Influence of addition of carbon on Pelletization of Hematite Ore Fines

Ammasi , A and Pal, J (2018) Influence of addition of carbon on Pelletization of Hematite Ore Fines. In: Asia Steel International Conference 2018, 6-9 Feb., 2018, Mayfair Hotel, Bhubaneswar, India.

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Energy consumption for the production of hematite ore pellet is much greater than that of magnetite ore pellet due to the absence of exothermic heat of reaction and diffusion bonding. To reduce the energy consumption in induration several investigators have mixed varieties of carbonaceous materials in pellet blend to supply in-situ energy. Carbon via Indian coal has been used for this purpose. This coal has hardly any metallurgical use. However, it is found in a large quantity in India. Its use in pellet mix may reduce the energy consumption and induration temperature. Therefore, it is used in Acidic pellets as well as in basic pellets (basicity=0.3). It has been found that the CCS of carbon added pellets decreases with increase in wt % C in the pellet. The reduction degradation index (RDI) has been found to be minimum at 2% of carbon addition.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Hematite ore fines, cold compressive strength, reducibility index, reduction degradation index
Divisions:Metal Extraction and Forming
ID Code:8283
Deposited By:Mr. Ammasi A
Deposited On:28 Jan 2021 13:04
Last Modified:28 Jan 2021 13:04

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