Results 11 to 20 of about 1,299,970 (252)

A Review on the Kinetics of Iron Ore Reduction by Hydrogen

open access: yesMaterials, 2021
A clean energy revolution is occurring across the world. As iron and steelmaking have a tremendous impact on the amount of CO2 emissions, there is an increasing attraction towards improving the green footprint of iron and steel production. Among reducing
A. Heidari   +3 more
semanticscholar   +1 more source

Prediction of Green Properties of Flux Pellets Based on Improved Generalized Regression Neural Network

open access: yesMetals, 2022
In order to improve the quality of magnesia flux pellets and meet the production needs of the iron and steel industry, a pellet formation experiment was carried out. The effects of alkalinity R, SiO2 mass fraction, MgO mass fraction on the green pellets’
Zhenghan Xu   +4 more
doaj   +1 more source

Improving the sinter productivity with increased specular iron ore in sinter blend [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2022
Specular iron ores are medium grade iron ores suitable for the use in agglomeration process. However, due to their hard texture, undesirable particle size and shape, poor assimilation performance and low reactivity at high temperature, its uses in ...
Kumar S., Jaiswal A., Sah R.
doaj   +1 more source

Influence of Surfactant for Stabilization and Pipeline Transportation of Iron Ore Water Slurry: A Review

open access: yesACS Omega, 2022
Iron ore is generally transported using a traditional method that releases significant amounts of dust into the environment. In contrast, the pipeline transportation of slurry is noticeably a sustainable approach for efficiently transporting iron ore by ...
Mandakini Behari, D. Das, A. Mohanty
semanticscholar   +1 more source

Process mineralogy approach to optimize curing-leaching in vanadium-bearing stone coal processing plants

open access: yesInternational Journal of Mining Science and Technology, 2023
The purpose of this study is to apply process mineralogy as a practical tool to further understand and analyze the reasons for low leaching rates in the curing-leaching process of vanadium-bearing stone coal and to find a solution or improvement to ...
Hui Li   +4 more
doaj   +1 more source

Effect of bastnaesite as reductant on hematite reduction during in-situ suspension magnetization roasting of refractory iron ore under neutral atmosphere

open access: yesInternational Journal of Mining Science and Technology, 2022
The iron tailings of Bayan Obo mines are solid waste, which occupies land area and also causes environmental pollution; however, this waste can be recycled.
Wenbo Li   +4 more
doaj   +1 more source

Iron Ore Tailings: Characterization and Applications

open access: yesJournal of the Brazilian Chemical Society, 2021
Currently, approximately 1.4 billion tons per year of iron ore tailing wastes (IOT) are generated, mainly in Australia, Brazil, and China. This work describes the characterization and application of two typical IOT, i.e., fine and coarse wastes.
Ottávio Carmignano   +5 more
semanticscholar   +1 more source

Improved SVM Model for Predicting Pellet Metallurgical Properties Based on Textural Characteristics

open access: yesMetals, 2022
From the point of view that pellet microstructure determines its metallurgical properties, an improved support vector machine (SVM) model for pellet metallurgical properties forecast is studied based on the mineral phase characteristics, in order to ...
Yang Han   +4 more
doaj   +1 more source

Dynamic Prediction Model of Silicon Content in Molten Iron Based on Comprehensive Characterization of Furnace Temperature

open access: yesMetals, 2022
The silicon content of the molten iron is an important indicator of the furnace temperature trend in blast furnace smelting. In view of the multi-scale, non-linear, large time lag and strong coupling characteristics of the blast furnace smelting process,
Zeqian Cui   +3 more
doaj   +1 more source

The Direct Reduction of Iron Ore with Hydrogen

open access: yesSustainability, 2021
The steel industry represents about 7% of the world’s anthropogenic CO2 emissions due to the high use of fossil fuels. The CO2-lean direct reduction of iron ore with hydrogen is considered to offer a high potential to reduce CO2 emissions, and this ...
Shuo Li   +5 more
semanticscholar   +1 more source

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