Results 11 to 20 of about 6,461 (205)

Defect Engineering in Wüstite: Unlocking Control Over Iron Morphologies in Gas-Solid Reduction. [PDF]

open access: yesAdv Sci (Weinh)
In this paper, a direct link between the concentration of defects in wüstite (FexO) and the resultant iron microstructure is established. By integrating the muti‐point nucleation and morphological evolution of iron at defect sites, a multiscale perspective on how defect engineering in FexO modulates the morphologies of iron has been developed ...
Wu Q   +5 more
europepmc   +2 more sources

Kinetics of Smelting Chromia–Bearing Vanadiferous Titanomagnetite Ore via High–Temperature CO2–Containing Gas Injection

open access: yesMetals, 2021
Through thermodynamic smelting experiments, nonisothermal and isothermal kinetics experiments, the effects of CO2–containing gas injection on the smelting of chromia–bearing vanadiferous titanomagnetite ore were investigated.
Hanlin Song   +4 more
doaj   +1 more source

A Kinetic Study on the Reduction of Single Magnetite Particle with Melting Products at High Temperature Based on Visual and Surface Analytical Techniques

open access: yesMetals, 2021
In this study, the reduction characteristics of single magnetite particles with melting products at high temperature were investigated by using visualization and surface analytical techniques. The morphology evolution, product type, reduction degree, and
Zhongjie Shen   +5 more
doaj   +1 more source

Research into limits of gas-fired burners flame stabilization in the flue gas recirculation [PDF]

open access: yes, 2020
Purpose. Determining the flue gas recirculation effect on the verge of the gas-fired burners flame stabilization based on experimental industrial research. Methods.
Holiakova, Iryna   +3 more
core   +1 more source

Experimental Study on Desulfurization and Removal of Alkali Behavior of BF Slag System in Low-Slag Ironmaking

open access: yesMetals, 2023
The increased utilization of pellets in blast furnaces is one of the directions for low-carbon ironmaking. As a result, the low slag rate may affect the desulfurization of the hot metal and the removal of alkali in the blast furnace.
Lei Xu   +5 more
doaj   +1 more source

A Collaborative Optimization Strategy for Energy Reduction in Ironmaking Digital Twin

open access: yesIEEE Access, 2020
The expenses of pig iron manufacturing stay in a relatively high level due to the large consumption of coke and ore. There are a variety of methods to optimize the ironmaking process, including multi-indexes method, production-oriented approach, and cost
Heng Zhou, Chunjie Yang, Youxian Sun
doaj   +1 more source

Development of a Moving-Bed Ironmaking Process for Direct Gaseous Reduction of Iron Ore Concentrate

open access: yesMetals, 2022
A novel horizontal moving-bed ironmaking process has been developed at the University of Utah. This process uses iron concentrate directly without sintering or pelletization and reduces it with hydrogen in the temperature range of 500–1000 °C.
Hong Yong Sohn, Syamantak Roy
doaj   +1 more source

Evaluation of spent pot lining (SPL) as an alternative carbonaceous material in ironmaking processes

open access: yesJournal of Materials Research and Technology, 2019
Integrated ironmaking plants equipped with blast furnaces utilize several types of carbonaceous materials for hot metal production. Among them, coal is used for cokemaking and PCI, being the most expensive raw material for primary iron production. Due to
Ismael Vemdrame Flores   +3 more
doaj   +1 more source

The modern technology of iron and steel production and possible ways of their development [PDF]

open access: yes, 2015
В изменяющейся мировой обстановке на рынке сырых материалов для черной металлургии разрабатывается ряд новых технологий по производству чугуна и стали, альтернативных существующим технологиям, которые способны обеспечить экономически устойчивую работу ...
Freislich, M.   +4 more
core   +2 more sources

Physical modelling of tundish slag entrainment under various technological conditions [PDF]

open access: yes, 2017
This paper deals with the issue of physical modelling of vortexes creation and tundish slag entrainment over the mouth of the nozzle into the individual casting strands. Proper physical model is equivalent to the operational continuous casting machine No.
Gryc, Karel   +7 more
core   +1 more source

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