Steel slag modifier

Steel slag modifier

Environmental and Geotechnical Assessment of the Steel Slags as a

Steel slag is produced from Basic Oxygen Furnace and Electric Arc Furnace in steel making and the main chemical compositions include CaO SiO 2 Al 2 O 3 Fe 2 O 3 MgO and FeO [ 3 4 5 ] Huawei [ 6] reports that the production of each of these three tons of stainless steel will create one tonne of waste

Importance of Tundish Design and Flow Modifier Refractories in Steel

The next generation FCDs are popularly known as Tundish Flow Modifier TFM Tundish Flow Optimizer TFO etc are precast refractory shapes made of Ultra Low Cement Castables ULCC having 85 90% alumina The interior of tundish flow modifiers or flow optimizers as you say it are designed in such a way that incoming steel gets a churning effect which results into inclusion flotation and

High temperature modification and air quenching granulation of steel slag

Preparation and characterization of air quenched granulated steel slag In the experiment of air quenching granulation of steel slag the following essential parameters are fixed the temperature of slag is 1600 °C the nozzle is Laval nozzle the Mach number is the air quenching pressure is MPa the slag flow rate is kg/min and the distance between nozzle and slag flow is 10 cm

US Patent for Method of modifying steel slag Patent Patent # 5 019 160

Method of producing steel slag free from disintegration completed through the modification of slag in molten state by use of a small amount of modifier while increasing the temperature of slag wherein the chemical composition of the steel slag and modifier to be charged is analyzed beforehand a small amount of boron containing compounds and the first modifier consisting of silicate

Reconstructing Steel Slag Based on the Chemical Compositions of Cement

The steel slag is reconstructed to simulate the calcination processes of cement clinker The results show that when the value of C / S is low the tricalcium silicate C 3S in the raw steel slag is discomposed to be dicalcium silicate C 2S The RO phase is partial decomposed the sosoloid contain much MgO and few FeO

The Effect of Organic and Inorganic Modifiers on the Physical Hindawi

For instance a reinforcement system for kaolin was formed by using industrial waste steel slag and slag as raw materials and adding active magnesium oxide and calcium oxide there is no sufficient in depth research on the microscopic mechanism of different green chemical solutions and organic modifiers on GRS leaving their mechanism

Sustainability Free Full Text Utilization of Fly Ashes from

The first mix use was paper mill FBCFA 15 wt % desulphurization slag 15 wt % from steel industry sludge 25 wt % and lime waste 45 wt % from a paper mill At 28 days they obtained a compressive strength of MPa without chemical modifiers and with chemical modifiers and particle size distribution optimization they achieved

CN111893245B Ultra low carbon steel refining slag modifier and

The invention relates to the technical field of steel making secondary refining and discloses an ultra low carbon steel refining slag modifier which is spherical wherein the inner core of the modifier is aluminum iron alloy the periphery of the modifier is mixed slag the content of aluminum in the aluminum iron alloy is 38 42% and the aluminum iron alloy accounts for the modifierThe

2024 Environmental Awards Japan Society of Civil Engineers

JFE Steel Corp In this project artificial reefs were installed using iron and steel slag generated in the steelmaking process and the environmental impacts for various organisms were quantified Increase in the number of animal species has been confirmed for five years after the installation of the artificial reefs

Synthesis and Hydration Characteristic of Geopolymer Based on Lead

Lead smelting slag LSS has been identified as general industrial solid waste which is produced from the pyrometallurgical treatment of the Shuikoushan process for primary lead production in China The obtained results showed that Ca 2 and Fe 2 occupied the site of the network as modifiers in the glass phase and then dissociated from

Effect of Oxygen Partial Pressure and B2O3 on Crystallization Behavior

To help maintain the sustainability of the steel industry by improving slag utilization we are developing a novel process to recover P and Fe from steelmaking slag by controlling oxygen partial pressure and adding slag modifier B 2 O 3 to control the precipitation of targeted this paper the precipitated phases of the molten synthetic CaO SiO 2 FeO P 2 O 5 B 2 O 3 slags

Effect of Oxygen Partial Pressure and B2O3 on Crystallization Behavior

Download Citation Effect of Oxygen Partial Pressure and B2O3 on Crystallization Behavior of Phosphorus and Iron Containing Phases in a CaO SiO2 Fe2O3 P2O5 Melt To help maintain the

DTA patterns of modified steel slag Download Scientific Diagram

Download scientific diagram DTA patterns of modified steel slag from publication Effect of basicity on cementitious activity of modified electric arc furnace steel slag Electric arc furnace

Steel slag Products Nippon Steel Corporation

These products are made from steel slag which occurs as a by product during steelmaking Due to their unique characteristics they are used in various fields With awareness of the need for environmental protection increasing these steel slag products are highlighted as excellent materials from the viewpoint of resource and energy conservation

