Effect of composite micro-powder added with α-Al2O3 and …
This article aims to illustrate the influence of the composite micro-powder of α-Al 2 O 3 and zirconium basic carbonate (ZBC) on the microstructure, mechanical and thermal properties, and slag resistance of corundum castable. The results show that the addition of the composite micro-powder to corundum castable sintered at 1550 °C …
(PDF) Effect of Cr-solidified/stabilized Water-quenched Slag …
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 ...
Review Use of steel slag as sustainable construction materials…
The use of steel slag as artificial fine aggregate is also a viable recycling strategy. KOBMS was first ground into powder and cast into specimens, followed by carbonation for 2, 8 and 24 h and then crushing into fine aggregates with a particle size of less than 5 mm (Ghouleh et al., 2017). The samples using the carbonated KOBMS as …
The impact of coal gasification slag powder on fluidity, …
Coal gasification slag (GS) is a potential pozzolanic industrial waste discharged during coal gasification. The study aimed to investigate the effect of finely ground GS powder on the fluidity, rheology and viscoelasticity properties of cement paste, which is essential for utilizing GS as a supplementary cementitious material for building …
Mechanical Strengths of Alkali-Activated Blast Furnace Slag Powder …
In this paper, the influence of water glass types, the modulus of water glass, the alkali content, the water consumption, and plant fibers on the mechanical strengths of alkali-activated blast furnace slag powder (BFS) is investigated. Moreover, the fiber types and pretreatment on the plant fibers and the measuring temperature on the performance …
Effect of Cr-solidified/stabilized Water-quenched Slag on …
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 application in slag cement. A process route for utilizing blast furnace slag to dispose of pickling sludge ...
The hydration properties of ultra-fine ground granulated …
Based on the fundamental principles of preparing reactive powder concrete (RPC), a new type of RPC was composed by replacing cement with the active powder component ultra-fine ground granulated blast-furnace slag (GGBS). GGBS is proposed as a potential alternative to silica fume (SF), which is currently the most commonly used RPC …
Preparation of ultrafine iron phosphate micro-powder …
2.2 Experimental method. Weigh a certain amount of purified phosphating slag in a beaker, add concentrated phosphoric acid (85.0 wt%), cationic surfactant (CTAB) and deionized …
Preparation of ultrafine iron phosphate micro-powder …
mastered the technology of phosphate slag to purify iron phosphate[5,8,25-26]. I have adopted a new method to purify and prepare iron phosphate micro-powder with smaller particle size. The purified and modified iron phosphate micro-powder has high dispersibility and can be used as catalyst[15,25], adsorbent and slow release fertilizer[26]
Modeling of Powder Production During Centrifugal …
The Centrifugal atomization process finds wide application in the production of sprays & droplets [] as well as polymer microspheres [], dry slag granulation [3, 4], …
Production process and investment cost of fly ash water slag micro
When fly ash water slag is mixed into concrete, it can reduce the volume expansion cracking of concrete caused by the thermal reaction of sand and stone in concrete. 3. There are more ettringite crystals in the fly ash water slag micro powder, which can reduce the porosity of concrete, reduce the penetration of chloride ions, and form an anti ...
Analysis and multi-objective optimization of slag powder process
Slag powder is a process with characters of multivariables, strongly coupling and nonlinearity. The material layer thickness plays an important role in the process.
Effectiveness of waste steel slag powder on the strength …
Semantic Scholar extracted view of "Effectiveness of waste steel slag powder on the strength development and associated micro-mechanisms of cement-stabilized dredged sludge" by Lei Lang et al. ... The silt in the Yellow River alluvial plain typically features low strength and poor water stability, and, thus, alluvial silt treatment …
Preparation and Performance of Ultra-Fine High Activity
The composite micronized powder is prepared by using blast furnace slag (BFS), water-quenched manganese slag (WQMS), manganese tailing slag (MTS) and …
Recycling lithium slag into eco-friendly ultra-high …
DOI: 10.1016/j.jobe.2024.109563 Corpus ID: 269692167; Recycling lithium slag into eco-friendly ultra-high performance concrete: Hydration process, microstructure development, and environmental benefits
Polyurethane reinforced with micro/nano waste slag as a
The process of grinding iron slag microparticles into iron slag nanoparticles powder was accomplished with the use of a high-energy ball mill. ... Polyurethane reinforced with micro/nano waste ...
