Making standard grade FeSiMn alloy by blending of different low grade materials.

Jana, R K and Randhawa, N S and Agarwal, Sanjay (2008) Making standard grade FeSiMn alloy by blending of different low grade materials. In: National Metallurgist Day - Annual Technical Meeting (NMD-ATM), 12-15 November 2008, New Delhi.

[img]PDF - Presentation
261Kb

Abstract

NML has developed a process for extraction of Cu, Ni, & Co from sea nodules by reduction roast - ammonia leaching - solvent extraction - electrowinning route on pilot scale. This process generates leach liquor (Cu, Ni & Co) and a fine residue having low Mn/Fe ratio (not suitable for direct silicomanganese smelting). The utilization of huge quantity of leached residue is therefore, a matter of great concern. Development of another process of direct smelting of sea nodules in arc furnace to separate Cu, Ni & Co in alloy is being carried out which generates Mn rich slag with high Mn/Fe ratio. In this endeavor these two low Mn containing materials are blended to have suitable Mn/Fe ratio and smelted in 50 KVA DC arc furnace to produce standard grade FeSiMn alloy.

Item Type:Conference or Workshop Item (Poster)
Official URL/DOI:http://eprint.nmlindia.org/7135
Uncontrolled Keywords:Leached sea nodule residue, smelting, electric arc furnace, silicomanganese, low grade manganese material
Divisions:Metal Extraction and Forming
ID Code:7135
Deposited By:Dr. Navneet Singh Randhawa
Deposited On:21 Nov 2014 14:30
Last Modified:21 Nov 2014 14:30
Related URLs:

Repository Staff Only: item control page