JSW: Development of construction sand from waste steel slag
Development of construction sand from waste steel slag
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The properties and mechanism of microbial mineralized steel slag bricks
1. Introduction. Steel slag is a major by-product of the steel refinery process [1].And the amount of it is generally 12–20% of crude steel production [2].Chinese steel production is expected to reach 8.14 million tons, with an annual output of more than 120 million tons of steel slag, and it is predicted that the steel slag would remain rapid growth within …
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Study on the performance and reaction mechanism of alkali …
Utilizing clay brick steel slag, and fly ash as precursor to prepare sustainable alkaline-activated materials. ... Song [24] attempts were made to alkali-activate fly ash-steel slag, and it was found that when the substitution rate of steel slag for fly ash was between 20%− 50%, the compressive strength at 28 days decreased significantly with ...
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How BSRM turns steel waste into eco-friendly …
According to BSRM, steel slag is better as construction materials because its water absorption capacity is 2% against 13% for brick aggregate. The average price per cubic foot of brick aggregate is Tk120, stone …
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Study on Interaction Behavior of Cerium Oxide Containing Slag …
The aim of this study is to explore the interaction behavior of slag containing 5.59 wt pct Ce2O3 with MgO-C refractory bricks at high temperature and its comparison with slag without Ce2O3. Slags under consideration were byproduct generated during steelmaking process in an induction furnace. Slag without Ce2O3 has exhibited a greater degree of penetration into …
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The Properties of the Microbial Carbon Sequestration Brick Made …
The optimal slaked lime/steel slag (SL/SS) ratio for the microbial carbonated brick made of steel slag-slaked lime mixture is 0.3. The microbes in the brick were able to survive in the high alkali environment of Steel Slag-slaked Lime Mixture for a period of time, and maintain the enzyme activity. The XRD and pore structure analyses indicate ...
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Microstructure and mechanical properties of CO2-cured steel slag brick …
The steel slag brick after CO 2 cured for 30 min exhibited good volume stability under the steam curing testing conditions at 3 MPa, ... For bricks made of 1.5 μm steel slag, the porosity was 41.1% after 30 min of carbonization, and the decrease ratio of the porosity from 30 min to 7d was 12%. This was also consistent with the above strength ...
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Autoclaved Brick from Steel Slag and Silicon Tailings
The load-bearing brick is made from steel slag and silicon tailings by pressing and autoclaving process. Because of the volume stability, steel slag was ground to above 320 m2/kg and wet cured in ...
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Bricks made from waste steel (T365) and iron mining (IOT) …
The main goals of this work were to verify the potential of reuse of steel slag and iron ore tailings as secondary raw materials to produce solid brick and to evaluate whether this application can ...
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Trash to treasure: Turning steel-mill waste into bricks
It showed existing commercial equipment could be used to make bricks with Waelz slag, and eased concerns about large amounts of potentially toxic metals leaching out …
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Strength Properties of Sustainable Mortar Containing Waste Steel Slag …
The outcome of this research may help designers to optimize their cementitious materials with the inclusion of steel slag and clay brick power, which can further help in achieving the ... (> 500 °C), the reduction in mechanical strength was greater for concrete made with fine slag aggregate than NS due to the higher internal cracks and ...
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UTILISATION OF CERAMIC TILE WASTE AND STEEL …
Virtually all steel is now made in integrated steel plants using a version of the basic oxygen process or in specialty steel plants (mini-mills) using an electric arc ... Table 5 Water absorption of of sun dry steel slag brick SI % of No. Specimen Weight before Absorption f water (W 1) g Weight after Absorption of water (W 2) g Absorption Of ...
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Autoclaved Brick from Steel Slag and Silicon Tailings
The load-bearing brick is made from steel slag and silicon tailings by pressing and autoclaving process. Because of the volume stability, steel slag was ground to above 320 m2/kg and wet cured in 50-60°C at 12-24 hours in the present of additives, before pressure forming and autoclaving process. Tailings account for 63% of the total mass of the brick, while …
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Microstructure and mechanical properties of CO2-cured steel slag brick …
On the other hand, steel slag reacted with CO 2 and obtained excellent mechanical strength due to formed CaCO 3 and silica gel, indicating they can become structural materials after CO 2 cured [18], [19]. Mahoutian and Shao [20] reported that the CO 2-cured pure steel slag brick obtained a high compressive strength after 2 h curing duration.Wu et al. [21] …
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Ji-Steel Refractory Fire Brick Strong Resistance to Slag
Ji-Steel Refractory Fire Brick Strong Resistance to Slag, Find Details and Price about Refractory Fire Brick High Temperature Resistance from Ji-Steel Refractory Fire Brick Strong Resistance to Slag - Henan Ji Steel Industry Co., Ltd. ... Magnesia-carbon bricks are made of fused magnesia or sintered magnesia, flake graphite, organic binders and ...
