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Production of high-grade antimony oxide from smelter slag via …

The slag was provided by Anadolu Antimon Factory, located in Adana, Türkiye. The slag is the by-products of Sb 2 O 3 production process from a Sb-bearing ore via the pyrometallurgical process. Approximately 3 tons of slag were collected from various pre-identified locations within the stockpile with the aid of an excavator (Figure S1). These ...

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Utilisation perspective on water quenched and air-cooled blast …

The present research provides an understanding of the two different types of slags of water quenched granulated slag and air-cooled slag that are generated from iron making …

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Development of Manufacturing Process for Blast Furnace …

ype continuous slag solidification (PACSSTM) process to reduce water absorption ratio of BFG und. r 1%. In this process, molten slag is poured into mold, and the slag. s in the slag is …

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How Cement is Made

While each cement plant may differ in layout, equipment, and appearance, the general process of manufacturing portland cement is the same: crushed limestone and sand are mixed with ground clay, shale, iron ore, fly ash and alternative raw materials.

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Steel slag sand production process and system

The invention relates to a steel slag sand production process, which comprises the following steps: s1, crushing and screening steel slag: crushing and sieving the steel slag raw slag, sieving the steel slag raw slag; s2, removing iron; s3, spraying, and adding water accounting for 8-12% of the mass of the raw materials; s4, digesting at high temperature and high pressure, wherein …

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A pilot-process for calcium hydroxide production from iron slag by …

The production of Ca(OH) 2 via thermal decomposition of limestone is an energy intensive process resulting in significant CO 2 emissions. However, if produced in a manner that obviates the need for the thermal decomposition of limestone, Ca(OH) 2 could be a "CO 2-negative" material.Herein, we design and demonstrate the operation of a continuous, low …

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Vanadium extraction from steel slag: Generation, recycling and

The increasing demand for vanadium worldwide has led to the need to guarantee sustainable vanadium production. The smelting process of vanadium and titanium magnetite produces vanadium ... In addition, the heavy metals contained in steel slag could also penetrate into the water and soil environment (Gao et al., 2023). The continuous development ...

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Utilisation perspective on water quenched and air-cooled blast …

The process of production of slag by these two methods are shown in Fig. 2. GBF slag is a non-crystalline granular material that varies from the source to source depending on the quality of the raw material smelted as well as the method of production. ... (at a ratio of 10:1 of water and molten slag) on to the molten slag to facilitate ...

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Enhancement of apatite-phosphorus-rich biochar production from …

Carbide slag, a solid waste produced during the acetylene production process using the calcium carbide method, has recently gained significant attention regarding its disposal strategies (Sun et al., 2024).The main component of carbide slag is Ca(OH) 2, a common industrial waste that can be directly used as a calcium-based additive for co-pyrolysis with …

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A review of use of metallurgical slag for its carbonation products

With the global annual production of steel slag projected to exceed 300 million tons in 2023, the challenge of effectively utilizing this resource is significant. ... In the direct wet carbonation process, water acts as the reaction medium, making it easier for CO 2 to react with Ca 2+ /Mg 2+ dissolved from solid waste. However, ...

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Granulation and Heat Recovery from Metallurgical Slags

For the world production of slag at 760 Mt, this amounts to 43 million tonnes of CO 2, equivalent to removing nearly 24 million vehicles from the roads of Europe, or is valued at ~ $650 million with a carbon tax of $15/t. ... slag, and process cooling water. However, the recovery of energy from slag has been developed the least due to several ...

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Basics of slag production

In the simplest versions the molten slag stream is poured into a powerful jet of water to give granulated slag but there are other variants such as pelletising, where the slag is …

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Recent research progress on recycling metallurgical waste slag …

During the steel production process, various treatment procedures are implemented within each system to minimize the presence of detrimental elements such as phosphorus (P) and sulfur (S) in the metal, thereby ensuring the high quality of steel products [15], [16], [17]. Nevertheless, it is noteworthy that P in steel slag constitutes a ...

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Recycling of iron and steel slag for carbon reduction and low

1 INTRODUCTION. Blast furnace slag (BFS) and steel slag (SS), as industrial solid wastes produced in the process of steel-making, account for 80%–90% of the total smelting slag. [] BFS accounts for about 30% of pig iron output, [] while SS accounts for 10%–15% of the crude steel output. [] SS comprises various slags, including basic oxygen furnace slag (BOFS) (or …

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Utilization of steel slag in air pollution and greenhouse gas …

Steel slag is a by-product of the steel production process. It can be reused to make environmentally friendly materials for air pollution control. This may result in significant economic and social benefits. ... The carbonation of slag was found to have a significant promoting effect on the release of vanadium from slag to water. In contrast ...

