For instance, Huang et al. investigated the iron recycle from water quenching slag of copper smelting [24]. Ju et al. provides an approach towards utilization of water-quenched blast furnace slag for recovery of titanium, magnesium, and aluminum [25]. Zhang et al. reported an novel glass–ceramic material from the water-quenching …
In general, the activities of water-quenched blast-furnace slag and steel slag are higher than that of other metallurgical waste slags. In particular, the activity of steel slag is rapidly stimulated under an accelerated carbonization treatment. As well as grinding, other metallurgical waste slags can be used in combination with cement ...
A steelmaking waste, water-quenched slag (WQS), was employed as an alternative to river sand fabricating the AAC. The pull-out tests aimed at examining the bond performance of the AAC incorporating different volumes of WQS and embedded different reinforcements. ... Bond performance of corroded rebars in sustainable alkali-activated …
Semantic Scholar extracted view of "Effect of water quenched silicomanganese slag as fine aggregate on mechanical properties and microstructure characteristics of solid waste-based mortar and concrete" by Xinyu Feng et al. ... and hydration mechanism of a clinker-free ultra-high performance concrete with solid waste based binder and steel slag ...
At the end of the process, BFS can either be rapidly cooled with large volumes of water under high pressure to form water-quenched slag or through slow cooling in air to form air-cooled slag ...
PDF | On Jan 1, 2017, Xing-Mei Shen and others published Utilization of Air Quenched Steel Slag in Decorative Ceramics with Higher Mechanical Properties | Find, read and cite all the research you ...
Metallurgical solid waste blast furnace water quenched slag ... low cost and fast processing time in steel enterprises, seen in Fig. 1. WBFS is a fine particle mainly composed of vitreous body, porous, honeycomb like, light and brittle, with a Moh's hardness of 1–2 and a (naturally accumulated) specific gravity of 0.8–1.3 t/m 3 [31].
The water quenching granulation process, also known as the wet treatment process, is a process that uses a high-pressure water stream to quickly cool the blast …
The water quenching granulation process, also known as the wet treatment process, is a process that uses a high-pressure water stream to quickly cool the blast fur-nace slag in …
SEM mapping results indicate that all nutrient elements are evenly distributed in the water-quenched slag. In general, after ultrafast water quenching, the molten slag is transformed into microporous, multi-soluble matter and an amorphous structure [41,42], which is beneficial to the excitation of YPS to release the micronutrients.
A method of quenching and atomising the molten slag simultaneously under a high pressure water jet was investigated by Cang's group. 5 Experiments about cooling and pulverising the molten steel ...
Water quenched granulated BF slag is of glass phase structure, thereby has high potential cementitious reactivity, and has been widely utilized in cement and concrete areas. Steel slag has crystallized in solidified process due to its high basicity, and some crystals, such as C 2 S and C 3 S have low cementitious reactivity.
Steel slag can also be produced by smelting iron ore in a basic oxygen furnace. According to methods for cooling molten steel slag, steel slag is classified into five types: natural …
pressure water pressure. After water quenching, the slag is collected in a filtration pond via the slag flushing trench and water. The settled and treated water quenched slag is pumped out of the filtration pond with an electric grab as the final water slag. The bottom filtration method has the advantages of simple operation and simple ...
A Review on the Carbonation of Steel Slag: Properties, Mechanism, and Application. by. Shuping Wang. 1, Mingda Wang. 1, Fang Liu. 1, Qiang Song. 1, Yu …
This article presents an original study into the feasibility of using blast furnace slag and stainless steel pickling sludge to produce solidified/stabilized Cr slag micro-powder and its ...
1.1.2 The Lhasa method (RASA) The Lhasa method (RASA) water granulated slag treatment system was developed by Nippon Steel Pipe and the British trading company RASA and was first applied on blast furnace No. 1 at Fukuyama Steel Works in Japan [Citation 4].The principle of the RASA method is that after the blast …
In most cases, water quenching is accomplished at room temperature (15-25°C). If the water is not well agitated, then highly variable heat transfer can occur.
The reconstituted water-quenched blast furnace slag still has good activity, and it will not affect the further use of the slag after pyrolysis (BFS-P). Blast furnace slag, which is the main by-product of the ironmaking process discharged at 1450 °C, contains high-quality sensible heat, while oily sludge is the main solid waste produced in the ...
