Process for manufacturing aluminum alloy ingot

The invention discloses a process for manufacturing an aluminum alloy ingot, which is characterized by including the steps of a, proportioning raw materials according to the proportion of each element of the product, b, placing proportioned raw materials into a smelting furnace for smelting, c, sampling and assaying, and adding silicon metal according to the results of assay, …

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Use of Slags in the Production of Portland Cement Clinker

The open-hearth slag acts as a correcting ferrous additive, besides hematite and magnetite is rich in calcium ferrite, monticellite, diopside and magnesium oxide in the form of a periclase. Figure 1 shows the structure of dump slags representing the conglomerate of crystalline phases and melting particles.

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Advances in Civil Engineering

Strontium slag, a by-product of the strontium carbonate refining industry, has been produced at million tons per year in China. The use of strontium slag in the roads could reduce …

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CN101838006B

The invention relates to a method for separating strontium carbonate waste slag acid leaching slurry. The method comprises the following steps: (1) crushing and sieving the strontium carbonate waste slag, adding water into the waste slag, and uniformly mixing the mixture; (2) adding hydrochloric acid after the slurry is heated to ensure the pH value is between 1 and 3, …

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CN101913642A

The invention provides a method for preparing strontium nitrate, calcium sulfate dihydrate and industrial salt from barium sulphide waste slag, which comprises the following steps: converting the barium and strontium in the barium sulphide waste slag into barium chloride and strontium chloride by using hydrochloric acid, reacting barium sulfate with the strontium chloride to obtain …

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Use of Slags in the Production of Portland Cement Clinker

In terms of their physical and chemical properties, slags are similar to igneous rocks used in the production of construction materials. Being exposed to high-temperature …

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CN107673389A

The invention belongs to chemical production field, the strontium chloride for disclosing the method for strontium slag production strontium chloride and being prepared with this method, the invention provides a kind of method of strontium slag production strontium chloride and the strontium chloride prepared with this method.A kind of method of strontium slag production …

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Use of silicomanganese slag and ladle electric steelmaking slag …

Use of barium – strontium modifier in manufacturing welding flux based on silicomanganese slag for w... November 2018 · IOP Conference Series Earth and Environmental Science N. A. Kozyrev

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Use of barium-strontium modifier for the manufacturing of …

The possibility of using a barium-strontium modifier as a gasprotective and refining additive for welding the fluxes based on crushed slag from the production of ferrosilicomanganese is presented. The barium-strontium modifier BSK-2 produced by JSC "NPK Metalltekhnoprom" according to TU 1717-001-75073896–2005 was used as a material for the study. The base of …

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Application of barium-strontium carbonatite for production …

The study results of introduction of barium-strontium carbonatite of various fractional composition into flux based on silicomanganese production slag are presented.

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CN102259921A

The invention belongs to the technical field of treatment and comprehensive utilization of three-waste produced from chromium compound production enterprises. The invention especially relates to a method for utilizing chromium slag in combined productions of chromic hydroxide, strontium chloride, and mixed carbonate of calcium, magnesium and aluminum.

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Steel Slag Market to Hit USD 38.28 Billion by 2030 | With …

Pune, India, July 07, 2023 (GLOBE NEWSWIRE) -- The global steel slag market size was valued at USD 25.66 billion in 2022 and is projected to reach a valuation of USD 26.83 billion in 2023 and is ...

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Treatments and Recycling of Metallurgical Slags

Metallurgical slags are considered secondary raw materials and are used or added during the process to improve steelmaking practice. Steelmaking slag added into ladle slags …

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Strontium removal from aquatic solution using electric arc furnace slag

This study investigated strontium removal from aqueous solution using electric arc furnace (EAF) slag. Influence of sorbent dosage (0.5–3 g/L), pH (2.5–9.5), initial concentration of Sr 2+ (50–300 ppm) and temperature (20°C–45°C) was evaluated. Optimal sorbent dosage and initial Sr 2+ concentration were found to be 1.5 g/L and 150 ppm, respectively.

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Source apportionment and health risk assessment of

Download Citation | Source apportionment and health risk assessment of chemicals of concern in soil, water and sediment at a large strontium slag pile area | Strontium (Sr) is an alkaline earth ...

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slag strontium slag

Strontium slag, a by-product of the strontium carbonate refining industry, has been produced at million tons per year in China. The use of strontium slag in the roads could reduce the demand of materials and help solve the environmental problems caused by strontium slag. However, it is necessary to evaluate its …

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MetaFiber LLC

Even more important, landfilling steel slag enables its acute alkalinity to adversely enhances the leachability of the heavy metals contained in steel slag. Steel slag is produced from Basic Oxygen Furnace and Electric Arc Furnace in steel making and the main chemical compositions include CaO, SiO2, Al2O3, Fe2O3, MgO and FeO.

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CN101898778A

The invention provides a method for producing superfine barium sulfate and strontium sulfide by using barium sulfide waste slag. The method comprises the following steps of: converting barium and strontium in the barium sulfide waste slag into barium chloride and strontium chloride by using hydrochloric acid, reacting barium sulfate and strontium chloride to obtain water-insoluble …

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Use of barium – strontium modifier in manufacturing …

The paper discusses the possibility in principle of barium-strontium modifier application as a refining and gas-protective additive for welding fluxes based on silicomanganese sla

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Source apportionment and health risk assessment of chemicals …

Strontium (Sr) is an alkaline earth metal that has adverse effects on bone tissue, but received little attention compared to other often-studied metals. ... The positive matrix factorization model suggested four sources for the COCs in soil, including Sr slag pile/SrCO 3 production, agricultural activities, industrial activities, and natural ...