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Novel Process for Titanium Dioxide Production from Titanium Slag…

Titanium dioxide (TiO2) has been widely used as pigment in paints, fillers for plastic and paper, coatings, adsorbents, cosmetics, catalysts, and gas sensors. A novel process for TiO2 production has been developed by the Institute of Process Engineering. This work develops the novel process by using the NaOH/KOH binary molten salt (50 mol % NaOH, 50 mol % KOH) …

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Microbial-induced mineral carbonation: A promising approach for

Fig. 1 shows steel slag production data from various countries ... Fig. 5 illustrates the process flow diagram of the two-step leaching indirect carbonation process. Steel slag is first mixed with deionized water and leaching agent to leach metal ions, after filtration, the filtrate is passed into CO₂ for carbonation reaction, and then ...

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Research on the Properties of Steel Slag with Different …

The production process of hot smothering slags is to introduce high-temperature liquid steel slags into a special hot slag pond, cool them with water spray, cover the slag pond to maintain pressure, and use the thermal stress generated by the rapid cooling of steel slags and saturated high-temperature steam to penetrate steel slags.

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The Science Behind Slag And Structural Integrity

Reduced Carbon Footprint: Replacing cement with slag lowers CO2 emissions during production, contributing to greener construction practices. Applications of Slag Concrete. Slag concrete is widely used in projects …

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Application of Steel Slag in Road Semi-Rigid Subgrade and

Steel slag is a by-product of the steel production process, with its chemical composition and physical properties closely related to the steelmaking methods and raw materials used. ... along with secondary minerals formed from the reaction between steel slag and water, being more sensitive to temperature fluctuations than crushed stone. 61,69 ...

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Recovery of Zinc and Copper from Lead Slag by the Combined Process …

It can be estimated that global lead slag production in 2023 will reach 87.614 million tons, resulting in a significant accumulation of smelting slag. ... and the roasting temperature in the direct reduction process of the water-quenched lead slag is between 1050°C and 1250°C, the zinc in the water-quenched lead slag has been reduced to ...

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Utilisation perspective on water quenched and air-cooled blast …

The higher content of amorphous phase in the case of GBFS is a result of its fast cooling during the granulation process of the molten slag, performed using a sprinkling of water over the molten ...

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Life cycle assessment on the vanadium production process: A …

Sodium roasting production process accounts for over 90% of the V 2 O 5 production process from vanadium slag and is the mainstream vanadium production process used by ... sodium salts were added to the process. The vanadium in the vanadium slag is converted to water-soluble V 2 O 5 after oxidative roasting. The product obtained roasted was ...

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How to Process Slags (with detailed process)? | Fote …

The producing process of slag and gravel concrete is similar to ordinary concrete, but water consumption is slightly higher. The added water is generally measured by the weight of slag, accounting for about 1% or 2% of …

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Application of Steel Slag as an Aggregate in Concrete Production…

Typical morphology of steel slag [].(a) BOF steel slag.(b) EAF steel slag.(c) LF steel slag.BOF steel slag is the solid waste produced in the converter steelmaking process, and its discharge is approximately 100–150 kg per ton of BOF steel [20,21,22,23].BOF steel slag commonly has a grayish-white appearance and a vesicular nature, with many non-interconnected pores [].

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Research Progress on Controlled Low-Strength Materials: …

The red mud in their work was produced by extracting alumina from the slag generated by a nickel-iron production process. The inorganic polymer materials prepared by this geopolymerization reaction formed an amorphous aluminosilicate gel phase and were well-combined with undissolved solid raw material particles. ... Slag water-quenching ...

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The steel production transformation process in Europe: New slag …

The main challenge of the steel industry for the next decade is the steel production transformation process, starting in Europe. The CO 2 intensive blast furnace/basic oxygen furnace (BOF) route will be substituted by a combination of Direct Reduced Iron (DRI), based on natural gas, later on "green" hydrogen, with an Electric Arc Furnace (EAF) or a Submerged Arc Furnace (SAF), …

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Production, characterisation, utilisation, and beneficial soil

At the end of the process, BFS can either be rapidly cooled with large volumes of water under high pressure to form water-quenched slag or through slow cooling in air to form air-cooled slag. Different cooling conditions i.e. water quenched or air cooled will form different physicochemical characteristics of the BFS (Tripathy et al., 2020).

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Today we are going to share how to process and reuse water slag. Water slag refers to iron-making blast furnace slag. In the molten state at high temperature, it becomes a granulated after rapid cooling with water, milky white, light, …

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A critical review of the material characteristics, utilizations

Ferrochrome slag is a common industrial solid waste produced during the smelting of chromite in submerged arc furnaces [8].In the current production process, for every 1 ton of ferrochrome alloy manufactured, approximately 2.5 tons to 2.6 tons of chromite are consumed, resulting in the production of 1 ton to 1.2 tons of ferrochrome slag [9], [10]. ...

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