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Journal articles on the topic 'Slag glass'

Author: Grafiati

Published: 4 June 2021

Last updated: 29 July 2025

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1

Lottermoser, B. G. "Mobilization of heavy metals from historical smelting slag dumps, north Queensland, Australia." Mineralogical Magazine 66, no. 4 (2002): 475–90. http://dx.doi.org/10.1180/0026461026640043.

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AbstractSlag dumps occur at several historical smelting sites in north Queensland, Australia. The microcrystalline slags contain primary slag phases, relict flux, ore and furnace materials and secondary weathering related minerals. Common primary slag phases are glass, Zn-rich fayalite (± Zn-rich kirschsteinite) and Zn-rich hedenbergite. Other minor minerals include wollastonite, Zn-rich melilite, Zn-rich iscorite (Fe7SiO10), magnetite as well as a number of sulphides (pyrrhotite, galena, bornite, sphalerite, wurtzite), metallic phases (Ag, Cu, Pb, Sb), alloys (Cu3Sn), and unknown metal compou

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2

Wang, Hui, Su Ping Cui, and Ya Li Wang. "Influence of Cooling Ways on the Structure and Hydraulic Activity of Blast Furnace Slag." Key Engineering Materials 633 (November 2014): 234–39. http://dx.doi.org/10.4028/www.scientific.net/kem.633.234.

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Using the industrial limestone, fly ash and pure chemical reagents as raw materials, the blast furnace slag was prepared in the simulation condition of the actual slag-making process by three different cooling ways, including air cooling, water cooling and liquid nitrogen cooling. Combined with different test methods such as XRD, SEM, IR, the influence of cooling ways on the structure and hydraulic activity of blast furnace slag was studied in the present in investigation. The relationship between glass content, compressive strength and the phase compositions of blast furnace slag has been obt

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3

Trezza, M. A., and V. F. Rahhal. "Self-activation of slag-cements with glass waste powder." Materiales de Construcción 69, no. 336 (2019): 203. http://dx.doi.org/10.3989/mc.2019.13618.

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The aim of this study is to evaluate the behavior of glass powder waste as alkaline activator of slag when both are used in blended cement. The slag blended cement was prepared with 70% slag, and then the slag was replaced with 10-20% glass powder by mass. The self-activation concept is here introduced. Ground glass releases alkalis through dissolution in a slow and sustained way over time. This would activate slag. Ground glass improves fluidity of mortars and the compressive strength overcomes dilution and increases with age due to the combined pozzolanic action of slag and glass. The propos

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4

Hou, Xinkai, Dan Wang, Yiming Shi, Haitao Guo, and Yingying He. "Hydraulic Activity and Microstructure Analysis of High-Titanium Slag." Materials 13, no. 5 (2020): 1239. http://dx.doi.org/10.3390/ma13051239.

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To explain the relationship between the hydration activity of high-titanium slag and its microstructure, the hydration activity of high-titanium slag was determined, then the mineral phase and microstructure characteristics of high-titanium slag glass phase and blast furnace slag were investigated using a series of analytical methods, which contain X-Ray Diffraction (XRD), Scanning Electronic Microscope (SEM), Fourier Transform Infrared spectroscopy (FTIR), Raman spectroscopy, and Nuclear Magnetic Resonance spectroscopy (NMR). The results showed that in slow-cooled high-titanium slag, the hydr

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5

Saito, Tetsuji, Hironori Sato, and Tetsuichi Motegi. "Extraction of Rare Earth from La–Ni Alloys by the Glass Slag Method." Journal of Materials Research 18, no. 12 (2003): 2814–19. http://dx.doi.org/10.1557/jmr.2003.0392.

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The use of the glass slag method in the extraction of rare earth from La–Ni alloys was studied. X-ray diffraction and electron probe microanalysis studies revealed that the La–Ni alloys produced by the glass slag method using boron trioxide consisted of Ni and Ni3B phases. No La-containing phase such as the LaNi5 phase and the La oxide phase was found in the resultant alloys. The chemical analyses confirmed that the La content in the alloys produced by the glass slag method was very limited. However, the glass slag materials contained a large amount of lanthanum. The La in the La–Ni alloys was

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6

Cheng, Jin Shu, Hui Guang Qiu, and Li Ying Tang. "Effect of CaO on Sintering and Crystallization of CaO-Al₂O₃-SiO₂ System Phosphorus Slag Glass-Ceramic." Advanced Materials Research 66 (April 2009): 37–40. http://dx.doi.org/10.4028/www.scientific.net/amr.66.37.

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Much phosphorus slag which is produced every year, not only brings about the resource waste, but also results in the pollution of the environment. In the paper, phosphorus slag was added into the glass-ceramics of CaO-Al2O3-SiO2 system. Through increasing the CaO content of CaO-Al2O3-SiO2 system glass-ceramics and keeping constant content of the phosphorus slag, the phosphorus slag glass-ceramics were obtained. The optimum compositions of CaO-Al2O3-SiO2 system phosphorus slag glass-ceramics was obtained through careful analysis based on X-ray diffraction (XRD), scanning electron microscopy (SE

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7

Zhang, Wen Tao, Feng He, Jun Lin Xie, et al. "Preparation of Non-Fluorine Glass Ceramics from Modified Molten Blast Furnace Slag." Materials Science Forum 944 (January 2019): 1111–16. http://dx.doi.org/10.4028/www.scientific.net/msf.944.1111.

