Recycling industrial slags in production of fired clay bricks …
Blast furnace slag, ferrochromium slag, and steel slag recycled in bricks. ... Recycling industrial slags in brick manufacturing can help to develop the fired clay bricks with desired properties leading towards cleaner and sustainable construction. 2. Materials and methods. ... The water absorption of bricks is directly related to the apparent ...
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Treatments and Recycling of Metallurgical Slags
Abstract. Steelmaking plants continuously strive to reduce the environmental load in the steelmaking process, resulting in the recycling of energy, water, and other …
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Effect of steel slag in recycling waste activated sludge to …
In general, metals, especially Ca and Mg, released from the steel slags allowed CS10 to perform better, which was also related to the similarity in performance between CS10 and Fe10. 4. Conclusions. Recycling WAS and steel slags in making AnGS was a low-cost and effective technology in engineering application.
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Carbide slag recycling to fabricate shape-stable phase …
DOI: 10.1016/j.est.2023.106694 Corpus ID: 256137716; Carbide slag recycling to fabricate shape-stable phase change composites for thermal energy storage @article{Xiong2023CarbideSR, title={Carbide slag recycling to fabricate shape-stable phase change composites for thermal energy storage}, author={Yaxuan Xiong and …
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Constraints and opportunities for the recycling of growing …
Ferronickel slag is a by-product of nickel production. The discharge of ferronickel slag has gradually increased with the expansion of the scale of smelting for ferronickel alloys in China, which is a huge challenge for environmental protection. Ferronickel slag recycling has good economic and social benefits. In this perspective, in …
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Characteristics and environmental aspects of slag: a …
Slag is a waste product from the pyrometallurgical processing of various ores. Based on over 150 published studies, this paper provides an overview of …
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Recycling and utilization assessment of steel slag in …
This paper presents an experimental study that aimed to recycle steel slag waste as a supplementary material in metakaolin based geopolymer, resulting in a new type of geopolymer composites. ... while mixture #10 decreased by 0.3 MPa and 0.5 MPa. This result is likely to be related to the evaporation of free water during the condensation ...
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In-situ electrical conductivity monitoring of slag …
Higher values of n are related to lower liquid connectivity. Most porous sediments are found to have cementation indexes between 1 and 2.5. ... behaviour and electrical conductivity under isothermal conditions for online slag solidification monitoring in slag recycling. Resour. Conserv. Recycl., 182 (2022), Article 106319, …
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Slag Metallurgy and Metallurgical Waste Recycling | JOM
Slag is a typical byproduct generated during high-temperature metallurgical processes. It must be treated appropriately to meet the increasingly strict environmental requirements and to realize the economic benefits.1,2 The present topic, "Slag Metallurgy and Metallurgical Waste Recycling," collects eight articles, which demonstrate the …
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Recycling of ironmaking and steelmaking slags in Japan and …
The mass production of steel is inevitably accompanied by large quantities of slags. The treatment of ironmaking and steelmaking slags is a great challenge in the sustainable development of the steel industry. Japan and China are two major steel producing countries that have placed a large emphasis on developing new technologies …
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Ecotoxicity assessment of slag generated in the process of recycling …
PII: S 0 9 2 1 - 3 4 4 9 ( 0 0 ) 0 0 0 5 4 - 9 292 B. Coya et al. / Resources, Conser6ation and Recycling 29 (2000) 291–300 slag, called 'old slag'. Slag has a low moisture content and presents a dark, dun colour as a result of the presence of black, iron sulphide.
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Steel slag and its applications in cement and concrete …
Steel slag's usage is related to its physico-chemical characteristics. The density of steel slag is 3.3–3.6 g/cm 3. Steel slag is hard because of its high Fe amount and is highly resistant to corrosion. The grindability index of steel slag is 0.7 [38]. Steel slag primarily consists of SiO 2, CaO, Fe 2 O 3, FeO, Al 2 O 3, MgO, MnO, and P 2 O 5 ...
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Slag Metallurgy and Metallurgical Waste Recycling
Slag Metallurgy and Metallurgical Waste Recycling. Published: 29 July 2016. Volume 68, pages 2313–2315, ( 2016 ) Cite this article. Download PDF. Zhiwei Peng, …
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Characteristics and environmental aspects of slag: A review
1. Introduction. Slag examined in this study is defined as the predominantly silicate and oxide by-product derived from smelting metallic ore. The two main types of slag included in this discussion are from the primary production of ferrous ores, from iron and steel manufacturing, and from non-ferrous ores, from the recovery of base metals and …
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Slag: From By-product to Valuable Construction …
Recycling slag minimizes waste and disposal costs, reduces energy use, extends furnace life, and lowers the amount of additives needed to make slag. The concerns with slag recycling are that …
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Efficient recovery and regeneration of FePO4 from lithium …
Semantic Scholar extracted view of "Efficient recovery and regeneration of FePO4 from lithium extraction slag: Towards sustainable LiFePO4 battery recycling" by Guo-rong Hu et al.