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MODIFICATION OF STEEL BY BARIUM AND STRONTIUM

The possibility of using a barium-strontium modifier as a gasprotective and refining additive for welding the fluxes based on crushed slag from the production of ferrosilicomanganese is presented.

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Source apportionment and health risk assessment of

Strontium (Sr) is an alkaline earth metal, an analogue of calcium (Ca) and barium (Ba). In nature, Sr is found as minerals of celestite (SrSO 4) and strontianite (SrCO 3).SrCO 3 can also be prepared synthetically from SrSO 4 by direct conversion or black ash method (Zoraga and Kahruman, 2014).SrCO 3 is often applied in various industries, such as ceramics, paint …

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Technical Report UDC 666 . 943 . 2 History and …

utilizing slag, which is a by-product of steel industry, test production of Portland blast furnace slag cement (PBFSC) employing the ad- ... In the Portland cement manufacturing process, limestone—the principal raw material—is burned at 1 450°C. Therefore, as shown in Table 2,1) the process emits about 800 kg of CO 2

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Strontium Chloride Manufacturing Plant Archives

IMARC Group's report titled "Strontium Chloride Manufacturing Plant Project Report 2023: Industry Trends, Plant Setup, Machinery, Raw Materials, Investment Opportunities, Cost and Revenue" provides a comprehensive guide for establishing a strontium chloride manufacturing plant. ... Ground Granulated Blast-Furnace Slag Manufacturing Plant ...

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In-house green hydrogen production for steelmaking …

This paper addresses this gap by presenting a comprehensive life cycle assessment of green hydrogen production integrated within the steel manufacturing process, …

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Performance and Environmental Evaluation of Stabilized …

As shown in Table 2, more CaO and SiO 2 were in the strontium slag when compared to Fe 2 O 3, Al 2 O 3, and MgO. Compared to the local fly ash, strontium slag had …

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Synthetic Slags

Opta is a recognized leader in producing and distributing high-quality, custom-blended synthetic slags for use by the steel industry. Opta's synthetic slags alter the chemistry—and eliminate …

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Method for recovering strontium slag

The invention relates to a method for recovering strontium slag. The method comprises the following main steps: (1) adding hydrochloric acid in the strontium slag under the condition of stirring until the pH value of a reaction system is stabilized between 1 and 2; (2) adding a calcium carbonate source substance in the reaction system obtained in the step (1) until the …

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Utilization of pulverized strontium slag as the admixture …

strontium slag. The main chemical component of strontium slag is CaO, SiO 2 and Al 2O 3. The chemical composition is similar to that of fly ash, blast furnace slag and red mud, which had been used as the Portland cement admixture [3–5]. Recently, the activity of the pulverized strontium slag (PSS) in Portland cement has been confirmed [6 ...

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Use of barium-strontium modifier for the manufacturing of …

Use of barium-strontium modifier for the manufacturing of welding flux based on silicomanganese slag Izvestiya Ferrous Metallurgy 10.17073/0368-0797-6-692

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CN101838006A

The invention relates to a novel method for separating strontium carbonate waste slag acid leaching slurry. The method comprises the following steps: (1) crushing and sieving the strontium carbonate waste slag, adding water into the waste slag, and uniformly mixing the mixture; (2) adding hydrochloric acid after the slurry is heated to ensure the pH value is between 1 and 3, …

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Strontium Titanate (SrTiO3)

Strontium titanate single crystal (SrTiO 3), having a Perovskite structure and a lattice constant close to that of Y-Ba-Cu-O compounds (a=3.89Å), is the most widely used material for superconducting thin film substrates. It occupies an …

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CN101760636A

The invention relates to a method for manufacturing a large vertical strontium-smelting reduction tank, which belongs to the technical field of the vertical strontium-smelting technique. The method comprises the steps of: dividing the reduction tank into a crystallizer (1), a straight barrel (2) and a chassis (3); coiling and welding the external side of the cooling device at the upper part ...

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Source apportionment and health risk assessment of …

Strontium (Sr) is an alkaline earth metal that has adverse effects on bone tissue, but received little attention compared to other often-studied metals. This study analyzed the contents/concentrations of Sr, barium (Ba), sulfate (SO 4 2−), sulfide (S 2−), and six common metals in 209 multi-media samples, including slag, soil, groundwater, surface water, and …

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Utilization of strontium aluminate in steelmaking

Novel utilizations of strontium aluminate, a by-product of the manufacture of strontium, are disclosed in connection with the art of steelmaking. It is useful as a synthetic slag covering for molten iron or steel, as well as in the ing slag practice, as a backfilling material for spaces between the safety lining and the working lining of a ladle, as a major component for a blend …

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Use of barium – strontium modifier in manufacturing …

In the experiments the barium-strontium flux additive was used, prepared in two ways: barium-strontium modifier mixed with liquid glass and the dust of barium-strontium modifier with a...

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Use of barium – strontium modifier in manufacturing …

The paper discusses the possibility in principle of barium-strontium modifier application as a refining and gas-protective additive for welding fluxes based on …

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Blended and Multicomponent Cements Based on Strontium …

Strontium Aluminate Cement Fundamentals, Manufacturing, Hydration... Authored by Petr Ptáček. ... Blast furnace slag (Fig.1(c)) is the most widely used latent hydraulic material [505,506]. ... 1.1. Blends of strontium aluminate and aluminate cement.

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