what are the requirements for a good slag in iron making

what are the requirements for a good slag in iron making

MF 182-6 Properties and Uses of Iron and Steel Slag

2019-12-15  requirements for an efficient iron-making operation; he can only modify the slag properties to a limited extent by changing cooling conditions. It is fortunate, therefore, that the range of slag compositions associated with good iron production is all useful construction materials, although varying in physical properties.

Read More
Slag-What is it Good for? - USGS.gov

2017-6-29  It turns out that, although slag is most known for being what’s left when metals have been removed, slag itself might be good at removing some negative chemicals from the environment. Pile of steelmaking slag at the ArcelorMittal Indiana

Read More
Characteristics and applications of iron and steel slag ...

2020-10-18  Steelmaking slag: Converter slag, electric arc furnace slag: Hard, wear-resistant: Aggregate for asphalt concrete: Hydraulic property: Base course material: Large angle of internal friction: Material for civil engineering works, ground improvement

Read More
4 Aggregate Specifications and Requirements

2014-4-2  requirements for aggregate: quality and gradation. ... Coke and iron are of concern only with the slag materials. Coke is an ingredient in the steel making process. Slag from air-cooled blast and steel furnaces normally are free of objectionable amounts of coke and iron.

Read More
Iron Making - an overview ScienceDirect Topics

Such slag consists primarily of impurities of iron ore (mainly silica and alumina). The composition of slag depends on the composition of iron ore, fuel, flux stones, and mixing ratios required for efficient furnace operation. Different types of BFS can be produced that often find applications in

Read More
Slag uses in making an ecofriendly and sustainable ...

2021-2-22  The slag composition is dependent on the base materials used in the process for iron making , . GGBFS has a high potential to be used as AAS in construction. For GGBFS, the major chemical composition of the pertaining slag consists of magnesia (8%),

Read More
The potential utilization of slag generated from iron- and ...

2019-10-29  Slag is the by-product of iron- and steelmaking processes. Normally, around half to one tonne of slag would be generated for yielding one tonne of rolled iron or steel (Lobato et al. 2015).It was reported that the world steel production was 1.9 billion tonnes in 2016, which suggested that at least around 1 billion tonnes of slag

Read More
Some smelter slags represent a significant environmental ...

Through a combination of field and laboratory studies Parsons has determined that the slag dump, which contains about 250,000 cubic yards of material, is a significant source of cadmium, copper ...

Read More
What Is a Man's Daily Requirement in Grams of Iron Intake ...

2018-12-9  Good vegetable sources of iron include spinach, lima beans, potatoes, green peas and greens, which typically contain 3 to 5 milligrams of iron per cup of cooked vegetables. Don't Overdo It To prevent possible iron overload, the Institute of Medicine recommends that men take in no more than 45 milligrams of iron daily, including food and ...

Read More
5 Aggregate Specifications and Requirements

2014-4-2  Coke and Iron Coke and iron are of concern only with the slag materials. Coke is an ingredient in the iron making process. Slag from these furnaces normally are free of objectionable amounts of coke and iron. Chert Chert is a rock of almost any color and is

Read More
SUITABILITY OF BLAST FURNACE SLAG IN CONCRETE

2019-3-22  Slag is a co-product of the iron making process. Iron cannot be prepared in the blast ... good durability, which are important factors for concrete ... it confirms to the requirements of the IS specifications. The physical properties of the cement were determined as per IS: 4031-1968 and are presented in following table.

Read More
UPDATE OF IRON AND STEEL SLAG IN JAPAN AND

2013-4-9  because the slag is produced from iron and steel making processes in which operational conditions are managed and controlled. Additionally, slag contains no organic substance, which is removed at a temperature higher than 1200°C. Figure 1: Annual production of slag1 and steel4 in Japan

Read More
Structural and durability properties of concrete made with ...

2016-4-14  where 850 000 tons of blastfurnace slag are produced per annum. Slag is a by-product of the iron manufacturing process. In a blastfur-nace, the iron oxide is reduced to metallic iron using, as a fluxing agent, 5 * Corex is a registered trade mark of Voest-Alpine.

Read More
Aggregate from waste steel slag: quality protocol - GOV.UK

This quality protocol applies to England, Wales and Northern Ireland. 1. When the final product is no longer waste. Aggregate product made from waste steel slag will be regarded as fully recovered ...

Read More
Desulphurization of pig iron using calcium carbide based ...

2009-11-20  safety requirements for calcium carbide based reagent, dealing with spillage and fire as well as transportation, transfer, handling and storage. ... while good desulphurization and efficiencies were obtained, ... are the most effective way of reducing iron loss via the slag.

Read More
Recycling and environmental issues of metallurgical slags ...

