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Large amounts of lead slag are produced during the production of primary lead and secondary lead. Considering lead concentrate smelting as an example, a primary lead …
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Piles of steel slag, a solid waste generated from the iron and steel industry, could be seen due to no utility found for the past century. Steel slag has now gained much attention …
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Silicate slags produced from smelting copper concentrates contains valuables such as Cu and Fe as well as heavy metals such as Pb and As which are considered hazardous. In this paper, …
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This paper explores the various developments for total recycling of slag in steel industry, so that the vision for making "clean & green steel with zero waste" can be achieved …
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Average ash dump sample analysis showed that it contains 70 weight % of silicon dioxide, 27 weight % of cementitious component in form of calcium silicates, magnesium silicates and …
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This review provides a comprehensive analysis of the role of steel slag in mitigating carbon dioxide (CO 2) emissions in the steel industry through waste heat recovery, carbon …
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Davy Laboratories provides waste characterization for all types of foundry sand, slag, and ash. Detection levels are maintained to insure compliance with Parts B and C of the related DNR codes. All material sampling, bulk chemical analysis, …
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The growing environmental pressure to reduce waste and contamination has prompted an extensive study to examine all viable waste reduction and recycling options.
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2.2 Characterization of Steel Slag Using Scanning Electron Microscope (SEM) and X-ray Diffraction (XRD) Analysis 2.2.1 SEM Analysis. A scanning electron microscope (SEM) …
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This document is a thesis from North-West University.
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The freely solidifying copper slag obtained as a waste material from a high temperature copper process was investigated for its use as abrasive (Andrzej et al., 1992). …
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Based on over 150 published studies, this paper provides an overview of mineralogical and geochemical characteristics of different types of slag and their environmental consequences, …
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The oxide composition of both the BOF slag and EAF(L) samples was determined by the slag processing companies (Multiserv and Edward C. Levy Co.) using X-ray fluorescence (XRF) …
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Slag has been widely studied and proven useful in many industrial applications such as steel production and gasification. Slag analysis in metallurgical production processes …
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Steel slag (SS), accounting for about 15–20% of the total steel amount, has been produced in huge quantities worldwide (Han et al., 2015; Shi, 2004).Initially, SS was treated as …
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The slag had superior low loss on ignition (0.01 wt%) due to the fact that it formed on top of molten steel at high temperature (1500 °C–1600 °C). The slag had close chemical composition …
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Based on the above analysis, the following improvement suggestions were put forward: (1) In terms of electrode research, the use of inexpensive graphite electrodes had a …
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4 Application of metallurgical slag in road base material. Metallurgical slag is an industrial solid waste produced in the process of metal smelling and production. It is one of the bulk industrial …
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Slag is a waste product from the pyrometallurgical processing of various ores. Based on over 150 published studies, this paper provides an overview of mineralogical and …
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Slag is a waste product from the pyrometallurgical processing of natural ores or the recycling of man-made materials. This chapter provides an overview of the geochemical and mineralogical characteristics of different …
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Typically, slag material that is larger than 25.4 mm in diameter is highly metallic and recycled as scrap. The finer the particle size, however, the higher the recycling rate of …
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Chemical Composition of Samples Collected from Waste Rock Dumps and Other ... Thirty-one samples collected for geochemical analysis were obtained from waste rock dumps The …
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The cement produced using copper slag waste performed better than that using iron powder. The potential use of flotation waste copper slag as an iron source in the production of …
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the Almaty region. Waste from CHPP-3 is not processed, and current accu-mulated ash waste occupies huge areas which are withdrawn from land use. Storage of ash and slag waste not …
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Currently, there is a limited amount of research on the smelting slag in general. Zhang S. et al has successfully developed high-porosity ceramics and glass ceramics using …
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only ship the slag products that can be used safely and securely. 2.3 Analysis method for understanding the chemical state of steel slag Steel slag contains various types of elements. …
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The research results showed (Fig. 1) that the real waste in the form of slag from Waelz processing contained calcium, silicon, oxygen, iron, aluminum (also confirmed by the …
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Large amounts of copper slag are produced every year and major fractions of it are currently disposed, not withstanding the multiple ways the material can be used. Application of …
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The recoveries of copper and iron reached 95.89% and 94.64% respectively. Simultaneously, more than 90% of the fluoride in the waste cathode carbon was transferred to …
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Due to the potential uses of the slag as low cost adsorbent for water treatment and pollutants removal, its detailed textural characterization was carried out by nitrogen …
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