Producing Portland cement from iron and steel slags and ...
· The slags from blast furnace (iron making ) and converter (steel making) after magnetic separation are mixed with limestone of six different compositions. The ground materials are fired in a pilot plant scale rotary kiln to 1350 °C for 1 h. The clinker is cooled, crushed, mixed with 3% gypsum, and ground to fineness of more than 3300 cm 2 /g.
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Benefits of using steel slag in cement clinker production ...
· Steel slag, the most discharged metallurgical slag in China, is rarely applied in the production of clinkers. The aim of this study is to analyze the maximum substitution amount of steel slag in raw meal and calculate the resources required as well as the environmental and economic benefits of the addition.
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(PDF) Development of converter operation technology …
Development of converter operation technology using ironbearing concentrates and clinker-steel cakes September 2016 IOP Conference Series Materials Science and Engineering 150(1):012009
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Utilization of steel slag for Portland cement clinker ...
Abstract. The aim of the present research work is to investigate the possibility of adding steel slag, a by-product of the conversion of iron to steel process, in the raw meal for the production of Portland cement clinker. Two samples of raw meals were prepared, one with ordinary raw materials, as a reference sample ( (PC) Ref ), and another ...
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Utilization of Ladle Furnace slag from a steelwork for ...
· Similarly, Tsakiridis et al. studied the use of steel slag as 10.5% of the raw meal in Portland cement clinker production. Although Tsakiridis et al. do not indicate whether the steel slag in their work originates from an electric arc furnace, the composition of the raw material reported in their work suggests that the slag comes from primary ...
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Converter Slag Of Steel In Clinker Production
Sun Converter Slag Of Steel In Clinker Production. Producing portland cement from iron and steel slags and limestone the clinker is cooled crushed almost the same amount of converter slag production of about 600000 tons per year and more than 10 million tons in stock exists in the mill and is increased daily. Free Quotation
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Slag processing for the metallurgical industry
Slag is a necessary by-product of metallurgical processes and can be used in a wide range of industries. Ferro Duo has specialized for years in processing by-products, for example from the steel and metallurgical industry, with added value. Slags can be used in a variety of ways: in road construction, ground as an additive for various types of ...
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Production of steel in a basic converter employing liquid ...
A method is provided for production of steel in a basic converter employing liquid converter slag obtained as a final slag in the previous run
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Utilization of steel slag for Portland cement …
mainly of steel slag, blast furnace slag and Portland cement, has. been commercially marketed in China for more than 20 years. and uses …
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Utilization of Blast Furnace Slag, Steel Slag in the ...
High-quality cement clinker with compressive strength of 60.4MPa was produced by utilizing limestone, blast furnace slag, steel slag and fly ash as raw materials after curing 28 …
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Development of converter operation technology using ...
Technological process of steel production in converters using clinker-steel cakes and iron-bearing concentrates of "EVRAZ ZSMK" JSC slag processing unit ensuring liquid-phase reduction of iron from oxides is designed. Developed technology allows implementation of iron-containing materials recycling, reduces consumption of scrap, increases liquid metal yield, improves environmental …
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Benefits of using steel slag in cement clinker production ...
· @article{Gao2020BenefitsOU, title={Benefits of using steel slag in cement clinker production for environmental conservation and economic revenue generation}, author={Tianming Gao and Tao Dai and Lei Shen and Li Jiang}, journal={Journal of Cleaner Production}, year={2020}, pages={124538} } Tianming Gao, T. Dai, +1 author Li Jiang
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The carbon cost of Slag production in the blast furnace
· 16/4/2015 4th Slag valorization symposium Leuven 7 Low CO2 values for GBFS should lead to an obligation to use GBFS over clinker for the cement user but also to a decrease of production for the steel maker since the steel footprint is too high => …
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Hydration Mechanism of Sustainable Clinker-Free Steel …
· More than 600 million tons of slag are generated globally every year, leading to multiple environmental issues. Thus, research on applications of slags is crucial. The use of steel slag in cement is limited by its low hydraulic activity and volumetric instability. In the current study, we present a clinker-free steel slag binder (SSB) and discuss the coupled alkali–sulfate …
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Implications of the use of steel slag to clinker ...