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Non-fluorine glass ceramics were successfully prepared from modified molten blast furnace (BF) slag. Quartz sand and Al2O3 were added as modification material. Fe2O3, TiO2, and ZrO2 were added as nucleation agents. The thermal properties of the modified BF slag and the structure of glass ceramics were investigated by differential scanning calorimetry (DSC), scanning electron microscope (SEM) and X-ray diffraction analysis (XRD). The results indicated that the crystallization temperature (Tp) decreased with increasing BF slag, and the glass stability index ΔT initially decreased and then increa

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8

Nakamoto, Masashi, Joon Ho Lee, and Toshihiro Tanaka. "Design of Lubricants Using Waste Slag in Large Strain Addition Strip Processing for Ultrafine-Grained Steels." Materials Science Forum 512 (April 2006): 319–24. http://dx.doi.org/10.4028/www.scientific.net/msf.512.319.

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Aiming to design new lubricants in the large strain addition strip process for ultrafine-grained steels, we tested the possibility of using waste slag, which is generated largely from iron and steelmaking processes, municipal waste treatments and so on. We then focused our attention on the slag containing water as the new lubricant. Slag satisfies the requirement of biting the workpiece stably, which cannot be achieved with conventional lubricants, because slag is stable as a solid phase of high hardness at the biting temperature in the strip process (100~200oC). In addition, slag contains wat

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9

Han, Xiu Li, Chang Cun Li, Li Na Liu, Run Ming Feng, and Hui Ping Yang. "Study on Technological Mineralogy of Slag Film of Medium Carbon Steel." Advanced Materials Research 454 (January 2012): 89–92. http://dx.doi.org/10.4028/www.scientific.net/amr.454.89.

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The mineral composition and microstructure of slag film of medium carbon steel are studied systematically with the methord of the technological mineralogy. The result shows that: The main mineral compositions of slag film are melilite and glass phase, and the texture of slag film is of two-layer or three, in which glassy-layer and crystallizing-layer appear alternately, the crystallization rate is from 2% to 5%. The melilite in slag film is good for improving lubrication and controlling heat transfer, so melilite can be promote in slag film for improving the quality of medium carbon steel.

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10

Yatsenko, E. A., B. M. Goltsman, and L. A. Yatsenko. "Investigation of the Raw Materials' Composition and Ratio Influence on the Structure and Properties of the Foamed Slag Glass." Materials Science Forum 843 (February 2016): 183–88. http://dx.doi.org/10.4028/www.scientific.net/msf.843.183.

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The composition of the foam glass based on thermal power plant’s ash-slag waste – foamed slag glass – was developed. The synthesis of the samples based on the most widespread foaming agents was conducted at various temperatures. The structure and properties of the obtained samples were defined, the relationship between the type and amount of the introduced foaming agents and changes in the structure and properties of the samples were established. The best type of foaming agent for the synthesis of foamed slag glass has been selected. The production technology for products based on foamed slag

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11

Fang, Yong Hao, Zheng Long Lu, and Zhong Li Wang. "FT-IR Study on Early-Age Hydration of Alkali-Activated Slag Cement." Key Engineering Materials 492 (September 2011): 429–32. http://dx.doi.org/10.4028/www.scientific.net/kem.492.429.

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The hydration process of alkali-activated slag cement, especially at early-age, was studied by FT-IR, compared with that of Portland cement. The results show that during the hydration of alkali activated slag cement, two processes have taken place, the dissolution of Al3+ from the slag and then the recombination of Al3+ ions with the silicate anions. The former associated with the break of the glass network of slag and the later with the re-polymerization of the silicate and aluminosilicate anions. The rate of break of the glass network increases with the dosage of water glass, which completed

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12

Yang, Zhi Hong, Qiao Lin, Yong He, Hai Hui Tao, Yi Ke, and Guang Dong Liao. "Preparing of Glass-Ceramics and Recovering of Iron from Copper Slag." Applied Mechanics and Materials 253-255 (December 2012): 295–98. http://dx.doi.org/10.4028/www.scientific.net/amm.253-255.295.

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Copper slag, containing more than 40 wt% iron, is often used for pavement of roads, building bricks and cement etc. The level of this traditional utilization technology is very poor. In this study, a new method of comprehensive utilization of copper slag was investigated. The iron of copper slag was recovered and the residual slag was transformed into glass-ceramics within the same process involving iron reduction, iron-glass separation and glass crystallization. The experimental results indicated that the ratio of iron recovery was more than 99% and the crystalline phase of the obtained glass

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13

Haubner, Roland, and Susanne Strobl. "Slag from Modern Copper Production Found in Bergwerk, Burgenland, Austria." Solid State Phenomena 341 (March 15, 2023): 11–16. http://dx.doi.org/10.4028/p-4zdd71.

