Sintering is the most economic and widely used agglomeration process for preparing iron ore fines for blast furnace use. The product of the sintering process is conveyed and …

 — Iron ore sintering dust, a solid waste produced during steel manufacturing, contains high levels of lead and iron compounds, particularly anglesite and hematite. Traditional sulfidation flotation methods struggle to effectively separate these fine-grained minerals. This study introduces a selective aggregate flotation method that enhances ...

 — Iron ore sinter plants are energy-intensive components of integrated iron and steel production (see Table 1), where the iron ore fines (<5 mm) are converted into larger (>5 mm) lump sinter cakes with greater gas permeability, which are the most important burden materials for iron making in blast furnaces (BFs) [7].The main process is shown …

Sintering is the most widely used agglomeration process for preparing iron ore fines for blast furnace applications. We are using our expertise in iron ore sintering and evaluation of blast furnace burdens to assist industry to maximise the value of their resources, optimise product quality and reduce their environmental footprint.

 — Sintering is an agglomeration process that fuses iron ore fines, fluxes, recycled products, slag-forming elements and coke. The purpose of sintering is to obtain a product with suitable composition, quality and granulometry to be used as burden material in the blast furnace.

 — The iron oxide (FeO) content had a significant impact on both the metallurgical properties of sintered ores and the economic indicators of the sintering process. Precisely predicting FeO content possessed substantial potential for enhancing the quality of sintered ore and optimizing the sintering process. A multi-model integrated …

 — Iron ore sintering is the iron ore powder agglomeration process that changes fine iron ore powder into the lumpy iron-bearing raw material used for blast furnace ironmaking. High-temperature process and addition of alkaline flux will improve metallurgical performance of iron-bearing raw material. Besides, the sintering process will consume …

 — Iron ore sintering entails high energy consumption and also produces significant pollution, responsible for the highest share of CO 2 emission, as well as SO 2 and NOx emissions, in the iron and steel production processes. 5 The SO 2 and NO X emissions from this process account for ∼70% and ∼40% of the total iron and steel …

 — In this case, the iron ore sintering process serves as the first step in the ironmaking process and provides the main raw material for the blast furnace. The sintering process consists of the following three phases (Er et al., 2000). First, the raw materials including iron ore, coke, coal, quick lime, returned sinter, and other additives are ...

 — Sintering is an agglomeration process that fuses iron ore fines, fluxes, recycled products, slag-forming elements and coke. The purpose of sintering is to obtain …

 — Iron ore sintering is a complicated thermo-chemical process which involves a vast amount of chemical reactions and physical changes. Feed materials which contain ores, coke, flux, gangue, returned mines, and etc. are granulated and charged into the sintering machine. Sintering commences at the top of the bed and progresses downward …

 — Sintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. In this chapter, the sintering process is first …

 — The experimental procedure is a traditional iron ore sintering process, which is shown with a schematic diagram in Fig. 1. In this study, all of the experiments were carried out in a pilot-scale test with a 170 mm diameter sintering pot.

 — In the present work, oxidation and sintering mechanisms in iron ore green pellets under non-sintering and sintering conditions were studied. The intent was to get more information about the sensitivity of the formation of duplex structures for variations in raw material fineness and in green pellet porosity. 2. Materials and methods2.1.

 — The present research aims to reveal the relationship between surface ignition and iron ore sintering performance and to elucidate the deep mechanism. The main findings were summarized as follows: (1) Optimizing the ignition parameters effectively improved the quality of the surface sinter, and the recommended ignition parameters included ...

 — Optimization of iron ore sintering process is to maximize the productivity and the sinter ore quality while minimizing the energy consumption. However, these economic and technical criteria are sometimes contradictory and the improvement of one criterion generally leads to the deterioration of other criteria. This paper aims to seek the optimal …

 — The present work proposes a novel process to sinter porous iron ore (porosity ~23–24%) with enhanced productivity and quality. The iron ore is pre-processed in the presence of calcined lime for the temporary closure of pores, which further prevents water absorption during the granulation process in drum in the presence of water. The …

 — Iron ore sintering is the iron ore powder agglomeration process that changes fine iron ore powder into the lumpy iron-bearing raw material used for blast furnace …

 — In iron making process, sintering of iron ore fines is an integral step to utilize not only the ore fines but also to introduce a part of flux (limestone and dolomite) along …

 — In the iron ore sintering process, it is desirable to maximize the productivity and quality of sinter while minimizing the fuel consumption for any given raw material (iron ore, flux and solid fuel) quality. However, given the complexity of the sintering process and the large number of manipulated variables, it is not practical for operators to identify …

 — In the iron ore sintering field, the yield, productivity and tumbler index (TI) is commonly used to characterize the sinter quality [19]. The yield (%) is the proportion of the mass of the sinter with a size greater than 5 mm after crushing and screening minus 1 kg ore at the bottom of the hearth layer to the total mass of the sinter.

 — According to the U.S. Environmental Protection Agency, the sintering process converts fine-sized raw materials, including iron ore, coke breeze, limestone, mill scale, and flue dust, into an agglomerated …

 — With iron ore sintering, iron fines are utilizable for pig iron production. The sintering process is influenced extensively by the properties of the input material and process conditions. The operating setting essentially influences the properties of the sintered product [1].

 — He, H. et al. Emission characteristics of dioxins during iron ore Co-sintering with municipal solid waste incinerator fly ash in a sintering pot. Chemosphere 287 (Pt 1), 131884 (2022).

 — However, iron ore sintering has a low removal rate of harmful elements. Lanzerstorfer (Lanzerstorfer et al., 2015) indicated that Zn contained in the iron ore was hardly reduced through sintering, and the zinc in the dust was discharged with the off-gas to an extent of about 25% pot test. Theoretical analysis and experiments showed that all …

 — Like other sintering processes, iron ore sintering converts iron ore fines of often − 8 mm sizing into larger agglomerates, namely, sinter, between 5 and 50 mm particle size, which possess the physical and metallurgical characteristics and gas permeability required for efficient blast furnace operation.As shown in Figure 14.1, iron ore sintering …

Automated optical image analysis of natural and sintered iron ore. E. Donskoi, ... J.R. Manuel, in Iron Ore, 2015 4.2.2 Sinter. Low-temperature (< 1300 °C) iron ore sinter is an agglomerate of unmelted and partially melted nuclei particles (+ 1 mm) and a matrix bonding phase produced from the melting of fine ore (− 1 mm) and flux particles, with …

 — An iron ore sintering process is the first procedure of steel-making industry. It produces sinter for feeding into the blast furnace (BF). Empirical experiences show that a 1% decrease of iron grade (TFe) in produced sinter turns into a 2% increase of BF fuel ratio and a 3% decrease of BF output (Wang, 2011).So, the TFe is an important quality index …

Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slag-forming agents, and solid fuel (coke). The purpose of the sintering process is manufacturing a product with the suitable characteristics (thermal, mechanical, physical and chemical) to be fed to the blast furnace.

 — The iron ore sintering, as an essential raw material treatment process of blast furnace, mainly uses coke or anthracite as a heat source and emit a large amount of greenhouse gas (Annual Conference on Sintering & Pelletizing Technology, 2022), which is not consistent with the current environmental protection requirements.