tion of gas-quenched steel slag abrasives in grinding and a new direction for the high added value utilization of steel slag. 2 Experimental 2.1 Maerials t and preparation Steel slag was obtained from a steel plant in China. The chemical compositions of the steel slag and gas-quenched (GQ) steel slag abrasive were determined using the chemi-
WhatsApp: +86 18221755073The 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 furnace slag in the molten state to produce amorphous slag. Methods for water …
WhatsApp: +86 18221755073The cooling measures (such as, air-cooled, water and air quenching, and steam quenching) impact the crystallization process of minerals in iron slag. The rapid cooling process (e.g., water ...
WhatsApp: +86 18221755073This 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 ...
WhatsApp: +86 18221755073In 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 ...
WhatsApp: +86 18221755073Factors affecting flotation of water-quenched slag from a copper smelting plant in Hubei province,such as grinding fineness,pulp density,pH value and the reagent system,were studied.The results indicate that the best flotation efficiency was obtained with a grinding fineness of 95%-0.074 mm,a pulp density of 30%,a pH value of 7.0 and reagent …
WhatsApp: +86 18221755073DOI: 10.1016/j.jclepro.2020.121354 Corpus ID: 216210982; Utilisation perspective on water quenched and air-cooled blast furnace slags @article{Tripathy2020UtilisationPO, title={Utilisation perspective on water quenched and air-cooled blast furnace slags}, author={Sunil Kumar Tripathy and Jayalaxmi Dasu and …
WhatsApp: +86 18221755073DOI: 10.1016/j.istruc.2020.01.007 Corpus ID: 213905294; Bond performance of reinforced alkali-activated composites using water-quenched slag as alternative fine aggregates @article{Cong2020BondPO, title={Bond performance of reinforced alkali-activated composites using water-quenched slag as alternative fine aggregates}, author={Xinyu …
WhatsApp: +86 18221755073Fortunately, nutrition in the molten slag can be activated via the subsequent water quenching. The main chemical compositions of the slag are 1–2% P 2 O 5, 30–45% SiO 2, 40%−50% CaO, and other micronutrients. After water quenching, the activation efficiencies of P, Ca, and Si are as high as 78.28wt %, 90.03wt %, and 77.12wt %, …
WhatsApp: +86 18221755073Water quenched slag (WQS) as fine aggregate in alkali-activated material (AAM). ... [49];industrial by-products such as bottom ash and steel furnace slag have been studied as aggregates [50], [51]; the shear behaviour and mechanical properties of geopolymer concrete modified with oil palm shell have been studied in certain areas [52]. ...
WhatsApp: +86 18221755073A mineralogical study of water quenched copper-containing slag was carried out with XRD, SEM, chemical analysis, etc. Fayalite is the major phase and copper exists in matte in the slag.
WhatsApp: +86 18221755073The rapid cooling of melted SMS by water quenching produces porous particles (0.16–5 mm) called water quenched silica manganese slag (WQSMS). The current research focuses on the use of WQSMS as a ground SMS micro-powder to partially replace Ordinary Portland cement [ 8, 9 ] as supplemental cementitious material …
WhatsApp: +86 18221755073The gas-quenched steel slag abrasive is uniformly distributed as a single regular ball and has a single-particle compressive strength of 34 N. 2. The magnetic susceptibility of the gas-quenched steel slag abrasive is 86.66, and the hysteresis loop is an S-shaped closed curve, which indicates ferrimagnetism.
WhatsApp: +86 18221755073For 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 …
WhatsApp: +86 18221755073Figure 2: Cooling rate curve for a 25 mm diameter stainless steel probe quenched in 55°C water at different velocities. thermalprocessing 23 AGITATION Agitation is particularly important in water quenching because of the very stable vapor phase. The purpose of agitation is to wipe the
WhatsApp: +86 18221755073In order to effectively improve the environmental problems caused by steel slag stacking, the air-quenching process of molten steel slag was carried out, and the properties of the air-quenched steel slag (AQSS) has been investigated by various characterization methods. The results show that the main phases of AQSS were …
WhatsApp: +86 18221755073For example, in the city of Yingkeluowa, Mexico, an industrial factory building was built by backfilling a 5.5 m deep foundation with steel slag. However, after six years of use, the floors bulged 20–250 mm, pillars shifted up 20–200 mm, and the entire building was cracked and destroyed. ... slag with different cooling rates and showed that ...
WhatsApp: +86 18221755073The melt (normally 1600–1700 °C) formed by chromium slag and coal ash was discharged and water-quenched into glass frit by circulating water. In the pilot trial the processed glass frit was fired to glass-ceramics since the utilization of chromium slag in cement have been forbidden in China (whether detoxified or not).
WhatsApp: +86 18221755073Water quenching blast furnace slag (WQBFS) is widely produced in the blast furnace iron making process. It is mainly composed of CaO, MgO, Al2O3, and SiO2 with low contents of other metal...
WhatsApp: +86 18221755073Resource 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 long-term development. This study proposed a sustainable strategy for simultaneous Ti, Mg, and Al extraction from water-quenched …
WhatsApp: +86 18221755073A water-quenching process is necessary to the formation of WQS particles, for the sake of cooling down, liquated blast furnace slag at more than 1400 ℃ was dumped into a river. The water-quenching process generated a mass of activated compositions and enhanced the stiffness of the slag.
WhatsApp: +86 18221755073In order to effectively utilize the resources and energy of molten steel slag, the variation of precipitation phase and specific heat of air quenched steel slag (AQSS) particles during continuous cooling process was investigated by FactSage and thermogravimetry differential scanning calorimetry. The cooling and solidification …
WhatsApp: +86 18221755073Liquid blast furnace slag cooling regimes traditionally include air-cooling, granulating (wet), expanding, and pelletizing, and result in four distinct types of blast furnace slag: air …
WhatsApp: +86 18221755073Glass ceramic s were fabricated with powder sintering technology at a low temperature (900°C), using water-quenched titanium-bearing blast furnace slag (WTS) and waste glass as the primary raw …
WhatsApp: +86 18221755073well, i bottled out today and made a shorter (6 1/2") tanto for my first water quench, normalised three times, clayed it up, brought it up to non mag and held it for about 60 seconds, and quenched into warm water. did an interrupted quench, but my heart was beating so fast i think my count of three may have gone by a bit quick, then out and in …
WhatsApp: +86 182217550731. 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, …
WhatsApp: +86 18221755073The water absorption of steel slag was between 2.0 and 3.31%, the crushing index was approximately 21%, and the soundness index evaluated by the mass loss after immersed in the sodium sulfate …
WhatsApp: +86 18221755073Semantic Scholar extracted view of "Utilisation of water quenched slag as fine aggregate in alkali activated mortar" by X. Cong et al. ... Utilisation of steel furnace slag coarse aggregate in a low calcium fly ash geopolymer concrete. M. Khan A. Castel A. Akbarnezhad S. Foster M. Smith. Materials Science, Engineering. 2016; 102.
WhatsApp: +86 18221755073DOI: 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}, author={Jianlei Liu and …
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