Water quenching is an umbrella term used to describe a heat treatment process in which a heated metal component is rapidly cooled by immersing it in a water-based quenchant. …
Therefore, we tried to activate the water-quenched-manganese-slag (WQMS) through the pretreatment method of calcination and additive calcination then mixed with KMnO4 (oxidation and absorption in ...
In this regard, Liu et al. performed a comparative evaluation of water quenched and dry granulated slag particles used as a substitute material in cement production. As a result, dry granulated slag was reported to have similar hydration properties with water quenched slag. ... In this regard they produced a calcium-rich …
Water quenched: Roslan et al. (2016) Malaysia: 26.4: 4.84: ... C 4 AF, and C 2 F, exhibiting cementitious performance when mixed with water. Therefore, steel slag can act as raw material for cement clinker production and as a potential mineral admixture for concrete at a proper replacement level (Wang and Yan, 2010; Li et al., ...
In this paper, S95 grade ultrafine mineral admixture was prepared by water quenched manganese slag and fly ash 1:1 compound mechanical ball milling to a specific surface area of 714 m2/kg. Its ...
Semantic Scholar extracted view of "An approach towards utilization of water-quenched blast furnace slag for recovery of titanium, magnesium, and aluminum" by Jinrong Ju et al. Skip to ... Basic research on the leaching behavior of vanadium-bearing steel slag with titanium white waste acid. Wei-guang Zhang Ting'an Zhang Tingting Li …
water quenching method: The liquid steel slag is crushed into small particles of steel slag using high-pressure water during the dumping process. Simple …
DOI: 10.2139/ssrn.4158349 Corpus ID: 250434785; Recycling of Water Quenched Slag and Silica Sand Tailing for the Synthesis of an Eco-Friendly Permeable Material @article{Liu2022RecyclingOW, title={Recycling of Water Quenched Slag and Silica Sand Tailing for the Synthesis of an Eco-Friendly Permeable Material}, …
In stainless steel production, slag from argon oxygen decarburization (AOD) converters is dumped on to the ground and then slowly cooled. The slag undergoes phase transformation from β-dicalcium silicate (β-C2S) to γ-dicalcium silicate (γ-C2S) at approximately 500 °C to 450 °C, resulting in slag volume expansion, disintegration, and …
Gas-quenched steel slag abrasive was obtained by gas quenching with high-temperature liquid steel slag as raw material. The phase composition, thermal properties, micromorphology, magnetic properties, and mechanical properties of the par- ... air quenching, roller, water quenching, and heat sealing [, 56]. Studies have found that …
Cement (CT): Conch P·O42.5 grade cement, produced in Xingan, Guangxi. UMA: Water-quenched manganese slag and fly ash are mechanically mixed at a ratio of 1:1 for 90 min (fly ash is taken from Guigang, Guangxi, and the water-quenched manganese slag is taken from Longda, Quanzhou, Guangxi); SF :Beijing. The chemical …
steel slag, this experiment uses cooled steel slag as the raw materials (as shown in Fig. 1), which are firstly re-melted in a small DC arc furnace and then used for the air-quenching process. The raw materials in this experiment are untreated converter steel slag and water-quenched BF slag provided by a local steel company. Steel slag is the
The adsorption capacity of seven inorganic solid wastes [air-cooled blast furnace (BF) slag, water-quenched BF slag, steel furnace slag, coal fly ash, coal bottom ash, water treatment (alum) sludge and seawater-neutralized red mud] for Cd2+, Cu2+, Pb2+, Zn2+ and Cr3+ was determined at two metal concentrations (10 and 100 mg L−1) …
Resource utilization of water-quenched blast furnace slag (BFS) for recovery of valuable metals such as titanium, magnesium, and aluminum are strategic issues for the iron and steel industry's ...
1. Introduction. Steel slag is the main solid waste generated in the steel-making process, accounting for 15 to 20% of crude steel output [1].China's crude steel output in 2021 was 1.035 billion tons [2], more than half of the global crude steel output (1.9505 billion tons) [3], and the steel slag output exceeded 120 million tons.In contrast, …
Although water-quenched blast furnace slag (BFS) has been used to produce slag cement for a long time, other slags such as air-cooled BFS and steel making slag are not used. The feasibility of using these types of slags has been disregarded due to the prejudgment that air-cooled slags (AS) are hydraulically unreactive.