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Durability of concrete made with manganese slag as …

Concrete made with Mn slag as supplementary cementitious materials (SCMs) exhibits very low strength loss and weight loss in the synthetic seawater corrosion …

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Durability of concrete made with manganese slag as …

Concrete made with a w/cm ratio of 0.35, the abrasion erosion rate was the minimum for the 45% slag content namely, such a concrete has the best abrasion erosion resistibility. Read more Article

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A review on characteristics of silico-manganese slag and its

Manganese slag can also be used as a binder and aggregate in Portland cement and concrete, thus improving the mechanical strength and enhancing the properties of the concrete (Nath et al., 2022 ...

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Effect of Chemical Treatment on Silicon Manganese: Its

The effect of chemical treatment on silicon manganese slag and the effect of curing time on the compressive strength of completely replacement coarse aggregate silicon manganese concrete (SMC) relative to normal weight concrete (NWC) with gravel as coarse aggregate is the subject of this paper. Alkali and acidic base chemicals are used …

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Silicomanganese slag: Hydration mechanism and leaching …

1. Introduction. Supplementary cementitious materials (SCMs) have become an indispensable part of modern cement and concrete for enhancing the performance of cement and concrete [1].More importantly, SCMs can effectively replace the amount of clinker in cement and concrete, then reduce CO 2 emissions from the cement industry …

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Influence of weld slag aggregate in high-performance concrete

This work concentrates on the utilisation of weld slag (slag left after the welding process) as fine aggregate in high-performance concrete (HPC) (70 MPa). The chemical and physical ...

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Preparation of Baking-Free Brick from Manganese Residue and

The utilization of manganese slag is not only environment friendly, but also economically feasible. In the current work, a summarization of the main methods to produced building materials from manganese slag materials was given. ... Y. Wang, Y. S. Gao, L. Hengbo et al., "Water quenching manganese slag high performance concrete and preparation ...

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Development of alkali activated cement from

Silico-manganese (SiMn) slag has been used to develop alkali activated cement binder. The reactivity of SiMn slag was altered by mechanical activation using eccentric vibratory and attrition mill. The reaction kinetics during alkali activation of SiMn slag and structural reorganization were studied using isothermal conduction calorimetry …

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Performance of Concrete Made with Manganese Slag

In the paper, ordinary Portland cement was replaced partly by manganese slag to then evaluate manganese slag' effect on mechanical …

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Mechanical Performances of Concrete Made with …

It is of great importance to innocuity, minimization and reutilization of manganese slag generated in manganese product by electric furnace process. In the paper, ordinary Portland cement was replaced partly by …

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Feasibility of silicomanganese slag as cementitious material and …

This paper reviews the potential use of silico-manganese slag (SiMnS) as binder and aggregate in Portland cement and geopolymer concrete. SiMnS is a byproduct of alloy steel production.

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Silicomanganese slag: Hydration mechanism and leaching …

Hydration activity and heavy metal ions leaching behaviors should be considered simultaneously when metallurgy slags were utilized as SCMs. Silicomanganese slag (SMS) is a by-product discharged in the process of SiMn alloy production. About 1.2–1.4 tons of SMS are produced when producing one ton of SiMn alloy [8], [9], [10], it is …

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Ground Granulated Blast Furnace Slag | SpringerLink

Abstract. Ground granulated blast furnace slag (GGBS) is a by-product from the blast-furnaces used to make iron. Blast-furnaces are fed with controlled mixture of iron-ore, coke and limestone, and operated at a temperature of about 1,500°C. When iron-ore, coke and limestone melt in the blast furnace, two products are produced—molten iron ...

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(PDF) Study on the leaching toxicity and performance of manganese slag

In this paper, lime and fly ash were used as stabilizers and cement was used as curing agent to stabilize manganese slag, and the stabilization effect of Mn and Pb in manganese slag was studied ...

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Mechanical and durability performance of marine sand and …

The first method is the usage of mineral admixtures in concrete, such as silica fume, slag and fly ash, to decrease the deterioration of concrete in seawater by improving the compactness of ...

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Potential of Ferro Chrome Slag as Construction Material

Manganese Slag with Standard Limits as Per IS: 10500* and WHO Standards** ... and mechanical properties of Portland cement concrete pavements (PCCP) made with this slag as aggregate, according to ...

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Performance of Concrete Made with Manganese Slag

Performance of Concrete Made with Manganese Slag October 2011 10.4028/ Authors: Duo Qiang Liang Feng Qin Xu Guang Li Ji Bo Jiang Request full-text Abstract It...