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The investigated slags from Bergwerk (Burgenland, Austria) are from the 17th century and a byproduct of a copper smelting process. These slags are typical plate slags but metallographic studies have shown that these slags are atypical compared to alpine slags. There is an elongated texture running across the slag but the typical fayalite dendrites are absent. Noticeable are high sulfur and Fe levels. SEM-EDX element mappings show that FeO and FeS coexist locally, suggesting that a eutectic FeO-FeS mixture exists. The melting point could have been lowered to 930 °C by the FeO-FeS eutectic. CaSO

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14

Dai, Wen Bin, Yu Li, Yuan Yuan Zhou, Da Qiang Cang, and Yong Fan. "Effect of Al₂O₃ on the Glass-Ceramics of CaO-SiO₂-MgO-Al₂O₃ System Based on BOF Slag." Advanced Materials Research 833 (November 2013): 208–12. http://dx.doi.org/10.4028/www.scientific.net/amr.833.208.

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Directly recycling residual iron element in modified BOF slag after reduction and manufacturing glass-ceramics from these remaining inorganic slag materials is an effective way to reuse the waste heat and slag materials of hot BOF slag. In the glass-ceramics, the Al2O3 has an important influence on the slag viscosity and the physical and chemical properties of glass-ceramics. In this paper, glass-ceramics with a basicity of 0.7 and a MgO content of 9~12% were prepared by using chemically pure reagents according to the CaO-SiO2-MgO phase diagram, and the effect of different Al2O3 content on the

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15

Huang, Yi, Yu Li, Zhaoyang Cheng, and Wei Feng. "Hot Modification of Silicomanganese Slag in Its Crystallization and Viscosity Properties for Preparation of Cast Stone." Ceramics 8, no. 1 (2025): 22. https://doi.org/10.3390/ceramics8010022.

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The direct hot modification and subsequent preparation of qualified building materials from molten slag has gained significant attention at present due to its characteristics of saving energy and reducing CO2 emissions. Molten silicomanganese slag, discharged at 1500–1600 °C with high content of SiO2 and Al2O3 (above 50 mass%), was suitable for the preparation of casting stone. To ensure a qualified casting stone, the study focused on improving the crystallization properties and fluidity of molten silicomanganese slag by modifying of its composition, crystallization, structure, and viscosity.

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16

Modiga, A., and A. Mwamba. "The effect of titanium slag on the properties of glass-ceramic composites from South African coal fly ash." Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie 40, no. 1 (2022): 31–36. http://dx.doi.org/10.36303/satnt.2021cosaami.07.

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In this study, the impact of titanomagnetite slag on the structure of glass-ceramic composites was investigated. The slag was added as a source of titania which promotes nucleation within the parent glass matrix and magnesium oxide which facilitates crystallisation. A mixture of fly ash and varying quantities of waste beverage glass and titanomagnetite slag were melted. The melts were then annealed at lower temperatures to reduce the internal stress and, subsequently, cooled to room temperature to produce parent glasses. The mass of fly ash was held constant at 60%, while the mass of the waste

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17

Zdorenko, V., N. Zabiiaka, K. Sebko, and O. Gorbunova. "DETERMINATION OF THE COMPRESSION STRENGTH RP OF MULTILAYER PLATES MADE OF SLAGOSITALS." Integrated Technologies and Energy Saving, no. 3 (November 9, 2021): 26–35. http://dx.doi.org/10.20998/2078-5364.2021.3.03.

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The methodology of creating multifunctional acoustic automated devices has been further developed, it is based on the construction of simple algorithms for transforming and processing signals of measuring instruments. A differential acoustic method for controlling the physical and mechanical parameters of multilayer plates made of slag glass-ceramics has been investigated. A structural diagram of an automated device for measuring acoustic control of the ultimate compressive strength Rр of a controlled slag glass-ceramics plate is proposed. The option of automation of the measurement process co

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18

Tong, Z. B., J. T. Sun, S. C. Liu, W. Zhang, and M. L. Kuang. "Study on a new process and its kinetics of iron recovery and glass-ceramics preparation from desulfurization slag." Journal of Mining and Metallurgy, Section B: Metallurgy, no. 00 (2022): 1. http://dx.doi.org/10.2298/jmmb211008001t.

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This paper creatively proposes a new process with desulfurization slag leached by ammonium chloride as pretreatment, and the main point of this paper lies in the processing of desulfurization residue leached by ammonium chloride. Through component analysis, the formula is adjusted with high aluminum coal ash and glass cullet, making the melting point of the reduction slag is around 1200?C, which facilitates the separation of iron and slag, at the same time, the reduction slag is adjusted to the target crystallization phase, so that the high temperature reduction slag after carbon thermal reduc

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19

Wang, Hui, Su Ping Cui, and Xiao Long Shang. "Optimization Chemical Composition of the Blast Furnace Slag with Uniform Design." Materials Science Forum 743-744 (January 2013): 210–15. http://dx.doi.org/10.4028/www.scientific.net/msf.743-744.210.