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Comprehensive review on metallurgical recycling and cleaning of copper slag
The typical phase composition of copper slags is summarised in Table 2.Many variations in the phase composition of copper slags can be observed because of some factors related to the pyrometallurgical process, such as characteristics of the copper mine processed, type of furnaces applied, type of additives (or flux) added, and type of …
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Effect of steel slag in recycling waste activated sludge to …
In this paper, we reviewed steel slag treatment, recycling, and management in China. Although China's annual slag production reached more than 100 million tons, its utilization rate is only 29.5%.
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Slag recycling
The three most important trends for slag recycling relate to further investments in granulation plants for blast furnace slag, the increase in slag trading with separate …
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Slag Recycling
Contact Us. RG Recycling Group Ltd 631 Warwick Road Solihull B91 1AR. Email: info@rgrecyclinggroup Tel: +44 (0)121 709 5371. Enquiry. Your Name . Your Email* (required)
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Recycling of steel slag aggregate in portland cement concrete…
The C 2 S and C 3 S content are related to the alkalinity of steel slag. The higher the alkalinity, the more C 3 S in steel slag ... The recycling of steel slag has significant engineering, economic, and environmental benefits, and SSA concrete has been demonstrated as an efficient utilization. This paper reviewed the production, treatment ...
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Slag: From By-product to Valuable Construction Material
Recycling slag minimizes waste and disposal costs, reduces energy use, extends furnace life, and lowers the amount of additives needed to make slag. The concerns with slag recycling are that first, because slag can contain environmentally hazardous materials, it must be analyzed for elemental composition before reuse. …
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Environmental and Socioeconomic Impact of Copper …
well as a characterization of copper slag, with the aim of reusing and recycling the slag to benefit the environment and economy. Recycling methods are considered an attractive technological pathway ... smelter slag (copper slag), which comprises metals related to copper, e.g., nickel, zinc, iron, and cobalt [14–17]. Over the …
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Leaching behavior and occurrence of metal elements in copper slag…
Copper Slag (CS) is a solid waste produced during the industrial smelting of copper (Gorai et al., 2003).The current pyrometallurgical copper smelting process is mainly through the Ausmet furnace (Fig. 1); the furnace slag goes through the flotation process to obtain copper matter, yielding a composition of CS corresponding to 30–40 % of Fe, …
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A Review on Environmental Concerns and …
Considering global steel production of 1878 million tonnes in 2020, the associated slag by-products possess a significant resource of major components like …
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Investigation of thermal properties of blast furnace slag to …
Any improvement in the efficiency of energy recovery and recycling in the iron making process, including the recycling of the by-product slag, will have positive global implications, ... at 711 cm −1, is related to the symmetric stretching vibration of Si-O-Si, and 876 cm −1 is related to the asymmetric stretch of the AlO 4 −1 group ...
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Synergistic effect from combined use of scrap-recycling …
recycling slag with high Fe content with hydrated lime for soil remediation. Additionally, the name of the area where the contaminated soil was collected is not included in this study, as it is related to conicts of interest. Materials and methods Characterization of contaminated soils Two types of soil (L and H) were collected from the area ...
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Properties and microstructure of CO2 activated binder …
A CO 2 activated binder is developed by recycling phosphorous slag ... However, most related literature focuses on crystalline calcium silicates, while little on the poorly crystallized or amorphous calcium silicates. PHS is a solid waste produced during yellow phosphor manufacture using electric furnace. Its main chemical composition is ...
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Minerals | Free Full-Text | Effect of Al2O3 on the Structural
Water-quenched copper slag (WCS) modified with alumina (Al2O3) has been proven as a cement substitute; however, the effect of Al2O3 on structural properties of WCS related to pozzolanic activity has not been well investigated. The structural properties and the pozzolanic activity of WCS with different amounts of Al2O3 are characterized by …
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Slag recycling and reuse – GREENY approach
Slag recycling and reuse – GREENY approach. The global demand for raw materials is growing exponentially with the world's urbanization and technological progress. The growing raw materials consumption is an economical threat due to the increasing scarcity of critical materials, but also an environmental threat with increased amounts of ...
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