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Treatment of Molten Steel Slag for Cement Application ...

Steel slag can be an alternative in cement mineral admixture, partially as a substitute for blast furnace slag. A pyrometallugical process has been investigated to promote the chemical composition modification of molten steelmaking slag in a metallurgical reactor.

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Metallurgical slag as a component in blended cement ...

2002-12-1  Other types of metallurgical slag are used as construction materials. Cement–metallurgical slag blended cements give compressive strengths in the range of 15–30 MPa. However, notwithstanding all the efforts mentioned above there is a big gap between the generation and use of metallurgical slags produced by various industries.

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Process for producing cement from metallurgical slag ...

In a process for the preparation of cement from metallurgical slags, in which liquid slags from reduction processes and steelworks processes, e.g. blast furnace and converter slag, are mixed together and mixed with lime the procedure is such that in a first cooling phase at temperatures above 1000° C., and preferably above 1200° C., the cooling is slower than in a subsequent second cooling ...

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Recycling physically sorted steelworks slag for the ...

2017-1-29  Recycling physically sorted steelworks slag for the metallurgical and cement indus-tries: conclusions of the ORLA research project. EUROMAT 2011 - European Congress and Exhibition on Advanced Materials and Processes, Sep 2011, Montpellier, France. C52 (Funda-mentals, concepts and implementation of sustainable high temperature metallurgical process,

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(PDF) Recycling physically sorted steelworks slag for the ...

Recycling physically sorted steelworks slag for the metallurgical and cement industries: conclusions of the ORLA research project BRGM : F. Bodénan, N. Menad, M. Save, M. Gamet P. Piantone

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Modification of Basic Oxygen Furnace Slag for Cement ...

2017-6-19  This work deals with the modification of one basic oxygen furnace (BOF) slag with the objective of making it an appropriate additive in blended cement formulations. Two different modified slags were produced in a pilot-scale metallurgical reactor by

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Treatment Of Molten Steel Slag for Cement Application ...

2016-2-2  Steel slag can be an alternative in cement mineral admixture, partially as a substitute for blast furnace slag. A pyrometallugical process has been investigated to promote the chemical composition modification of molten steelmaking slag in a metallurgical reactor.

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Adsorption capacity of modified metallurgical slag

2012-11-12  cement, concrete, railroad ballast, roof coverings, mineral wool, Limestone, etc.); 2) extraction of useful ... efficiency of such treatment processes. The BFS chemical composition and structure play a key role ... Adsorption capacity of modified metallurgical slag The formation of melilites in Kremikovtsi BFS is limited by its low Al 2 O

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Characteristics of steel slags and their use in cement and ...

2018-9-1  According to Han et al. (2015), the hydration process of BOF slag can be divided into five stages, which is similar to that of pure cement. In the initial hydration period (0–1 h) of blended cement with BOF slag, the hydration heat evolution rate and cumulative hydration heat increased with an increase of slag substitution ratio (Fig. 3a and c).

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Metallurgical slag as a component in blended cement_百度文库

2012-2-18  Other types of metallurgical slag are used as construction materials. Cement–metallurgical slag blended cements give compressive strengths in the range of 15–30 MPa w6x. However, notwithstanding all the efforts mentioned above there is a big gap between the generation and use of metallurgical slags produced by various industries.

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Metallurgical slag as a component in blended cement ...

2002-12-1  Recovery of Nb, Mn and P from slag is reported by some researchers. In the process, it was found that P slag can be used directly as a fertilizer. Other types of metallurgical slag are used as construction materials. Cement–metallurgical slag blended cements give compressive strengths in the range of 15–30 MPa [6].

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Treatment Of Molten Steel Slag for Cement Application ...

2016-2-2  Steel slag can be an alternative in cement mineral admixture, partially as a substitute for blast furnace slag. A pyrometallugical process has been investigated to promote the chemical composition modification of molten steelmaking slag in a metallurgical reactor.

Get Price

Adsorption capacity of modified metallurgical slag

2012-11-12  cement, concrete, railroad ballast, roof coverings, mineral wool, Limestone, etc.); 2) extraction of useful ... efficiency of such treatment processes. The BFS chemical composition and structure play a key role ... Adsorption capacity of modified metallurgical slag The formation of melilites in Kremikovtsi BFS is limited by its low Al 2 O

Get Price

Recycling physically sorted steelworks slag for the ...

Recycling physically sorted steelworks slag for the metallurgical and cement industries: conclusions of the ORLA research project. EUROMAT 2011 - European Congress and Exhibition on Advanced Materials and Processes, Sep 2011, Montpellier, France. C52 (Fundamentals, concepts and implementation of sustainable high temperature metallurgical process.

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Recycling and environmental issues of metallurgical slags ...

2004-1-18  furnace (EAF) for steel making and secondary metallurgical process (SMP) for refining. Correspondingly, slags can be classified as three major types: BF slag, BOF slag and SMP slag. The BF slag accounts for about twice the amount of BOF slag, and the SMP slag is relatively less significant in terms of utilization due to the lower generated amount.