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Using the industrial limestone, fly ash and pure chemical reagents as raw materials, the blast furnace slag was prepared in the simulation condition of the actual slag-making process. Using uniform design method, the influence of blast furnace slag composition factors such as quaternary alkalinity, ratio of CaO/MgO and ratio of SiO2/Al2O3 on the glass content of blast furnace slag were studied in the present in investigation, the relationship between glass content and the various factors has been obtained through regression analysis, and the main influence factors and the optimum blast furnace

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20

Kero Andertun, Jakob, Pasi Peltola, Fredrik Engström, and Caisa Samuelsson. "The Effect of Zn Content and Granulation Temperature on Zn Leaching in an Fe-Saturated (FeXZn(1−X))2SiO4 System." Minerals 12, no. 6 (2022): 767. http://dx.doi.org/10.3390/min12060767.

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The zinc in the fayalite slag of copper smelters, in which Zn-containing raw materials are used, is mainly found to be in oxidic phases, such as glassy iron silicate. During the slag water granulation process, the molten slag is heated, whereby the granulated slag achieves varying granulation temperatures. Therefore, in this study, we aimed to characterize and assess the leaching behavior of a synthesized Fe-saturated (FeX,Zn(1−X))2SiO4 system to understand the dependance of the zinc leaching behavior on the parameters of the ZnO content (1–10 wt.%) and granulation temperature (1300 or 1400 °C

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21

Thakur, Krishna Kumar, and Atikur Rahman. "Development of novel X-ray radiation shielding tiles using cupola furnace slag." Emerging Materials Research 14, no. 2 (2025): 1–11. https://doi.org/10.1680/jemmr.24.00078.

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The research studies glass ceramic tiles manufactured from cupola furnace slags, which show robust mechanical properties and efficient X-ray shielding. The study involves fabricating 1000°C sintered glass ceramic tiles, both with and without binders, using various industrial cupola slags. The provides valuable insights into potential industrial applications. The primary components in cupola slag powder are silica (SiO2) and calcium oxide (CaO), with SiO2–CaO-based minerals such as wollastonite and anorthite emerging after sintering, enhancing the mechanical properties. The addition of sodium-m

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22

Wang, Hui, Su Ping Cui, and Ya Li Wang. "Influence of Process Conditions on the Structure and Hydraulic Activity of Air-Cooling Blast Furnace Slag." Materials Science Forum 814 (March 2015): 476–82. http://dx.doi.org/10.4028/www.scientific.net/msf.814.476.

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Using the industrial limestone, fly ash and pure chemical reagents as raw materials, the blast furnace slag was prepared by the fast air-cooled method. Using orthogonal experiment method, the influence of process conditions such as heating rate, heat preservation time of the blast furnace slag in hearth, discharge temperature of slag and cooling speed on the glass content and hydraulic activity of blast furnace slag were studied, the main influence factors and the optimal process conditions of blast furnace slag were determined. The results showed that the discharge temperature of slag was the

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23

Mudrychenko, Anatolii, Andrii Hrinchuk, Ivan Balashov, and Sergey Illyasch. "Use of soils and recycled industrial products treated with water glass in the road pavement base courses." Dorogi i mosti 2021 (March 25, 2021): 86–93. http://dx.doi.org/10.36100/dorogimosti2021.23.086.

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Introduction. Growing volumes of road construction increase the need to expand and rationally use of raw materials. The need for stone materials can be solved through the wide spread using of local materials, recycled products of industry in the pavement base courses and decreasing the use of natural construction materials by replacing them with alternatives, including soils, slag materials that are metallurgical industry wastes. Experience of ferrous metallurgy slag usage has been accumulated in the road industry of Ukraine. Their usage makes it possible to extend the construction season, inc

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24

Lu, Hong Xia, Tie Cui Hou, Zhang Wei, et al. "Use of Angang Slag for the Production of Glass-Ceramic Materials." Key Engineering Materials 368-372 (February 2008): 1426–28. http://dx.doi.org/10.4028/www.scientific.net/kem.368-372.1426.

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The characteristic of Angang blast furnace slag was studied by X-ray fluorescence spectrometry, DSC, X-ray diffraction and SEM. SiO2-Al2O3-CaO system glass-ceramics have been obtained successfully from slag with other additives. The properties of slag-based glass-ceramics were analyzed in this paper. It has been found that nucleation temperature is in the range of 600~700 °C, and crystallization temperature is in the range of 850~950 °C. The crystals phase is 2 CaO⋅ Al2O3⋅ SiO2. The chemical and mechanical properties of slag-based glass-ceramics are superior to the properties of clay brick.

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25

Quan, Hong Zhu. "The Glass Phase Characterization of Coal Ash Slag." Advanced Materials Research 580 (October 2012): 473–76. http://dx.doi.org/10.4028/www.scientific.net/amr.580.473.

