furnace slag based cement composed of ultrafine particles, designed for injection into loose soils, rock, concrete, and down-hole applications. MC-500 has a grain size of d ... Specific surface area of dry powder (Blaine): > cm10.000 cm/2g /g> 10.000 cm Installation A colloidal mixer is necessary for mixing MC-500. The order of addition to the tank

 — Alkali-activated slag (AAS) attracted wide attention in low carbon cementitious materials. In this study, superfine slag was activated by sodium carbonate (SC), and marble powder (MP) was also used.

 — Nonetheless, the use of steel-slag powder as a cement replacement material is still limited in quantity, because a large content of steel-slag powder in concrete mixtures may cause a negative ...

 — Calcium carbonate superfine powder with high purity was prepared from calcium carbide residue by a liquid phase process using ammonium chloride as extraction agent and ammonium carbonate agent. The effects of some factors on the reaction were investigated. ... Application of carbide slag in desulphurization of flue gas of large-scale ...

 — 1. Introduction. Steel slag is a by-product of steel manufacturing [].Approximately 160 kg of steel slag is generated per ton of steel produced [].The common chemical compounds in steel slag are …

 — Initial setting time gets delayed with the inclusion of 30% of regular blast furnace slag compared to superfine blast furnace slag with the same replacement percentage [107]. Choi et al. [108 ...

 — Zhao et al. [21] have proven that the addition of superfine slag decreased the setting time of blended binder and strongly enhanced the mechanical strength of hardened backfill. Hence, the fineness of slag is critical to its activity, which also affects the rate of alkaline activated reaction [21]. However, few studies have been conducted to ...

 — The influence of superfine blast furnace slag content of the composite mixture on the mortar and concrete was investigated. The results show that the …

al.'s report [8]. Superfine steel slag powder with specific surface area of 610 m2 /kg from Anshan, Liaoning Prov-ince, China. Chemical composite on of light - burned MgO and superfine steel slag powder analyzed by X - ray fluoresceence spectrometer were presented in Table 1. The magnesium oxysulfate (MgSO 4 ·7H 2 O) employed

 — DOI: 10.1016/J.CONBUILDMAT.2015.02.062 Corpus ID: 135798607; Preliminary investigation on the pozzolanic activity of superfine steel slag @article{Shi2015PreliminaryIO, title={Preliminary investigation on the pozzolanic activity of superfine steel slag}, author={Yan Shi and Hailong Chen and Jia Qing Wang and Qi …

 — Superfine particles have been used as mineral admixtures to enhance physical properties, mechanical properties, and durability of concrete in a lot of research. …

 — Steel slag is generally regarded as a supplementary cementitious material in cement-based materials, which is conducive to the realization of the goal of carbon peak and carbon neutralization. However, the lower cementitious activity and poorer volume stability of steel slag limit its high dosage in cement-based materials. In this paper, steel …

obvious when the superfine blast furnace slag powder content is between 10 and 50%. But when the superfine blast furnace slag powder content is over 50%, the strength of …

This paper mainly studies the substitution effect of the superfine powder on cement after the use of superfine powder in concrete. The experiment shows that the superfine phosphor slag powder can significantly improve the performance of C60 high-performance concrete and has an important role in the retention value of 1h slump. The incorporation of …

 — For the pastes containing PCEs, (i.e., S30--S), the powder PCEs should be pre-dissolved in water. The pastes were mainly used for hydration product analysis. ... Mechanical and hydration properties of low clinker cement containing high volume superfine blast furnace slag and nano silica. Constr. Build. Mater., 238 (2020), Article 117683. …

 — Niu et al. [19] discussed the porefilling capability of superfine slag in cement paste. It is reported that the use of superfine slag decreased the presence of voids and …

 — The activity index of superfine steel slag (D 50 = 2.52 μm) can reach up to 95.0% which is much higher than that of ordinary steel slag powder (D 50 = 13.3 μm). For blended cement with 10% weight ratio of superfine steel slag ( D 50 = 5.10 μm) as a replacement, cement mortar exhibits higher compressive strength at 28 days than that of …

DOI: 10.1016/j.powtec.2020.07.052 Corpus ID: 225579091; Experimental study on the utilization of steel slag for cemented ultra-fine tailings backfill @article{Zhao2020ExperimentalSO, title={Experimental study on the utilization of steel slag for cemented ultra-fine tailings backfill}, author={Yingliang Zhao and Zhengyu Ma and J …

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The particle size distribution (PSD) of the dense packing powder and that of actual cement powder was analyzed to explain the packing effect of superfine powder. The degrees of …

 — Furthermore, superheated steam could remove moisture from the raw materials (destroying the liquid bridge) and remove the heterogeneous charge carried by the powder during the collision, which would improve the dispersion of the superfine powder [39], [40]. In fact, superheated steam can be produced by industrial waste heat from coal …

 — Superfine particles have been used as mineral admixtures to enhance physical properties, mechanical properties, and durability of concrete in a lot of research. In this study, superfine steel slag (FSS) and superfine phosphorus slag (FPS) were ground to 643 and 657 m2 kg−1, respectively. The water-to-binder (W/B) ratios were set as 0.45 …

 — Steel slag has great potential as a supplementary cementitious material, because its composition is similar to cement and it has a certain cementitious activity after grinding it into micronized powder [[11], [12], [13], [14]].However, the low hydration activity of steel slag compared to cement limits its application [15], [16], [17], and the reasons for …

 — Effect of superfine slag powder on cement properties. Cem. Concr. Res. (2002) S.H. Liu et al. Study on the grinding kinetics of copper tailing powder. Powder Technol. (2018) ... Effect of environment conditions on volume deformation of blended cement mortars containing blast furnace slag and steel slag powder. 2024, Journal of …

 — DOI: 10.1016/J.JOBE.2021.103121 Corpus ID: 238689561; Compressive strength and hydration process of sodium carbonate-activated superfine slag/marble powder binders @article{Du2021CompressiveSA, title={Compressive strength and hydration process of sodium carbonate-activated superfine slag/marble powder binders}, …

 — A composite mineral admixture was prepared by steel slag and superfine blast furnace slag. The influence of superfine blast furnace slag content of the composite mixture on the mortar and concrete ...

 — The hydration products, microstructures and pore structures of paste with part of Portland cement replaced by superfine phosphoric slag were investigated by XRD, DTA and SEM in this article.

 — A composite mineral admixture was prepared by steel slag and superfine blast furnace slag. The influence of superfine blast furnace slag content of the composite ... Preparation of sustainable and green cement-based composite binders with high-volume steel slag powder and ultrafine blast furnace slag powder. Yu Liu Zengqi Zhang G. Hou …

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 — Steel slag is generally regarded as a supplementary cementitious material in cement-based materials, which is conducive to the realization of the goal of carbon peak …