Kinetic Studies on the Reduction of Iron Oxides in Low-Grade Chromite Ore by Coke Fines for Its Beneficiation

2018 ◽  
Vol 43 (11) ◽  
pp. 6143-6154 ◽  
Author(s):  
Prithviraj Gupta ◽  
Amit Kumar Bhandary ◽  
Mahua Ghosh Chaudhuri ◽  
Siddhartha Mukherjee ◽  
Rajib Dey
Keyword(s):  
Iron Oxides ◽  
Kinetic Studies ◽  
Low Grade ◽  
Chromite Ore ◽  
Reduction Of Iron ◽  
Coke Fines

scholarly journals On the Flotation of a Low Grade Chromite Ore

2012 ◽  
Vol 6 (1) ◽  
pp. 19
Author(s):  
Tamam T. A. K ◽  
Ahmed A.S.Seifelnasr
Keyword(s):  
Oleic Acid ◽  
Iron Oxides ◽  
Froth Flotation ◽  
Pulp Density ◽  
Operating Parameters ◽  
Low Grade ◽  
High Grade ◽  
Chromite Ore ◽  
Chromite Concentrate ◽  
Representative Samples

This study is concerned with the processing of low grade chromite ores, Ingassena Hills by froth flotation techniques. For this purpose, representative samples were taken from four different mines. Mineralogical examinations indicated that, the major minerals are chromite and serpentine .Olivine, iron oxides and talc have been identified as minor minerals. Adequate degree of liberation of chromite was obtained by grinding the ore to minus 177µm. Froth flotation was used to upgrade that particular chromite ore. Oleic acid was used as collector. Several operating parameters influencing the floatability of both high grade chromite and serpentine were investigated. These include the concentrations of the collector and depressant, pulp pH and conditioning time. From an ore feed grading 20.27% Cr2O3, a chromite concentrate of 28.71% Cr2O3 with recovery of 94.54 % could be obtained by flotation at collector dosage of 0.300 kg /t , neutral pulp (pH 9) ,conditioning time ,2min ,and pulp density, 20%.

Reduction of iron oxides during the pyrometallurgical processing of red mud

2013 ◽  
Vol 2013 (1) ◽  
pp. 33-37 ◽  
Author(s):  
N. A. Raspopov ◽  
V. P. Korneev ◽  
V. V. Averin ◽  
Yu. A. Lainer ◽  
D. V. Zinoveev ◽  
...  
Keyword(s):  
Iron Oxides ◽  
Red Mud ◽  
Reduction Of Iron ◽  
Pyrometallurgical Processing

An efficient process for the beneficiation of a low grade chromite ore

2010 ◽  
Vol 119 (3) ◽  
pp. 142-146 ◽  
Author(s):  
T. Çiçek ◽  
H. Cengizler ◽  
İ. Cöcen
Keyword(s):  
Low Grade ◽  
Chromite Ore ◽  
Efficient Process

Highly active heterogeneous Fenton-like systems based on Fe0/Fe3O4 composites prepared by controlled reduction of iron oxides

2008 ◽  
Vol 83 (1-2) ◽  
pp. 131-139 ◽  
Author(s):  
Regina C.C. Costa ◽  
Flávia C.C. Moura ◽  
J.D. Ardisson ◽  
J.D. Fabris ◽  
R.M. Lago
Keyword(s):  
Iron Oxides ◽  
Heterogeneous Fenton ◽  
Highly Active ◽  
Reduction Of Iron

Surface structure effects on direct reduction of iron oxides by Shewanella oneidensis

2003 ◽  
Vol 67 (23) ◽  
pp. 4489-4503 ◽  
Author(s):  
Andrew L. Neal ◽  
Kevin M. Rosso ◽  
Gill G. Geesey ◽  
Yuri A. Gorby ◽  
Brenda J. Little
Keyword(s):  
Surface Structure ◽  
Iron Oxides ◽  
Direct Reduction ◽  
Shewanella Oneidensis ◽  
Reduction Of Iron ◽  
Direct Reduction Of Iron

Kinetic studies on the reduction of iron ore nuggets by devolatilization of lean-grade coal

2016 ◽  
Vol 23 (12) ◽  
pp. 1360-1368 ◽  
Author(s):  
Chanchal Biswas ◽  
Prithviraj Gupta ◽  
Arnab De ◽  
Mahua Ghosh Chaudhuri ◽  
Rajib Dey
Keyword(s):  
Iron Ore ◽  
Kinetic Studies ◽  
Reduction Of Iron
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