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In recent years, coal power generation are strongly desired lower environmental burden, emissions of SOx, NOx, and CO2 are reduced to the level. Since high efficiency of combustion or gasification systems are discharges coal ash component of complex ashes or glassy molten slag(what is CCP), and the other point of view these CCPs are expected to be effectively used for sustainable development as component for civil engineering etc. Using the CCPs for civil engineering work, Pozzolanic reactions are very important character with hydration materials, but to measure Pozzolanic reaction by mortar t

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26

Wang, Yici, Qi Jiang, Guoping Luo, Wenwu Yu, and Yan Ban. "Mutual Influence of Special Components in Baotou Steel Blast Furnace Slag on the Crystallization Behavior of Glass." Journal of Metallurgy 2012 (October 17, 2012): 1–6. http://dx.doi.org/10.1155/2012/954021.

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In the process of glass-ceramics prepared with Baotou steel blast furnace slag, quartz sand, and other raw materials by melting method, the mutual influence of the special components such as CaF2, REXOY, TiO2, K2O, and Na2O in the blast furnace slag on the crystallization behavior of parent glass was investigated using differential thermal analysis (DTA) and X-ray diffraction (XRD). The results show that the special components in slag can reduce the crystallization temperature and promote crystallization of glass phase, which belongs to surface crystallization of glass, and they cannot play th

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27

Zhou, Zhi Jun, Hui Li, Qiang Song, and Bao Jing Shen. "Factors Influencing the Strength of Alkali-Activated Slag Cement." Advanced Materials Research 368-373 (October 2011): 3240–45. http://dx.doi.org/10.4028/www.scientific.net/amr.368-373.3240.

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In this paper, water glass was chosen as activator to prepare Alkali-activated slag(AAS) cement. Effects of modulus and dosage of water glass, and admixture (fly ash, slag and silica fume) on the strength of AAS cement was investigated. It was found that the modulus of water glass had great effect on the strength of AAS cement when the mixing amount of water glass was less than 12%. With the incorporation of fly ash or slag, the strength of AAS cement decreased, however the incorporation of silica fume could promote the flexural and compressive strength of AAS cement slightly.

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28

Suzuki, Masanori, and Toshihiro Tanaka. "Hydrothermal Slag/Glass Chemistry for Porous Materials Production." Key Engineering Materials 521 (August 2012): 35–45. http://dx.doi.org/10.4028/www.scientific.net/kem.521.35.

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Hydrothermal treatment has been conducted to create porous glass or ceramics as value-added materials for the recycling of slag and glass. Under hydrothermal conditions, slag and glass react with a high pressurized H2O and hydrate glass phase containing plenty of H2O is formed to connect raw materials particles to make ceramic materials. The hydrothermal process takes advantages of energy costs, because it can be operated at a low temperature compared to conventional sintering processes. Since the hydrothermal process uses H2O to fabricate ceramic materials, it can be regarded as energy-saving

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29

Criado, Maria, Brant Walkley, Xinyuan Ke, John Provis, and Susan Bernal. "Slag and Activator Chemistry Control the Reaction Kinetics of Sodium Metasilicate-Activated Slag Cements." Sustainability 10, no. 12 (2018): 4709. http://dx.doi.org/10.3390/su10124709.

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The reaction kinetics of four commercial ground granulated blast furnace slags with varying percentages of MgO (6 to 14 wt.%), activated with four different doses of sodium metasilicate, were evaluated using isothermal calorimetry. The reaction kinetics were strongly dependent on the dose of the alkaline activator used, and the chemical and physical properties of the slag. When using low concentrations of sodium metasilicate as an activator, the MgO content in the slag influences the kinetics of the reaction, while the CaO content plays a more significant role when the concentration of metasil

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30

Krzan, Darko, Miroslav Komljenovic, and Branislav Zivanovic. "The influence of different parameters on the hydration process of binders based on alkali activated slag." Journal of the Serbian Chemical Society 70, no. 1 (2005): 97–105. http://dx.doi.org/10.2298/jsc0501097k.

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The influence of certain types of activators (water glass Na2O.nSiO2 and sodium-metasilicate Na2SiO3.5H2O) on the hydration process of alkali activated slag was investigated in this study. The influence of activator concentration, specific surface area of the slag and the modulus n of the water glass (mass ratio between SiO2 and Na2O) on the kinetics of the hydration process i.e., the change of compressive strength were also investigated. Poorly crystallized low base calcium silicate hydrate C-S-H (I) is the main hydration product of alkali activated slag regardless of the activator used. This

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31

Han, Xiu Li, Chang Cun Li, Li Na Liu, and Run Ming Feng. "Study of Low Carbon Steel on Microstructe of Slag Film." Advanced Materials Research 284-286 (July 2011): 1253–57. http://dx.doi.org/10.4028/www.scientific.net/amr.284-286.1253.

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Researched on the low carbon steel by mineral component ore phase structure of mould powder and its slag film under optical microscope. The result shows that the glass phase, quartz, and pyroxene in the mould powder helped to the slag film turn into glass. The melilite and wollastonite in the mould powder can promote the formation of melilite, and wollastonite can promote the formation of cuspidine in the slag film. The structure of the slag film is even and the main structure is glass phrase, the rate of crystallization is low, the crystallized mineralogical phases was melilite, the cuspidine

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32

Frantsenyuk, L. I., I. V. Blintsova, and A. E. Seredkin. "Synthesis of slag-glass ceramics." Glass and Ceramics 53, no. 12 (1996): 356–61. http://dx.doi.org/10.1007/bf01129671.

