Jana, R K and Randhawa, N S (2009) Production of Silicomanganese Alloy from Low Manganese Containing Leached Sea Nodules Residue. In: The Eighth (2009) ISOPE Ocean Mining Symposium, September 20-24, 2009, Chennai, India.
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Abstract
Leached sea nodules residue was used for the present study for exploring its utilization. The residue generated in ammoniacal-SO2 pressure leaching was water washed to reduce the sulphur content. To improve the Mn/Fe ratio in the residue, it was blended with Fe-Mn slag or Mn ore in the calculated amount and smelting was carried out in 50 kVA submerged arc furnace. Various parameters such as holding time, amount of reductant, power input etc. were investigated. The maximum recovery of Mn from residue blended with Fe-Mn slag and Mn ore was 58% and 65% respectively in the form of silicomanganese.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Official URL/DOI: | http://eprints.nmlindia.org/6151 |
| Uncontrolled Keywords: | Sea nodules; Sea nodule leach residue; Characterisation; Blending with Mn containing materials; Smelting; Silicomanganese; Submerged arc furnace |
| Divisions: | Metal Extraction and Forming |
| ID Code: | 6151 |
| Deposited By: | Dr. Navneet Singh Randhawa |
| Deposited On: | 23 Oct 2012 11:35 |
| Last Modified: | 23 Oct 2012 11:35 |
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