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Effect of Chemical Treatment on Silicon Manganese: Its …

In contrast, Figure 2 (c) depicts a slight crack between the silicon manganese slag and ordinary Portland cement used by SMC. The smooth surface of silicon manganese slag slipped, transferred, or moved due to the load added to it during the compressive strength test, which was also a typical failure in many forms of concrete …

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Performance of Encased Silica-Manganese Slag Stone Columns …

The stone columns were prepared by placing the silica-manganese slag, sand and were reinforced with geotextile with different encasement lengths of D, 2D, 3D, and 4D (D is the stone column diameter; i.e., 5 cm). The tests demonstrated that the engineering behavior of the soil was improved by introducing the silica-manganese slag …

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Study on the engineering properties of concrete made of …

These 525 concrete samples were made by partially replacing cement with silico-manganese slag (0–40 %) and polypropylene fiber. ... to use FA as a substitute for cement and fine aggregate in concrete and how it affects the mechanical and structural performance of modified concrete. In this view, the current study provides an overview …

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Synergic effects of electrolytic manganese residue-red mud-carbide slag

Clinker, blast furnace slag (BFS) and electrolytic manganese residue (EMR) were used to make the cement-based cementitious material (CCM) in this research. The activation effect of EMR with different content on the early activity of BFS was studied. The mechanical properties were analyzed by cement mortar test.

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Blast Furnace Slag

10.2.2 Blast furnace slag. Blast furnace slag (BFS) is a by-product from iron production in blast furnaces, which are fed by a mixture of iron-ore, coke and limestone. In the process, the iron ore is reduced to iron while all remaining materials form the slag, which is tapped off as a molten liquid and cooled.

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Mechanochemical modification of electrolytic manganese residue

In summary, the production and utilization of EMR in the production and utilization of cement raw materials and the production of fertilizers have certain problems in the actual application process, and they cannot achieve the harmless and resourceful disposal of bulk solid waste-manganese slag (Shu et al., 2019b).

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Manganese Slag

The ground manganese slag has an angular shape as it results from the breakage of larger, brittle particles, and contains the mineral phases α′-C 2 S, C 3 MS 2, CaO·MnO·2SiO 2 …

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Ferro-silico-manganese production from manganese ore and …

The XRD analysis of the copper smelting slag sample shows that the slag is amorphous (Fig. 1).The XRD analysis of the manganese ore indicates that pyrolusite (MnO 2) and Quartz (SiO 2) are the dominant crystalline phases in the ore (Fig. 2).The chemical composition of the slag from the XRF analysis is listed in Table 1.The iron in the slag is …

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Performances of Manganese Slag Cement

The obtained experimental results showed that the manganese slag cement replaced by 2~6%( wt) manganese slag has better road performance such as mechanical properties, hydro-abrasive erosion and ...

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(PDF) Re-Use of Silico-Manganese Slag

The results obtained with a leaching method to recover manganese from slag shows two efficient ways to valorize manganese from solid fraction (54%) with size particles between 80 and 315 m and/or ...

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Preparation and Characterization of the Functional Properties of …

Frias M. et al. showed that adding 15% of SM slag into Portland cement effectively improved the seawater erosion resistance of concrete, suitable for the concrete admixture of offshore buildings. Ting M. et al. [ 16 ] used silico-manganese slag, seawater, and sea sand as raw materials to prepare concrete and evaluated the durability of the ...

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Manganese Slag

Manganese slags have been assessed as potential supplementary cementitious materials for partial replacement of Portland cement, although its effectiveness is affected by the content of MnO in the slag. 90,92 Péra et al. 93 characterized five manganese-rich slags from the ferroalloys industry, identifying that increased contents of MnO inhibited early …

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Re-Use of Silico-Manganese Slag

Byung Su Kim et al. [20] recovered about 20% of the manganese from silicomanganese slag at 6000 Tesla magnetic field by the physical separation method, and their purpose was the utilization as resource of manganese for manufacturing silicomanganese alloy. In other studies, Alexandrov and al. [21] improved the recovery of …

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Effects of steel slag on the microstructure and mechanical …

1. Introduction. Steel slag (SS) is a by-product of the steel-making process, and about 150 kg of SS is produced during the manufacture of 1 t of steel [1, 2].In contrast to developed countries, the utilization rate of SS in China is only about 10% [3].Steel slag can be disposed in road construction, cement production and other fields, but due to the …

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The performance of steel-making slag concretes in the …

Concrete CEAF2 was slightly stiffer under compression loads (over 5%) than CEAF1, the slag aggregates of which are, in addition, 85% more porous than EAF2. The …

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Analysis of Basic Physical and Chemical Characteristics of Manganese

1. Introduction. Electrolytic manganese metal is an important metallurgical and chemical raw material, which is widely used in metal alloys, electronic devices, power batteries, construction, sewage treatment, pharmaceuticals, and other industries [1,2,3,4].It is an important basic material and national strategic resource in the national economy [5,6].

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Properties of silicon manganese slag as an aggregate for concrete

Moreover, the research on water-quenched manganese slag has been used in cement materials, wall materials, glass-ceramic materials, ordinary or high-strength concrete [3,5], and fly ash is also ...

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