Prevention of agglomeration/defluidization in fluidized bed reduction of Fe2O3 by CO: The role of magnesium and calcium oxide

Powder Technology

Volumn 241, Issue , 2013, Pages 142-148

  Zhong, Yiwei ^a,b   Wang, Zhi ^a   Guo, Zhancheng ^c   Tang, Qing ^a  

^a INSTITUTE OF PROCESS ENGINEERING   (China)

^b UNIVERSITY OF CHINESE ACADEMY OF SCIENCES   (China)

^c UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING   (China)

Author keywords

Defluidization; Fe2O3; Fluidized bed reduction; Magnesium calcium oxide; Prevention

Indexed keywords

BED MATERIALS; DEFLUIDIZATION; FLUIDIZED BED REACTORS; INHIBITION EFFECT; OPERATING TEMPERATURE; PREVENTION; REDUCTION PROCESS; SCANNING ELECTRON MICROSCOPE;

AGGLOMERATION; CHEMICAL REACTORS; COATINGS; FLUID CATALYTIC CRACKING; FLUIDIZED BEDS; IRON OXIDES; LIME; MAGNESIUM; NANOFILTRATION MEMBRANES; X RAY DIFFRACTION;

MAGNESIA;

CALCIOWUSTITE; CALCIUM OXIDE; IRON OXIDE; MAGNESIOWUSTITE; MAGNESIUM OXIDE; METAL OXIDE; UNCLASSIFIED DRUG;

AGGLOMERATION; ARTICLE; CHEMICAL COMPOSITION; CHEMICAL PARAMETERS; CHEMICAL PHENOMENA; CHEMICAL REACTION KINETICS; DEFLUIDIZATION; DEFLUIDIZATION TIME; ENERGY DISPERSIVE SPECTROSCOPY; FLUIDIZED BED REDUCTION; MOLECULAR DYNAMICS; PHASE TRANSITION; PRECIPITATION; REDUCTION; SCANNING ELECTRON MICROSCOPY; SPECTROSCOPY; STRUCTURE ANALYSIS; SURFACE PROPERTY; X RAY DIFFRACTION;

EID: 84876795563     PISSN: 00325910     EISSN: 1873328X     Source Type: Journal    
DOI: 10.1016/j.powtec.2013.03.030     Document Type: Article

References (26)

1. Cho P., Mattisson T., Lyngfelt A. Defluidization conditions for a fluidized bed of iron oxide-, nickel oxide-, and manganese oxide-containing oxygen carriers for chemical-looping combustion. Industrial and Engineering Chemistry Research 2006, 45:968-977.
2. Fryda L.E., Panopoulos K.D., Kakaras E. Agglomeration in fluidised bed gasification of biomass. Powder Technology 2008, 181:307-320.
3. Komatina M., Gudenau H.W. The sticking problem during direct reduction of fine iron ore in the fluidized bed. Journal of Metallurgy 2004, 10:309-328.
4. Gluckman M.J., Yerushalmi J., Squires A.M. Defluidization Characteristics of Sticky or Agglomerating Beds. Fluidization Technology 1976, vol. II :395-422. Hemisphere, Washington DC. D.L. Keairns (Ed.).
5. Seville J.P.K. High-temperature defluidization. Powder Technology 1984, 38:13-22.
6. Hayashi S., Iguchi Y. Factors affecting the sticking of fine iron ores during fluidized bed reduction. ISIJ International 1992, 32:962-971.
7. Langston B.G., Stephens F.M. Self-agglomerating fluidized bed reduction. Journal of Metals 1960, 12:312-316.
8. Gransden J.F., Sheasby J.S., Bergougnou M.A. An investigation of defluidization of iron ore during reduction by hydrogen in a fluidized bed. Chemical Engineering Progress Symposium Series 1970, 66:208-214.
9. Gransden J.F., Sheasby J.S. The sticking of iron ore during reduction by hydrogen in a fluidized bed. Canadian Metallurgical Quarterly 1974, 13:649-657.
10. Zhong Y., Wang Z., Gong X., Guo Z. Sticking behaviour caused by sintering in gas fluidisation reduction of haematite. Ironmaking and Steelmaking 2012, 39:38-44.
11. Lin C.L., Wey M.Y. The effect of mineral compositions of waste and operating conditions on particle agglomeration/defluidization during incineration. Fuel 2004, 83:2335-2343.
12. Lin C.L., Kuo J.H., Wey M.Y., Chang S.H., Wang K.S. Inhibition and promotion: the effect of alkali earth metals and operating temperature on particle agglomeration/defluidization during incineration in fluidized bed. Powder Technology 2009, 189:57-63.
13. Hayashi S., Sawai S., Iguchi Y. Influence of coating oxide and sulfur pressure on sticking during fluidized bed reduction of iron ores. ISIJ International 1993, 33:1078-1087.
14. 2O gas mixtures. Metallurgical Transactions B 1990, 21:743-751.
15. Sesen M.K. The influence of CaO on the precipitation behaviour of iron in the reduction of iron oxide. Scandinavian Journal of Metallurgy 2001, 30:1-7.
16. 2 on swelling and iron whisker formation during reduction of iron oxide compact. Ironmaking and Steelmaking 2011, 38:447-452.
17. Tardos G.I., Mazzone D., Pfeffer R. Destabilization of fluidized beds due to agglomeration. Part 1: theoretical model. Canadian Journal of Chemical Engineering 1985, 63:377-383.
18. Zhong Y., Wang Z., Guo Z., Tang Q. Defluidization behavior of iron powders at elevated temperature: influence of fluidizing gas and particle adhesion. Powder Technology 2012, 230:225-231.
19. Yamazaki R., Han N.S., Sun Z.F., Jimbo G. Effect of chemisorbed water on bed voidage of high temperature fluidized bed. Powder Technology 1995, 84:15-22.
20. Krupp H. Particle adhesion theory and experiment. Advances in Colloid and Interface Science 1967, 1:111-239.
21. Mikami T., Kamiya H., Horio M. The mechanism of defluidization of iron particles in a fluidized bed. Powder Technology 1996, 89:231-238.
22. Knight P.C., Seville J.P.K., Kamiya H., Horio M. Modelling of sintering of iron particles in high-temperature gas fluidization. Chemical Engineering Science 2000, 55:4783-4787.
23. Manzoori A.R., Agarwal P.K. Agglomeration and defluidization under simulated circulating fluidized-bed combustion conditions. Fuel 1994, 73:563-568.
24. Wang Z. Ferrous Metallurgy 2002, Metallurgical Industry Press, Beijing. second ed.
25. Strelov K.K., Safin I.M., Fedotov V.I. Reduction of iron oxide from commercial magnesite refractory. Inorganic Materials 1981, 17:1344-1347.
26. Du S., Srinivasan N.S., Staffansson L.I. Reduction of calcium ferrites by hydrogen in the temperature interval 1191-1426 K. Scandinavian Journal of Metallurgy 1988, 17:233-238.