With high-grade iron ore demand increasing, the availability and cost of low-grade iron ore reveals an immense potential to reduce emissions and maintain production.
The green steel revolution is progressively shifting crude steel production from BF-BOF technology to scrap-DRI electric arc steelmaking, promising a considerable reduction in the greenhouse gas emission footprint from 1600 to 2200kg CO₂/ton of crude steel to less than 900kg CO₂/ton.
Despite the fact that the price of scrap is usually higher than that of hot metal, environmental regulations are forcing ironmakers to decrease hot metal production as a key source of CO₂ emissions.
The production of iron pellets results in the emissions of NOx. This paper describes the application of Selective Non-Catalytic Reduction (SNCR) technology, a urea reagent, to achieve a >45% efficiency of Nox removal, for a plant in South America.
By replacing steam ejectors with mechanical vacuum pumps, steel plants can release steam production that can be more effectively used for hydrogen. This will support the move to zero carbon steelmaking.
Direct reduction based on natural gas or hydrogen offers considerable emission reduction potential, as compared with prevailing ironmaking processes based on coal.
As an international supplier of specialist conveying solutions for metallurgical processes in the iron and non-iron industries, AUMUND Fördertechnik GmbH is an established project partner when it comes to handling hot, abrasive and chemically reactive bulk materials.
The Digimelter® represents a technological breakthrough in electric steelmaking, with lower power and electrode consumption thanks to the Q-One power feeder.
Since the startup of Danieli Converter Technology in 2011, several BOF revamping projects have been realized and converters have been successfully brought into operation.
Success in the wire rod market can only be achieved by combining high plant productivity, efficiency and fexibility, with superior quality finished products.