Reduction of Solid Fuel Consumption in Sintering of Indian Iron Ore

Bhagat, R P (2015) Reduction of Solid Fuel Consumption in Sintering of Indian Iron Ore. Science of Sintering, 47(2) (IF-0.58). pp. 205-213.

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The present investigation deals with the sinterability of Goa (India) iron ore having high Fe (65.2%) content. The sinter basicity (CaO/SiO2) and its MgO were varied in the 2.0 to 2.5 and 1.5 to 3.0 range. The effect of process variables on the quality parameters of sinter namely, tumbler index (TI), reduction-degradation index (RDI) and reducibility index (RI) as well as the productivity of sinter was studied. The studies have shown that the consumption of coke (C: 74%) was inter-influenced by the sinter basicity and its MgO content. Increasing the solid fuel consumption was not a viable solution to improve TI and RI simultaneously. The content of coke in the mix could be reduced to as low as 4% through 'low temperature sintering' at the balanced return fines recirculation (similar to 33 wt. percent). The sintering indices in terms of productivity of sinter and its quality improve quite significantly at a higher sinter basicity (CaO/SiO2 similar to 2.5) and its lower MgO content (1.5%).

Item Type:Article
Official URL/DOI:
Uncontrolled Keywords:Reducibility; Reduction-degradation index; Speed of sintering; Yield of sinter; Tumbler index; Sinter basicity
Divisions:Mineral Processing
ID Code:7326
Deposited By:Sahu A K
Deposited On:07 Oct 2015 16:29
Last Modified:07 Oct 2015 16:29
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