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33

Vítková, M., V. Ettler, Z. Johan, B. Kříbek, O. Šebek, and M. Mihaljevič. "Primary and secondary phases in copper-cobalt smelting slags from the Copperbelt Province, Zambia." Mineralogical Magazine 74, no. 4 (2010): 581–600. http://dx.doi.org/10.1180/minmag.2010.074.4.581.

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AbstractPyrometallurgical slags from three Cu-Co smelters (Nkana, Mufulira, Chambishi) in the Copperbelt Province, Zambia, were studied from mineralogical and chemical points of view. The slags were enriched in metals and metalloids, mainly Cu (up to 35 wt.%), Co (up to 2.4 wt.%) and As (up to 3650 ppm). The following primary phases were observed in slags: Ca-Fe silicates (clinopyroxene, olivine) and leucite, oxides (spinel-series phases), ubiquitous silicate glass and sulphide/metallic droplets of various sizes. The presence of glass and skeletal/dendritic crystal shapes indicated rapid cooli

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34

Mangutova, Bianka, Emilija Fidancevska, Milosav Milosevski, and Joerg Bossert. "Production of highly porous glass-ceramics from metallurgical slag, fly ash and waste glass." Acta Periodica Technologica, no. 35 (2004): 103–10. http://dx.doi.org/10.2298/apt0435103m.

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Glass-ceramics composites were produced based on fly-ash obtained from coal power stations, metallurgical slag from ferronickel industry and waste glass from TV monitors, windows and flasks. Using 50% waste flask glass in combination with fly ash and 20% waste glass from TV screens in combination with slag, E-modulus and bending strength values of the designed systems are increased (system based on fly ash: E-modulus from 6 to 29 GPa, and bending strength from 9 to 75 MPa). The polyurethane foam was used as a pore creator which gave the material porosity of 70(5% (fly ash-glass composite) and

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Nie, Yi Miao, Fu Sheng Niu, and Jin Xia Zhang. "Experimental Study of Glass Ceramics from Liquid Hematite Slag." Advanced Materials Research 194-196 (February 2011): 2082–85. http://dx.doi.org/10.4028/www.scientific.net/amr.194-196.2082.

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Much slag occupied the land resources and caused severe damage to the ecological environment. A lot of work has been done on the reclaimation and utilization of slag. The composition, type and characteristics of slag were similar in some way to glass ceramics, which are architectural decoration materials or wearable and corrosion-proof materials with high quality and low price. In this paper, glass ceramics was prepared using hematite slag, which has not been cooled down in order to save energy. The optimum processing condition determined by orthogenesis test to prepare glass ceramics was hema

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Dolníček, Zdeněk, Ladislav Kandrnál, Jana Ulmanová, Ester Vratislavská, and Pavel Hojač. "Strusky z redukční tavby pelosideritové železné rudy realizované na hradě Buchlově (jv. Chřiby) v roce 2019: extrémní variabilita fázového složení a chemismu jednotlivých fází." Bulletin Mineralogie Petrologie 29, no. 1 (2021): 59–76. http://dx.doi.org/10.46861/bmp.29.059.

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During experimental smelting of iron in a replica of historical shaft furnace, which was held at the Buchlov Castle in 2019, charcoal and fresh pelosiderite iron ore from the locality Moravany near Kyjov were used. The obtained furnace slag is practically completely formed by glass phase; only rare small domains contain also crystalline phases, whose occurrence is very irregular. A detailed study of chemical composition showed extreme heterogeneity in composition of glass and most crystalline phases. The glass phase contains variable, but often high amounts of Mn, Ca, Mg and sometimes P and/or

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Tan, Wenjie, Tao Sun, Fukun Ma, Min Jing, and Liqiang Liu. "Molecular Dynamics Simulation and Viscosity Analysis of Red Mud–Steel Slag Glass–Ceramics." Materials 16, no. 22 (2023): 7200. http://dx.doi.org/10.3390/ma16227200.

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The preparation of glass–ceramics with red mud and steel slag can not only solve the pollution problem caused by industrial waste slag but also produce economic benefits. It is difficult to analyze the high-temperature melt with the existing test methods, so the simulation experiment with molecular dynamics calculation becomes an important research method. The effects of steel slag content on the microstructure of red mud glass–ceramics were studied by molecular dynamics method. The results show that the binding ability of Si-O, Al-O, and Fe-O decreases with the increase in steel slag content.

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Yatsenko, E. A., V. A. Smolii, and B. M. Goltsman. "Development of Resource-Saving Cellular Glass Technology and Materials Based on it." Materials Science Forum 870 (September 2016): 175–80. http://dx.doi.org/10.4028/www.scientific.net/msf.870.175.