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Waste slags as sustainable construction materials: a …
Cupola slag is a cast iron (CI) manufacturing waste product that forms in cupola furnaces. Metal working produces slag as a by-product. The EAF technology is the most widely employed in modern integrated iron facilities for steel and iron production [[5], [6], [7], [8]].Cupola furnaces generate waste at a rate of (5–7)% during the production of cast iron.
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Utilization of Steel Slag in Sustainable …
Moreover, steel slag can also be used as an alternative to fly ash in Portland cement-based mortars and concretes. The Industrial By-Product Management Division (IBMD) of Tata Steel is one of the leading steel slag suppliers in …
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Application of Steel Slag as an Aggregate in Concrete …
Steel slag particles can potentially be used as aggregates in concrete production. However, the volume stability of steel slag is poor, and the direct use of untreated …
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Impact of Induction Furnace Steel Slag as Replacement for …
SEM observations were conducted and found an evident cracking through the brick aggregate and at the ITZ for concrete made with brick aggregate, while no crack of this type and dense ITZ was observed for concrete made with steel slag aggregate.
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Properties of a Carbonated Steel Slag-Slaked …
The properties of the carbonated brick made of steel slag-slaked lime mixture such as strength, drying shrinkage, water absorption and soundness were mainly investigated. The experimental results ...
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POSSIBILITY OF MAKING NON-FIRED BRICKS FROM INDUCTION FURNACE STEEL
Concrete specimens were made incorporating IF steel slag as coarse aggregate. A constant W/C ratio of 0.45 and a volumetric ratio of cement: sand: aggregate= 1:1.5:3 was maintained. ... AND METHODS Steel slag (both IF and EAF), sand and hydrated lime mixtures with gypsum as a binder were used to make the bricks. The samples of steel slag ...
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Geopolymer Steel Slag Brick | Request PDF
The new developed geopolymer steel slag brick has compressive strength of about 10 MPa which is made the brick suitable for construction of a load bearing walls. Discover the world's research 25 ...
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Impact of Induction Furnace Steel Slag as Replacement for …
This research investigates the flexural and durability performances of reinforced concrete (RC) beams made with induction furnace steel slag aggregate (IFSSA) as a …
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Bricks made from waste steel (T365) and iron …
De Freitas et al. (2018) verified the potential for reuse of steel slag and iron ore tailings as secondary raw material to produce solid bricks. The bricks were produced by mixing different ...
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Life cycle assessment of traditional and alternative bricks: A …
Most of the studies, assessed only solid bricks, however, the production of perforated bricks is an option even more sustainable, at least, in a cradle-to-gate boundary, …
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Recycling industrial slags in production of fired clay bricks …
This article aims to recycle industrial slags in brick manufacturing and investigates the performance of fired clay bricks incorporating different kinds of industrial slags such as …
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Magnesia Bricks | Magnesia Refractory Carbon Bricks for Steel
Magnesite Burned Brick: In basic steel production, magnesite burned brick products are preferred. ... The slag's resistance of the brick is needed to withstand siliceous melts. The siliceous melts come from the gangue portion of a metallurgical ore. ... These products are composed of a synthetic grain made by melting magnesia and chrome ore in ...
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Characteristics of heat insulating clay bricks made from …
Bricks made with ferrochromium slag and zeolite satisfied the requirements and could be used as construction materials [12]. ... Farnood-Ahmadia et al. [30] studied the properties of heat-insulating clay bricks using zeolite, waste steel slag and expanded perlite. Currently, scant work is available in the literature regarding the influence of ...
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Steel slag and iron ore tailings to produce solid brick
The main goals of this work were to verify the potential of reuse of steel slag and iron ore tailings as secondary raw materials to produce solid brick and to evaluate whether this application can consume the amount of slag generated in Brazil. The feasibility of this application was verified through a comparative study. The mechanical behavior of concrete artifacts and …
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Recycling industrial slags in production of fired clay bricks …
Blast furnace slag, ferrochromium slag, and steel slag recycled in bricks. • Physical, mechanical, and durability behavior of bricks was investigated. • All the slag brick specimens satisfy the building code strength thresholds. • Bricks containing industrial slags can be used as severe weather resistant bricks. •
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