Slag Micro Powder Processing Grinding Equipment
Slag micro powder is a kind of ultrafine powder material with a particle size of less than 45μm. It is made by grinding slag, a by-product of steelmaking, into a fine …
Performance of Ferronickel Slag Powder Soil Cement under …
Ferronickel slag is the solid waste slag produced by smelting nickel–iron alloy. After grinding ferronickel slag into powder, it has potential chemical activity. It can partially replace cement and reduce the amount of cement, and is conducive to environmental protection. The mechanical properties of soil cement were investigated …
Resource utilization of slag from desulphurization and slag …
1. Introduction. Steel slag is a by-product produced by the conversion of carbon-rich molten iron into steel in basic oxygen furnaces (BOFs) and electric arc furnaces (EAFs) during the steelmaking process, accounting for about 15 to 20 wt% of the crude steel production [1].The global steelmaking industry produced 1.8 billion tons of crude …
Micro-morphology and phase composition of lithium slag …
Recycling lithium slag into eco-friendly ultra-high performance concrete: Hydration process, microstructure development, and environmental benefits ... alkali equivalent, water-binder ratio, lithium slag replacement, and binder-sand ratio. Based on the results of 16 sets of fluidity and setting time experiments in the orthogonal tests, the …
Insights into the Valorization of Electric Arc Furnace Slags as
The transition to hydrogen-based reduction processes within the iron and steelmaking industry will generate new types of slag compositions that require valorization routes. Using slags as supplementary cementitious materials (SCMs) addresses the carbon dioxide emissions of the cement industry since the SCM requires neither calcination nor …
Steel slag in China: Treatment, recycling, and management
Many restrictions exist, however, on the utilization of steel slag. When steel slag is used internally, in steel plants, the most obvious problem is that of the enrichment of P and S (Drissen et al., 2009).The Bhilai Steel Plant in India was shut down because of its high S and P content (Das et al., 2007).The amounts of free lime and free MgO are …
Steel Slag
Depending on the raw materials or production process, steel slag can be categorized into basic oxygen furnace slag, electric arc furnace slag, and ladle furnace slag (Hussain and Hussaini, 2022). Table S1 presents the constituents of steel slag, which primarily consist of calcium, silicon, aluminum, and iron oxides. The main components of ladle ...
Comprehensive utilization of steel slag: A review
In this process, steel slag and slag were mixed in a certain proportion into the feed bin. The mixed materials were treated by v-selector, high-pressure roller, …
2023/sbm water slag micro powder process.md at master
2023 / sbm water slag micro powder process.md. shzy22 b2f4bd54cb 2023. 15:06:36 +08:00
Slag micron powder process technology solution
Future promotion prospects of the slag micro-powder process technology solution: This technology can digest industrial solid waste to produce slag cement micro-powder, turning waste into treasure. The process is green, environmentally friendly, efficient and energy-saving, and has certain promotion and application prospects.
Review Accelerated carbonation of steel slag: A review of …
Steel slag is a byproduct of the steelmaking process and can be categorized based on furnace types into basic oxygen furnace slag (BOFS), electric arc furnace slag (EAFS), and ladle furnace slag (LFS) [1], [32], as shown in Table 1.It can be seen that the main chemical composition of these types of steel slag includes CaO, …
In-situ visualization of high temperature slag corrosion process …
The content of Al 2 O 3 in the slag for high-Al containing steelmaking is rather high, and C/S ratio of the slag has a significant impact on the corrosion behavior of alumina-based refractory ceramics [59].Hence, the CaO–Al 2 O 3 –SiO 2 slags with different C/S ratios were chosen. Lime powder (analytical reagent; 98 wt% CaO), …
Applied Sciences | Free Full-Text | Mechanical Properties of Slag …
Homogenized micro-crack crushing can fully retain the bearing capacity of concrete pavement, but local weak road base needs to be reinforced before being directly overlaid with hot-mixed asphalt. Therefore, indoor tests were conducted to study the mechanical properties of slag-based geopolymer as a grouting material for weak road …
Comprehensive Utilization Technology of Steel Slag
Under the action of centrifugal force and the spray water, slag is scattered by water and condensed into small pieces and collected. ... process separation, and fine powder loop deironing ... Xu GP, Cheng HG et al (2014) Analysis on Chemical Composition,Micro-morphologyand Phase of Typical Steel Slag. Bulletin of the Chinese …