Introduction. As an important primary energy source, coal is irreplaceable in the short term [1]. In the process of coal mining, in addition to mining coal, will produce a certain amount of solid waste, such as coal gangue, slag powder, tailings and coal combustion produced by the fly ash, these solid waste of serious pollution of the coal mine environment, and may …
This paper delves into the impacts of steel slag powder (SSP) and ground granulated blast furnace slag (GBFS) on the workability, compressive strength, conductivity, …
Although steel slag powder has a great potential application as supplementary cementitious materials (or called mineral admixture) of cement and concrete, its hydration activity is low compared with cement, because it has low proportion of C 3 S, most of stable form of C 2 S (i.e., γ-C 2 S) and dense structure. This leads to the low cement's ...
It shows that the steel slag powder after CO 2 fixation is beneficial to the early hydration process. The monitoring of long-term performance found that the low-carbon auxiliary cementitious material prepared by the synergistic CO 2 fixation of bacteria and steel slag powder has greater application potential in cement-based materials.
Feasibility of pretreated steel slag for asphalt pavement application and risk assessment of hazardous substance leaching. Author links open overlay panel Jia Sun a ... The specimens were prepared using the KBr-pressing method before testing. First, aggregate powder of up to 0.075 mm was mixed and ground according to a mass ratio of aggregate ...
Application News Slag Powder Analysis by EDXRF Slag can be easily analyzed by simply setting it into a sample cell. Additional calculations based on the quantitated values, such as basicity, can also be included in reports. By press molding samples, fluorine (F) can also be analyzed (EDX-8100).
In order to determine the prospect of the application of modified steel slag in CSS. ... Different carbon treatments for steel slag powder and their subsequent effects on properties of cement-based materials. J. Cleaner Prod., 362 (2022), 10.1016/j.jclepro.2022.132407. Google Scholar.
Regarding the mechanism of naphthalene-based water reducer in slag-based geopolymer, naphthalene-based water reducer is adsorbed on slag powder particles, then the particles are dissipated by electrostatic repulsion. However, regarding the mechanism of PCA, the lateral chains still remain bound.
China began to use slag powder in the mid-1990s. After nearly 20 years of promotion and application, slag powder use has become popular. Today's high-speed railways and large-scale cross-river bridges are almost always mixed with slag (slag product applications) powder when formulating high-performance concrete.. The slag powder suitable for high performance …
Used in combination with Super-plasticizer admixture, steel slag powder can lead to economical high performance concrete for highway pavements with enhanced durability and …
Utilizing treated steel slag as coarse/fine aggregate in concrete production is a high-value solution that can alleviate the worry about resource depletion and solve the …
The addition of steel slag powder improved the shrinkage performance of SSCSM, and the mechanical properties and heavy metal ion leaching concentration of SSCSM meet the engineering application requirements when the steel slag powder replacement level does not exceed 30 %. It was also found that the addition of steel slag powder promoted the ...
The invention relates to application of superfine slag powder as a 3D (three-dimensional) raw material, wherein the grain diameter of the superfine slag powder is not larger than 200 microns. The used raw material is low in cost and wide in source, and the production cost can be effectively reduced, so that the economic practicability is organically combined with …
This study provides theoretical and practical reference value for the application of USP in impact-resistant structural materials and static load-bearing materials. It also fully utilizes waste materials to reduce the use of cement and achieves environmental benefits of carbon reduction. ... Ultrafine slag powder cement paste (USP-CP) is a ...
This paper delves into the impacts of steel slag powder (SSP) and ground granulated blast furnace slag (GBFS) on the workability, compressive strength, conductivity, and microstructural characteristics of magnesium phosphate cement (MPC). The findings reveal that the incorporation of mineral admixtures ranging from 10 % to 30 % enhances the fluidity of MPC.
For the application of steel slag to wet desulfurization, studies have been carried out. Ding Xilou et al. [6] ... MnO in steel slag ultrafine powder can promote the catalytic degradation of formaldehyde by activated carbon [26]. The improvement of formaldehyde degradation performance of steel slag modified activated carbon is the result of the ...
The filtration performance evaluation of composite filter material mainly includes pure water flux test and 30 wt% concentration (mass concentration) slag powder filtration performance test. The chemical composition of slag powder is mainly CaO, SiO 2, Al 2 O 3, SO 3, Fe 2 O 3 and MgO. The test device was adopted by the dead-end filtration system.
Lubrication and Heat Transfer: The liquid casting slag flows into the gap along the mould's meniscus and is rapidly cooled by the copper plate, leading to the quick formation of a slag film (solid ...
Kartikey Biotech - Offering low price Lead Slag Powder Application: Industrial in Sayan, Surat with product details & company information.
Slag micropowder replaces the amount of cement in concrete and cement products for various purposes in equal amounts, which can significantly improve the comprehensive performance of concrete and cement products, such as increasing strength and reducing bleeding. Processing materials: slag; gypsum; cement fuel. Capacity: 55-60T/H. Feed size ...
The composite mineral admixture of steel slag powder and blast furnace slag mixed into concrete will greatly improve the performance of concrete, show synergy and mutual activation, and can ...
Steel slag is a by-product of the steel industry and usually contains a high amount of f-CaO and f-MgO, which will result in serious soundness problems once used as a binding material and/or aggregates. To relieve this negative effect, carbonation treatment was believed to be one of the available and reliable methods. By carbonation treatment of steel slag, the …
Ground Granulated Blast Furnace Slag (GGBFS) GGBFS is a byproduct of the ironmaking process in blast furnaces. It is formed when molten slag is rapidly cooled using water, resulting in a glassy, granulated material. When ground into a fine powder, it exhibits cementitious properties and can be used as a supplement…
The objectives of this research are: (1) to examine the influence of using steel slag micro-powder UHPC on the performance of steel tube UHPC composite members; (2) to analyze the failure mechanisms and load–deformation characteristics of the short column specimens; and (3) to develop a calculation method for predicting the axial compressive ...
Long-term and accelerated swelling of steel slag-glass powder and steel slag-fly ash mixtures as sustainable geo-materials. Author links open overlay panel Irem Zeynep ... Several research studies explored the use of steel slag in unbound applications; in base/subbase layers and as geotechnical fill in embankments (Yildirim and Prezzi, 2015a ...
Good uniformity of material properties, high alkalinity, and excellent thermal stability of SSP give it some advantages in its application in asphalt concrete.
In this study, composite blast furnace slag powder (CBFS) was prepared by using RM, FA, DG, ... Study on the development of inorganic polymers from red mud and slag system: application in mortar and lightweight materials. Constr. Build. Mater., 156 (2017), pp. 486-495.
The analysis results indicate that the incorporation of steel slag powder (SSP 3) may have adverse effects on the initial setting time, volume stability, compressive strength, and durability of concrete. However, these issues can be mitigated through aging processes and high-reactivity SCMs. ... The application of steel slag aggregate (SSA) as ...
Current status of slag powder measurement Industrial slag powders such as fly ash, slag powder, steel slag powder, carbide slag powder, etc. have been widely used in cement production as raw materials or mixing …
As an important primary energy source, coal is irreplaceable in the short term [1].In the process of coal mining, in addition to mining coal, will produce a certain amount of solid waste, such as coal gangue, slag powder, tailings and coal combustion produced by the fly ash, these solid waste of serious pollution of the coal mine environment, and may even …