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The advantages and drawbacks of a modern thermal insulating material – cellular glass (foam glass) – and the use of manmade waste (in particular, thermal power plant ash-slag waste) in its synthesis were described. The results of studies into the development of composites and temperature-time synthesis modes of effective energy-saving cellular glass and materials based on it were shown, including the experimental samples of insulating boards and blocks with density of not more than 500 kg/m3; experimental samples of porous granules for lightweight concrete and thermal insulating fillers with d

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Zong, Yan Bing, Zhao Bo Liu, Jun Jie Hou, and Hong Xu Li. "Investigation of Glass-Ceramics Based on Steel Slag under Various Sintering Atmospheres." Advanced Materials Research 1065-1069 (December 2014): 1784–90. http://dx.doi.org/10.4028/www.scientific.net/amr.1065-1069.1784.

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Slag glass-ceramics were successfully prepared by cold pressing sintering method in different atmospheres from metallurgical solid wastes. The evolution of crystal microstructure and crystalline phase transition of slag glass-ceramics was investigated by thermo-gravimetric analysis (TG-DTA), X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM) coupled with Energy Dispersive X-ray spectrometer (EDX). The results indicate that the Na2O composition plays the role of decreasing the crystallization temperature to some extent. Iron oxides make the glass frits have a high d

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Wang, Yi-Ci, Pei-Jun Liu, Guo-Ping Luo, Zhe Liu, and Peng-Fei Cao. "Optimization of heat treatment of glass-ceramics made from blast furnace slag." High Temperature Materials and Processes 39, no. 1 (2020): 539–44. http://dx.doi.org/10.1515/htmp-2020-0059.

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AbstractCaO–MgO–Al2O3–SiO2 glass-ceramics with diopside as the main crystalline phase were prepared by melting blast furnace slag obtained from Baotou Iron and Steel Company. The effect of heat treatment on the crystallization behavior of glass-ceramics, containing a large proportion of melted blast furnace slag, was studied by means of differential thermal analysis and scanning electron microscopy. The optimum heat-treatment regime was obtained by orthogonal experimental results for glass-ceramics in which blast furnace slag comprised 70% of the composition and 1% Cr2O3 and 4% TiO2 were used

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Zhang, Chuanbo, Zhifang Tong, Congcong Xu, Jiaxing Wang, and Zhiheng Jia. "Effect of Al2O3 on migration and distribution of chromium and chromium fixation effect in stainless-steel slag glass-ceramics." Processing and Application of Ceramics 17, no. 1 (2023): 70–80. http://dx.doi.org/10.2298/pac2301070z.

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Stainless-steel slag was used to prepare glass-ceramics, which could solidify chromium (Cr) in the slag. The migration and distribution state of chromium in the slag during the preparation of the glass-ceramics have a great influence on the chromium fixation ability of the glass-ceramics. In this paper, the effects of Al2O3 content in the glass-ceramics on the migration and distribution of chromium during the nucleation and crystallization steps, and on the chromium fixation effect of the glass-ceramics were systematically studied. The results show that in the nucleation stage, with the increa

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Park, Chang Wook, Sung Won Yoon, Soo Jeong Park, and Yun Hae Kim. "Spinning properties of slag fiber according to viscosity model." Modern Physics Letters B 33, no. 14n15 (2019): 1940027. http://dx.doi.org/10.1142/s021798491940027x.

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Slag means residues that occur during the steelmaking process. Measuring the high temperature viscosity of the slag is difficult and high cost. So, viscosity models can be used to predict the trends in viscosity as a function of the key variables, and so assist in the selection of process conditions and the optimization of the performance of slag fibers. Slag fibers with compositions similar to glass/carbon fibers are also expected to be suitable for spinning at a log viscosity value of 2.8–3. The fiberizing temperature of glass fiber is more than [Formula: see text] and the fiberizing tempera

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Li, Chao, Heng Hu Sun, and Long Tu Li. "Glass Phase Structure of Blast Furnace Slag." Advanced Materials Research 168-170 (December 2010): 3–7. http://dx.doi.org/10.4028/www.scientific.net/amr.168-170.3.

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This paper studies the blast furnace slag glass phase structure by a series of analysis methods. In glass phase, both Si and Al ions are confirmed to occupy only tetrahedral sites, while the [SiO4]4- and [AlO4]5- are separated by Ca and Mg. Furthermore, the glass structure corresponds to micro-crystal model, which means it contains some nano-scaled micro-crystals in the glass phase. In addition, the slag glass may separate into two phases: a calcium rich phase and a silica rich phase. According to devitrification experiment, it has been inferred that the chemical composition and structure of s

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Strigáč, Július. "Effect of Selected Alternative Fuels and Raw Materials on the Cement Clinker Quality." Selected Scientific Papers - Journal of Civil Engineering 10, no. 2 (2015): 81–92. http://dx.doi.org/10.2478/sspjce-2015-0020.

