphate rock, Ind. Eng. Chem. Res. 39, 679-683 (2000).
13. H. P. Freeman, J. G. Caro and N. Heinly, Effect of calcination on the character of phosphate rock, J. Agric. Food Chem. 12, 479-486 (1964).