EFFECTS OF COATING GOLEGOHAR-CHADORMALU PELLET ON ITS BEHAVIOUR IN DIRECT REDUCTION PROCESS

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SAFARIAN DASTJERDI J.; SAIDI A.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: ESTEGHLAL Year:2005 | Volume:24 | Issue:1 Page(s): 425-433

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Title

EFFECTS OF COATING GOLEGOHAR-CHADORMALU PELLET ON ITS BEHAVIOUR IN DIRECT REDUCTION PROCESS

Author(s)

SAFARIAN DASTJERDI J. | SAIDI A. | Issue Writer Certificate

Keywords

SPONGE IRONQ4

DIRECT REDUCTIONQ4

COATED PELLETQ4

CLUSTERING OF DRIQ4

Abstract

A higher bustle temperature in midrex DIRECT REDUCTION process is always desirable due to its positive effect on the productivity and DRI quality. The limit of the bustle temperature is related to the sticking or clustering behavior of oxide pellets during the reduction in the reactor. It has been well estabilished that coating of oxide pellets by a refractory material decreases its tendency to clustering. In this study, the clustering behavior of oxide pellets (produced from Golegohar-Chadormalu iron ore) during reduction at different temperatures was investigated. The effect of coating with different amounts of hydrated lime on the clustering behavior was also examined. Microscopic examination of COATED PELLETs shows a porous, non-continuous layer of Ca(OH)2 being formed on the surface of the pellets. The clustering tendency of COATED PELLETs, measured by the standard sticking test at pilot scale, was much lower, compared with normal (uncoated) pellets, while their reducibility was the same.

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APA: Copy

SAFARIAN DASTJERDI, J., & SAIDI, A.. (2005). EFFECTS OF COATING GOLEGOHAR-CHADORMALU PELLET ON ITS BEHAVIOUR IN DIRECT REDUCTION PROCESS. ESTEGHLAL, 24(1), 425-433. SID. https://sid.ir/paper/5969/en

Vancouver: Copy

SAFARIAN DASTJERDI J., SAIDI A.. EFFECTS OF COATING GOLEGOHAR-CHADORMALU PELLET ON ITS BEHAVIOUR IN DIRECT REDUCTION PROCESS. ESTEGHLAL[Internet]. 2005;24(1):425-433. Available from: https://sid.ir/paper/5969/en

IEEE: Copy

J. SAFARIAN DASTJERDI, and A. SAIDI, “EFFECTS OF COATING GOLEGOHAR-CHADORMALU PELLET ON ITS BEHAVIOUR IN DIRECT REDUCTION PROCESS,” ESTEGHLAL, vol. 24, no. 1, pp. 425–433, 2005, [Online]. Available: https://sid.ir/paper/5969/en

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