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Metallurgical slag as a component in blended cement_百度

2012-2-18  Other types of metallurgical slag are used as construction materials. Cement–metallurgical slag blended cements give compressive strengths in the range of 15–30 MPa w6x. However, notwithstanding all the efforts mentioned above there is a big gap between the generation and use of metallurgical slags produced by various industries.

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Dissemination of results of the European projects dealing ...

2021-7-19  and LF slag similar to BF slag by incorporating it into cement industry • Development of methodology and a software platform to implement the innovative industrial symbiosis model • Case studies of using EAF slag or LF slag in different applications e.g. green concrete slag, pre-industrial production of CSA cement, industrial production of

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Effect of basicity on cementitious activity of modified ...

Electric arc furnace steel slag was modified by wastes in hot-stage process with the aim to improve the cementitious activity. Effect of basicity on cementitious activity of modified steel slag was investigated in this research. The modified slag was characterized by XRD, DTA and Raman spectra techniques to investigate the correlations between structural features and the cementitious activity.

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Use of steelworks slag in Europe - ScienceDirect

1996-1-1  In my paper I will explain the properties and use of steelworks slag and I hope that at the end of my presentation you will agree that steel- works slag is a product. Let me start with a short historic review and mention that the steel slag from Basic-Bessemer or Thomas process has been processed and used as a phosphatic fertiliser since the 1880s.

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Application of thermovision method in analysing ...

2009-6-30  In the metallurgical process important issue is to prevent getting the slag in the pouring ladle, because of its bad influence on steel proprieties. We can observe presence of the slag in stream of liquid metal by measurement of the energy radiated from steel and slag

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Adsorption capacity of modified metallurgical slag

2012-11-12  cement, concrete, railroad ballast, roof coverings, mineral wool, Limestone, etc.); 2) extraction of useful ... efficiency of such treatment processes. The BFS chemical composition and structure play a key role ... Adsorption capacity of modified metallurgical slag The formation of melilites in Kremikovtsi BFS is limited by its low Al 2 O

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Metallurgical By-Products in Earthworks, Hazards of their ...

Metallurgical by-products, primarily blast furnace and steel slag, have ranked among important alternative sources of fill as well as of material for the structural layers in highways. The properties of aggregates based on blast furnace or steel slag are determined to a decisive degree by the process employed by the specific ironmaker or steelmaker in question, or as the case may be, the ...

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Slag recycling - recovery

In addition, 7.4 Mta of steelworks slag was produced. Fig. 9 shows the amounts recovered. It can be seen that only granulated blast furnace slag (GBFS) can be used as a cement additive. For ready-mixed concrete and other types of concrete, both normal blast furnace slag and steelworks slag are used with respective totals of 38.7 % and 20.3 %.

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PAPER OPEN ACCESS Related content Utilizing steel slag

chemical and physical modified) to cement are investigated. For instance, it can boost the hydration ability of slag cement concretes, improving the mechanical performance of cement, enhancing the strengths of cement, autogenous deformation on the cracking, microstructure and durability, resistance. 4.2 Road construction

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Use of steelworks slag in Europe (Journal Article) OSTI.GOV

1996-12-31  Use of steelworks slag in Europe. Full Record; Other Related Research; Abstract. At any time the steel industry has been a pioneer for recycling. Recycling of scrap and the early use of blast furnace slag products on a high level are only two excellent examples. As a result of a comprehensive research during recent years in all European ...

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Effect of basicity on cementitious activity of modified ...

Electric arc furnace steel slag was modified by wastes in hot-stage process with the aim to improve the cementitious activity. Effect of basicity on cementitious activity of modified steel slag was investigated in this research. The modified slag was characterized by XRD, DTA and Raman spectra techniques to investigate the correlations between structural features and the cementitious activity.

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REACTIVITY OF MODIFIED IRON SILICATE SLAG AS

2019-7-10  combining Modified Iron Silicate (MFS) slag and Ordinary Portland Cement (OPC). MFS slag is a fumed by-product synthesized during the production of Copper (Cu) metal. This slag can be used as possible alternative SCM due to its pozzolanic behaviour. To study the replacement level in relation to reactivity and strength

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Programme 7th International Slag Valorisation Symposium

2021-4-27  The slag is in the metallurgical process used to separate undesired elements contained in the raw materials yielding the desired product, a metal or alloy. In its post process, slag has potential for utilization in external applications, e.g construction, provided technical and

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Downloads 7th International Slag Valorisation Symposium

Plenary talks Susan A. Bernal Lopez – Correlating blast furnace slag features with the performance of low carbon slag-based cements Paper – Presentation Miguel Angel Estrada Moreno – Strategies for slag valorisation in the copper industry Paper Vojtech Ettler – The leaching behavior of smelting slags – From contaminants to critical metals Paper Florian Flachenecker []

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Analysis of Thermal Properties of Metallurgical Slags

2015-11-9  During the process of production of composite heat-resistant materials the ground metallurgical slag can be used as the main component of a binder. The article describes the basic physical, mechanical and thermal properties of the slags under investigation. Keywords: composites, metallurgical slag 1 Introduction

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