Material Sciences, Earth, Atmosphere & Environment Sciences


A Process for Production of Low Sulphur Directly Reduced Iron from Waste Iron Ore Slime Including Rejected Coal Containing More than 50% Ash


Material Sciences, Earth, Atmosphere & Environment Sciences

Focus Area:

Waste Iron Utilisation

Social Benefits:

The process utilises ~100% waste materials to yield a value added product, This invention is useful for converting steel plant wastes fines / mining waste fines such as iron ore slime/fines, middling and rejected coal containing more than 25 % ash into a highly metallised (Metallisation 96%) low Sulphur (0.006%S) DRI suitable for induction furnace, electric arc furnace and blast furnace for iron and steel making.

Developing Agency:

CSIR-National Metallurgical Laboratory (NML), Jharkhand

Technology Readiness Index:

Technology Development

Website Link :
Source (more info) :

Brief Description

Description :

Developed product can be used as feed/substitute of scrap material for the electric furnace, BOF furnace and induction furnace for steel making.

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