Influence of desulfurization slag containing oxides of SpringerLink

To study the effect of slag modifier on the property of desulfurization slag 200 ± 5 g of semi steel after desulfurization was put into a graphite crucible And 20 ± g of powdery semi steel desulfurization slag was taken and mixed evenly with different masses of slag modifier 80% CaO 20% C

Performance Analysis of Compound Rubber and Steel Slag Filler MDPI

A new treatment method of combined crumb rubber and steel slag modifier for asphalt binders was proposed in this work The viscosity rheological properties and thermogravimetric analysis of modified asphalt mortar were then investigated The modified asphalt composite was prepared in laboratory by two steps Rubber powder was firstly added into hot asphalt flux to make rubber modified

Performance Analysis of Compound Rubber and Steel Slag Filler MDPI

A new treatment method of combined crumb rubber and steel slag modifier for asphalt binders was proposed in this work The viscosity rheological properties and thermogravimetric analysis of modified asphalt mortar were then investigated The modified asphalt composite was prepared in laboratory by two steps

XRD patterns of modified steel slag Download Scientific Diagram

Download scientific diagram XRD patterns of modified steel slag from publication Effect of basicity on cementitious activity of modified electric arc furnace steel slag Electric arc furnace

Tradeweld E6013 Mild Steel Welding Rod EW00719

Tradeweld E6013 Mild Steel Welding Rod EW00719 Tradeweld Diameter Length 350 Amps 150 210 Packaging 1KG

Slag Steel Emulsification on a Modified RH Degasser

A new arrangement of RH snorkels is proposed in order to improve the slag metal interaction According to this RHDeS design the steel jet flowing down from the vacuum chamber discharges inside the slag layer Physical modeling of a reactor following this concept was performed Mixing times circulation rates and the mass transfer coefficient were evaluated as well as the droplet residence

Slag recycling recovery

The production of blast furnace slag has thus fallen by % in the past two years while that of steelworks slag has dropped by % In that period pig iron production only decreased by % in the EU28 and crude steel production even increased from 162 Mta to Mta and is currently 2024 at Mta

Properties and Uses of Steelmaking Slag IspatGuru

Some typical mechanical properties of steelmaking slag are as follows Los Angeles abrasion ASTM C131 20 % to 25 % Sodium sulphate soundness loss ASTM C88 Less than 12 % Angle of internal friction 40 degrees to 50 degrees Hardness 6 to 7 Moh s scale of mineral hardness California Bearing ratio CBR Upto 300 for maximum size of 19 mm

Performance Analysis of Compound Rubber and Steel Slag Filler Modified

A new treatment method of combined crumb rubber and steel slag modifier for asphalt binders was proposed in this work The viscosity rheological properties and thermogravimetric analysis of modified asphalt mortar were then investigated The modified asphalt composite was prepared in laboratory by …

Steel slag modifier Packing Machine dolomite Packaging Equipment

Main business dry powder mortar packaging machine powder packaging machine granule packaging machine putty powder packaging machine refractory

UTM Scholar DR RAMADHANSYAH PUTRA JAYA

Performance Of Steel Slag In Highway Surface Course JURNAL TEKNOLOGI Publication In Scopus CO AUTHOR 2024 Use Of Rice Husk Ash To Improve Properties Of Concrete Under Sodium Chloride By Wetting And Drying NANO KAOLIN CLAY AS BITUMEN MODIFIER FOR POROUS ASPHALT PHD GRADUATED SUPERVISOR 2024

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Abstract Modified steel slag powder was used to create a modified steel slag/rubber composite material using self made steel slag grinding modifier and combining it with carbon black and rubber matrix to treat hot braised steel slag electric furnace steel slag and air quenched steel slag Next the thermal conductivity of the three types of modified steel slag/rubber composites was measured

Energy Environment Management in Steel Sector

The steel slag need to be properly aged and ground to very fine size before it can be explored to be utilised which incur substantial cost There are lack of guidelines for use of steel slag as replacement of natural aggregates in construction activities and road making Use of aggregates in Rail Ballast is governed by RDSO standards

Modified steel slag for effect prolongation of calcium peroxide A

The annual steel slag production reached more than 100 million tons in China and its utilization rate is only % In contrast the utilization rate of steel slag in industrial countries is more than 85% Guo et al 2024 In fact steel slag is very versatile for environmental protection or for resource recovery purpose

Research progress on flue gas desulfurization by modification of steel slag

Abstract Steel slag has the structural characteristics of loose and porous and rich in alkaline oxides such as CaO and MgO so it is highly alkaline in the solution and has strong acid neutralization ability which can effectively remove sulfur dioxide from flue gas and realize effective present steel slag based desulfurization absorption materials are mainly used in

Waste as Road Material Copy PDF Concrete Plastic

This paper analyses different research concrete using various waste materials such as fly ash blast approaches that employ plastic waste as binder aggregate furnace slag fumed silica tyre waste plastics and agro fine aggregate modifier or substitute of cement and sand in waste Bejan et al 2024

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