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Abstract The article deals with the study of the effects of alternative fuels and raw materials on the cement clinker quality. The clinker quality was expressed by the content of two principal minerals alite C3S and belite C2S. The additions of alternative fuels ashes and raw materials, in principle, always increased the belite content and conversely reduced the amount of alite. The alternative fuels with high ash content were used such as the meat-bone meal, sewage sludge from sewage treatment plants and paper sludge and the used alternative raw materials were metallurgical slags - granulated

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Layhan, S. A., and A. A. Veselovsky. "The Concept of Dumping Nickel Slag Processing with Preliminary Extraction of Metals." Solid State Phenomena 316 (April 2021): 576–81. http://dx.doi.org/10.4028/www.scientific.net/ssp.316.576.

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The present study considers various technological approaches to the processes of complex utilization of nickel slags with preliminary additional extraction of non-ferrous metals, iron, and ways of utilization of the obtained gangue. The valuable components are often produced from waste using the mineral acids or mixtures; the metals are extracted from acid solutions in a free form or in the form of compounds using electrochemical or chemical methods. Slag dumps have a heterogeneous structure and mineralization; the zone distribution of slag is clearly defined due to different cooling and solid

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Nath, G. K., and P. Rajendran. "Utilization of glass powder and precious slag balls as a partial replacement of cement and fine aggregates." IOP Conference Series: Earth and Environmental Science 1237, no. 1 (2023): 012008. http://dx.doi.org/10.1088/1755-1315/1237/1/012008.

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Abstract Cement manufacture on a large scale affects the environment negatively and depletes natural resources. Waste glass is disposed off in landfills after it becomes waste, which is unsustainable because glass does not disintegrate in the environment. Use of waste glass powder in concrete as a partialreplacement of cement can be a practical policy in reducing cement usage. Concrete’s most frequently used aggregates are crushed stone, rock, etc. and their excavation has a higher negative influence on the environment and causes an ecological imbalance. Thus, a suitable alternative material m

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Koltsova, Yaroslava. "PRODUCTION OF POROUS GLASS-CRYSTALLINE MATERIALS BASED ON GLASS CULLET AND CONVERTER SLAG." Bulletin of the National Technical University "KhPI". Series: Chemistry, Chemical Technology and Ecology, no. 2(6) (December 23, 2021): 20–25. http://dx.doi.org/10.20998/2079-0821.2021.02.04.

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The study conducted the research aimed to obtaining a porous glass-crystalline materials based on glass cullet and converter slag, which was used as a gas-forming additive. In this work, the chemical and phase compositions of the studied slag were analyzed, and a differential thermal analysis of its sample was carried out. Converter slag was added to the composition of the masses in an amount of 2.5 to 30 wt%, the rest was glass cullet. Вurning of the samples was carried out in the temperature range of 850-925 ° C. For the samples under study, using a sand volumetric meter, the volume was dete

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Lin, Qian, Jian Xin Cao, Cheng Bing Fu, and Yuan Zhang. "Development of Glass Ceramic by Sintering and Crystallization of Glass from Phosphorus Slag." Key Engineering Materials 336-338 (April 2007): 1892–94. http://dx.doi.org/10.4028/www.scientific.net/kem.336-338.1892.

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The phosphorus slag produced as the waste of yellow phosphorus manufacturing was studied for the production of calcium-aluminum-silicone system glass ceramic materials. The thermal behavior and crystallization processes of fine powders of parent glass with chemical composition (wt. %) 52-60 SiO2, 22-28 CaO, 2-10 Al2O3, 3-8Na2O+K2O, 1.7-2.1P2O5 and 1.6-2.0 F were carefully studied by DTA, XRD and SEM techniques. The desired sequence of events, i.e. nucleation, sintering and devitrification occurred by heat treating the glass powder. The results showed that the phosphorus slag can be as a main r

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Xu, Ben, Kai Ming Liang, J. W. Cao, and Y. H. Li. "Preparation of Foam Glass Ceramics from Phosphorus Slag." Advanced Materials Research 105-106 (April 2010): 600–603. http://dx.doi.org/10.4028/www.scientific.net/amr.105-106.600.

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Phosphorus slag could be used to prepare wollastonite glass ceramics. With the aid of incorporated foaming agent, foam glass ceramics can be obtained via the sintering of the slag-based glass. After the glass powder reacted with graphite, macro-size pores with homogeneous distribution were formed. The level of porosity of the fabricated foams was controlled by varying heat treatment temperature and amount of foaming agent. It was found that the preferential processing parameters for producing foam glass ceramics were foaming temperature of 1000°C with holding time of 10 min and 1 wt. % of grap

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Khestl, Filip, Veronika Šulková, and Pavel Mec. "Use of Glassy Slag from Biomass Combustion in the Building Industry – Coarse Aggregate." Advanced Materials Research 1122 (August 2015): 219–24. http://dx.doi.org/10.4028/www.scientific.net/amr.1122.219.

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The work deals with possibilities using of glassy slag produced during the combustion of biomass in construction. This is a waste product with glass characteristic, which may also contain ash and other pollutants. This waste is significantly different according to the used types of biomass, soil, temperature and time of combustion. Its structure is mostly porous and glassy. Building materials in which may be applied are cementitious or alkali-activated composites in which can appear in due to its nature as a filler or binder. In the paper the basic characteristics with the focus on use of this

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