2004-1-18  furnace (EAF) for steel making and secondary metallurgical process (SMP) for refining. Correspondingly, slags can be classified as three major types: BF slag, BOF slag and SMP slag. The BF slag accounts for about twice the amount of BOF slag, and the SMP slag is relatively less significant in terms of utilization due to the lower generated amount.

Read More
The Carbon Cost of Slag Production in the Blast Furnace:

2017-8-27  composition of the slag needs to meet certain chemical requirements, primarily the basicity of the slag. This determines the capacity of the slag to remove unwanted elements such as sulfur out of the hot metal. It also impacts the melting point of the slag. The gangue of iron ores and the slag are in general acid (higher Si-content), so it is

Read More
Iron Slag : Manufacturers, Suppliers, Wholesalers and ...

The material is a great substitute for pig iron. The key buyers will be cast iron foundries, This is good material for cast iron foundries, especially gray iron foundries. Offer : fob kotka $150 per mt Cast iron scrap : form slag , 2000 mt is now in port kotka, in finland and available on regular monthly basis.

Read More
ALTERNATIVE IRON MAKING TECHNOLOGIES

2011-5-2  ALTERNATIVE IRON MAKING TECHNOLOGIES. 1., 2., 3. UNIVERSITY “POLITEHNICA” OF BUCHAREST, ROMANIA . ABSTRACT: The paper presents few aspects concerning the implementation of alternative iron making technologies in Romania. A few reasons are analyzed for the apparition and development of such technologies in the world steel market competition.

Read More
5 Aggregate Specifications and Requirements

2014-4-2  Coke and Iron Coke and iron are of concern only with the slag materials. Coke is an ingredient in the iron making process. Slag from these furnaces normally are free of objectionable amounts of coke and iron. Chert Chert is a rock of almost any color and is

Read More
SUITABILITY OF BLAST FURNACE SLAG IN CONCRETE

2019-3-22  Slag is a co-product of the iron making process. Iron cannot be prepared in the blast ... good durability, which are important factors for concrete ... it confirms to the requirements of the IS specifications. The physical properties of the cement were determined as per IS: 4031-1968 and are presented in following table.

Read More
UPDATE OF IRON AND STEEL SLAG IN JAPAN AND

2013-4-9  because the slag is produced from iron and steel making processes in which operational conditions are managed and controlled. Additionally, slag contains no organic substance, which is removed at a temperature higher than 1200°C. Figure 1: Annual production of slag1 and steel4 in Japan

Read More
Factory Supply Si Slag As Deoxidizer FeSi Slag for Iron ...

Silicon slag (off grade silicon) is a by-product when making silicon metal.The silicon content is from 45% to 95%, and the rest are C, S, P, Al, SiO2, Fe, Ca etc.The silicon slag is much cheaper than purity silicon metal, and has many industrial applications.

Read More
Refining Slag, Ladle Furnace Refining Slag, Steel Slag

The refining slag is a new type steel casting auxiliary materials to meet the requirements for producing low sulphur steel. Its raw materials are fused by the EAF, making this products with 90% 7Al2O3•12CaO calcium aluminate contents. Its activity coefficient is more than 70%.

Read More
An Overview of Use of Linz-Donawitz (LD) Steel Slag in ...

The phosphorus content in LD slag is too high to be reused in iron making and one-hundredth percent of phosphorus go to the metal phase. The major phases present in LD slag in other parts of world are also studied, that contain some reactive mineral phase such as 2CaO.SiO 2, 3CaO.SiO 2, free CaO and MgO (Goldring and Jukes, 1997).Main mineral phases were identified by using X-ray diffraction ...

Read More
China Most Popular Products Metallurgy Material Silicon Slag

China most popular products metallurgy material silicon slag silicon iron slag powder description 1 .Silicon slag (off grade silicon) is a by-product when making silicon metal.

Read More
Desulphurization of pig iron using calcium carbide based ...

2009-11-20  safety requirements for calcium carbide based reagent, dealing with spillage and fire as well as transportation, transfer, handling and storage. ... while good desulphurization and efficiencies were obtained, ... are the most effective way of reducing iron loss via the slag.

Read More
Recycling and environmental issues of metallurgical slags ...

2004-1-18  furnace (EAF) for steel making and secondary metallurgical process (SMP) for refining. Correspondingly, slags can be classified as three major types: BF slag, BOF slag and SMP slag. The BF slag accounts for about twice the amount of BOF slag, and the SMP slag is relatively less significant in terms of utilization due to the lower generated amount.

Read More
ALTERNATIVE IRON MAKING TECHNOLOGIES

2011-5-2  ALTERNATIVE IRON MAKING TECHNOLOGIES. 1., 2., 3. UNIVERSITY “POLITEHNICA” OF BUCHAREST, ROMANIA . ABSTRACT: The paper presents few aspects concerning the implementation of alternative iron making technologies in Romania. A few reasons are analyzed for the apparition and development of such technologies in the world steel market competition.

Read More