Implications of the use of steel slag to clinker manufacture: Laboratory test results January 2010 Revista Romana de materiale = Romanian journal of materials = RRM 40(4):306-314
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Applications of steel slag in civil engineering | Request PDF
Steel slag applications in clinker production, as an aggregate in concrete and mortar, as constituent material in all pavement layers (unbound, …
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The mineralogy of air granulated converter slag ...
· 1 INTRODUCTION. Converter slag is produced during the conversion of pig iron into steel in a basic oxygen furnace. For this reason, it is also called BOF-Slag or LD-slag after the Linz-Donawitz process. 1, 2 On average 126 kg converter slag is produced per ton of steel, 3 with worldwide steel production of 1.8 Mt in 2019. 4 The oxide composition is variable, but …
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X-ray diffraction of steel slag used. | Download ...
Download scientific diagram | X-ray diffraction of steel slag used. from publication: Utilization of steel slag for Portland cement clinker production | The aim of the present research work is to ...
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Research on mineral characteristics of converter steel ...
· Converter steel slag is a vast amount of solid waste generated in the steelmaking process that has very low utilization rate in China and is usually deposited as waste. This paper investigates the physical and chemical characteristics of converter steel slag, as well as its comprehensive utilization of internal and external recycle.
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Research on Enrichment of MFe and RO Phase from …
Abstract. A new approach to enrich MFe and RO phase from the converter slag by super gravity was investigated. The samples obtained by the gravity coefficient G=600 and cooling rate V=5K/min from 1623K to 1373K appeared significant stratification and the MFe gathered at the bottom of sample.
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Utilization of steel slag for Portland cement clinker …
Utilization of steel slag for Portland cement clinker production. The aim of the present research work is to investigate the possibility of adding steel slag, a by-product of the conversion of iron to steel process, in the raw meal for the production of Portland cement clinker. Two samples of raw meals were prepared, one with ordinary raw ...
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Microstructure of Portland cement clinker with …
The aim of the present research work is to investigate the possibility of adding steel slag, a by-product of the conversion of iron to steel process, in the raw meal for the production of Portland ...
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Use of steel slags in the cement industry - ZKG
Use of steel slags in the cement industry. Reply to Yüksel, I., Özkan, Ö.:Physical and mechanical properties of composite cements. ZKG INTERNATIONAL 12/2009, pp. 54. The article by Yüksel and Özkan postulates rates of replacement of clinker with granulated blast furnace slag (GBFS) and steel slag (specifically: LD slag) of 60 to 80 %.
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Utilization of converter steel slag by remelting and ...
Utilization of converter steel slag by remelting and reducing treatment. Jiao Ma 1, Yibo Zhang 1, Tianqi Hu 1 and Shushan Sun 1. Published 1 July 2018 • Published under licence by IOP Publishing Ltd IOP Conference Series: Materials Science and Engineering, Volume 382, Issue 2
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BOF Steel Slag: Critical Assessment and Integrated ...
· During steel production, the impurities in the hot metal react with the fluxes forming the steel slag. Chemical constituents of this steel slag (SS) are relevant to iron/steelmaking or blended cement manufacture. Harmful impurities present in it, however, limit its recycling to these applications. Japan, Europe, and the US consume a significant amount of their SS, but more …
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Role of Slag in Converter Steelmaking - IspatGuru
· If the slag to steel mass ratio at the end of a converter blow varies within 0.08 to 0.1, the slag to steel volume ratio rises from almost zero in the beginning of the blow to 0.20/0.25 towards the end of the blow. In general, …
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USE OF FLYASH AND SLAGS AS CORRECTIVE MATERIALS …
· The steel slag can also be utilised as blending Component for manufacture of blended cement (3,4,) . Studies carried out indicate that steel slag to the tune of around 30 40 – % along with B.F slag and cement clinker coground with gypsum produce a blended - cement which comfortably complies with existing specification for Portland Slag Cement.
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Utilization of steel slag for Portland cement clinker ...
· The steel slag was mixed with other raw materials, such as limestone, clay, sand, and bauxite, in appropriate proportions in order to produce the raw meal to be tested for the production of Portland cement clinker ((PC) S/S).A reference raw meal ((PC) Ref), without steel slag, was also synthesized for reasons of comparison.The chemical analyses of the raw materials used …
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