— The iron and steel industry in China was developed with the urbanization process. A large amount of energy and sources were wasted in this process, which blocked not only the implementation of the energy conservation but also emission reduction policy [1, 2].Blast furnace slag (BFS) was the most major by-product generated by quenching …

 — For instance, copper slag from smelting can also be treated in a settling furnace which will further lower its copper content . A range of chemical compositions for …

 — Annually, hundreds of thousands of tons of slags are involved in the reverberator and flash smelting as well as converting operations of Cu-Fe sulfide concentrates to produce matte in the Sar …

 — This section describes the detailed slag crushing process based on the simulation results and then analyzes the slag crushing mechanism based on its crushing details. 3.1.1 Granulation Process. Wang et al. (2020a, b) investigated the mechanism of ligament fracture in the initial crushing process with the method of LES (level set) and …

 — The iron and steel manufacturing industries are fundamental to the economies of many countries (RSA Department of Trade and Industry, 2018). They provide the basic materials needed for the development and maintenance of infrastructures, vehicles, buildings, industrial facilities, and many other daily necessities (Ko, Chen, & Jiang, …

 — Huang et al. investigated the hydration properties and other characteristics of blended cements with electric arc furnace ferronickel slag (EFS) and blast furnace slag …

Copper slag is an industrial by-product material produced from the process of manufacturing copper. It has been estimated that approximately 24.6 million ton of slag is generated from world copper industry [1,2]. In the Sultanate of Oman, approximately 60,000 tons of copper slag is produced every year by Oman Mining Company.

Sulfurization Roasting of Copper Bottom-Blown Slag for … Experimental Procedure. The roasting experiments in this study were carried out in a resistance furnace (SXS-8-16) manufactured by the Xiangtan Mita Electric Furnace Company, and a schematic diagram of the experimental furnace is shown in Figure 3.To ensure uniformity and reproducibility of …

 — The pyrometallurgical industry plays a vital role in producing metals for our modern life. With growing demand of metals and declining grade of mineable ore, innovations become critical for many mining companies. It is necessary to conduct a review of recent improvements to the pyrometallurgical industry on analytical measurement …

 — Concrete is the most produced construction material in the world and has a close tie to carbon dioxide emissions. To reduce the gas pollution and resource drain of cement production and utilization, researchers have replaced some of the cement and natural aggregate content with industrial by-products such as steel slag, ferronickel slag, …

 — When it has fully solidified and then cooled somewhat, the slag (commonly known as air-cooled blast furnace slag or ACBFS) is excavated and transported away for further treatment (such as magnetic removal of any iron, or crushing and screening). Slag pits beside the furnace are most convenient but where space is restricted the liquid slag …

 — E. Crossin, The greenhouse gas implications of using ground granulated blast furnace slag as a cement substitute, Journal of Cleaner Production, 95 (2015) 101â€"108. [29] D. M. Sadek, Effect of cooling technique of blast furnace slag on the thermal behavior of solid cement bricks, Journal of Cleaner Production, 79 (2014) 134â€"141 ...

 — The trial brick specimens using 100 wt% copper slag replacement for sand not only satisfied all requirements of cement brick in the Korean standard (KS) F 4004, but also the TCLP regulation ...

 — Slag is not only required in the smelting process in the furnace, but also indispensable for secondary refining of steel, hot metal pretreatment, and steel continuous casting. The name of "slag" is not precise enough, but it is still being used. Slag that has been melted into a liquid state at high temperature is called dross.

 — High-temperature waste heat from the iron and steel industry, as shown in Fig. 1, are mainly stored in products, molten slag and waste gas [2].Molten slag, as a kind of by-product during the steelmaking process, is exhausted in extremely high temperature and thus, it carries a great deal of high-grade heat accounting for 10% of waste energy in …

 — During the pyrometallurgical extraction of copper, a significant source of copper loss is discarded slag. In 2021, the global smelter production of copper reached 21.4 million tons [], and the slag produced was approximately 2.2 tons per ton of copper [].The most considerable amounts of slag come from the smelting furnace and often have a …

Cu-inslag concentrations are minimized by: (a) maximizing slag fluidity, principally by avoiding excessive Fe3O4 (s) in the slag and by keeping the slag hot; (b) providing enough SiO2 to form distinct matte and slag phases; (c) providing a large quiet zone in the smelting furnace; (d) avoiding an excessively thick layer of slag; (e) avoiding ...

 — In some studies, it has been demonstrated that using a composite mineral admixture known as ground-granulated blast-furnace slag-steel slag composite binder …

 — The recovery value of electric furnace slag. The smelting plant produces a lot of electric furnace slag during the smelting process. The smelting of one ton of pig iron can produce 0.3-1 tons of electric furnace slag, and the smelting of one ton of anode copper can produce 5-6 tons of electric furnace slag.

2.1.1 Copper Slag Smelting copper slag produced by bottom blowing furnace is commonly used the local copper industry and is the material of study in this research. After crushing and grinding, a representative sample was selected for the experiment. The chemical composition of the copper slag is listed in Table 1, which indicates that the main ...

 — During the last few decades, the pyrometallurgical processes used for cleaning copper smelting slags have been steadily optimized. The electric furnace or rotary slag-cleaning furnace are now …

Blast furnace slag (BFS) is a by-product of iron manufacturing in blast furnaces fed by a mixture of iron ore, limestone, and coke [70,71]. In the manufacturing of iron, iron scrap, …

Carbon dioxide sequestration using steel slag—modeling and experimental investigation. Smitha Gopinath, Anurag Mehra, in Carbon Dioxide Sequestration in Cementitious Construction Materials, 2018. 4.1 Introduction. Steel slag is an industrial waste that is generated during the production of steel. In the production of steel, oxides of metal …

 — The performance of copper slag flotation is significantly improved through the proposed approach, which provides an idea for improving the recovery of copper slag flotation in the industry. CRediT authorship contribution statement. Wang Linsong designed experiment and validated the Investigation and wrote the paper.

 — Vega is a copper-gold property in the Omineca mining division and is at an early stage of exploration. An airborne magnetic survey outlined two structural corridors …

69.46%Al2O3 and 4.75%Ni were put in electro-furnace slag to simulate Nickel electro-furnace smelting raw material in a Nickel Company electro-furnace slag in order to investigate the effect of ...

 — Copper slag is an acid slag mainly composed of Fe 2 SiO 4 and CaFeSi 2 O 6, which is classified as solid waste in the copper smelting industry (Li et al., 2019). In China, 2.2–3.0 tons of copper slag were produced per ton of refined copper, and tens of millions of tons of copper slag were released into the environment every year ( Zhou et al ...

 — Copper slag, a waste solid produced in the copper smelting process, is a high-quality secondary resource with huge output. The recycling and utilization of copper slag is of great interest because it avoids the loss of valuable metals and the threat of harmful metals, and saves a lot of natural resources and energy. This paper firstly …

 — Investigations were carried out on the suitability of granulated blast furnace slag as a mold material for either full or partial replacement of existing silica sand in the foundry industry. The sodium silicate-CO2 process was adopted for evaluating the same. A series of sand tests were performed on silica sand and slag individually and in …

 — Looking at the merits and associated benefits, some of the top steel-producing countries have adopted or upgraded with a recycling technique of steel slags from time to time for various applications (as shown in Fig. 3), such as for road construction, soil enrichment, cement production, etc. Notably, recycling steel slag for a particular …