disposal of slag in the blast furnace

disposal of slag in the blast furnace

  • Blast Furnace Slag - Material Description - User ...

    Granulated Blast Furnace Slag. Granulated blast furnace slag is a Limestoney granular material that varies, depending on the chemical composition and method of production, from a coarse, popGypsumlike friable structure greater than 4.75 mm (No. 4 sieve) in diameter to dense, sand-size grains passing a

  • Slag Disposal Sites - EnviroBlend

    Even though it can be recycled, slag is frequently sent to landfills for disposal. In producing steel, iron ore is introduced into a blast furnace. Slag is produced during the separation of the molten steel from impurities in the furnace, which is comprised of a complex

  • Blast Furnace - an overview ScienceDirect Topics

    Blast furnace slag is a nonmetallic coproduct produced in the process in the production of iron from iron ore or iron scrap. It consists primarily of silicates, aluminosilicates, and calcium-alumina-silicates. The molten slag, which absorbs much of the sulfur from the charge, comprises about 20

  • Slag - Wikipedia

    The slag can also be used to create fibers used as an insulation material called slag wool. Basic slag. Basic slag is a co-product of steelmaking, and is typically produced either through the blast furnace - oxygen converter route or the electric arc furnace - ladle furnace route.

  • Ground Granulated Blast Furnace Slag (GGBS) Chemical ...

    May 09, 2018  Ground Granulated Blast Furnace Slag (GGBS) The importance of Ground Granulated Blast Furnace Slag (GGBS) lies in its greener way to become a substitute in concrete material. GGBS being a waste material, it needs proper method for disposal. So incorporating this waste material in concrete can reduce the depletion of conventional concrete components such as cement, fine

  • iron recycling slag - YouTube

    Aug 13, 2019  This video is unavailable. Watch Queue Queue. Watch Queue Queue

  • (PDF) IRON AND STEELMAKING SLAGS: ARE THEY HAZARDOUS

    PDF SYNOPSIS: Blast furnace slag has been applied for cement making in the early of 1900s. Currently, almost all blast furnace slag is utilized for various purposes, such as cement making, road ...

  • Author: Zulfiadi Zulhan
  • Discussion of blast furnace slag recycling of a factory ...

    Abstract: A large amount of solid waste slag is generated in the production process in iron and steel enterprises. As for enterprise which takes blast furnace as the process, blast furnace slag accounts for more than 50%. Blast furnace slag disposal has experienced the following development: as a waste treatment, use in subgrade and foundation engineering, to the stage of comprehensive ...

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  • Environmental Information National Slag Association

    Laboratory Development of Permeable Reactive Mixtures for the Removal of Phosphorus from Onsite Wastewater Disposal Systems. ... Leachate from Blast Furnace Slag. The following is a brief description of Blast Furnace Slag chemistry and the phenomenon of leaching as it

  • Lead smelting - Wikipedia

    The lead containing components are processed in blast furnaces for hard lead or rotary reverberatory furnaces for fine particles. The blast furnace is similar in structure to a cupola furnace used in iron foundries. The furnace is charged with slag, scrap iron, limestone, coke, oxides, dross, and reverberatory slag.

  • Environmental Information National Slag Association

    Laboratory Development of Permeable Reactive Mixtures for the Removal of Phosphorus from Onsite Wastewater Disposal Systems. ... Leachate from Blast Furnace Slag. The following is a brief description of Blast Furnace Slag chemistry and the phenomenon of leaching as it

  • SAFETY DATA SHEET: GROUND GRANULATED BLAST

    Synonyms: Slag cement, ground granulated blast furnace slag (GGBFS), granulated blast furnace slag (GBFS), Slag Product Form: Solid / powder or granular Intended Use of Product: Ground granulated blast furnace slag is used as an additive with portland cement in combination with water and aggregates to form concrete.

  • disposal of slag in the blast furnace

    The blast furnace slag order 2014 epa.nsw.gov.au. supply of blast furnace slag and blended blast furnace slag for appliion to land in line with the uses described in the blast' furnace slag exemption 2014'. 1. Waste to which this order applies 1.1.

  • Advances in slag recycling and reuse - UKEssays

    In the past, slag was taken from the blast furnace, basic oxygen furnace (BOF), and electric arc furnace (EAF) and hauled off to a hazardous dump site where millions of tons have accumulated. The major waste by product from steel production is slag at 79.15% as shown in 1.

  • Blast Furnace Slag - Material Description - RMRC

    Blast Furnace Slag - Material Description ORIGIN In the production of iron, iron ore, iron scrap, and fluxes (limestone and/or dolomite) are charged into a blast furnace along with coke for fuel. The coke is combusted to produce carbon monoxide, which reduces the iron ore to a molten iron product.

  • Blast Furnace Slag - an overview ScienceDirect Topics

    6 Zinc Fuming and Recycling. Fuming of lead blast furnace slag is an important source of zinc oxide as feed for zinc electrowinning. Slag containing 12–18% zinc is reduced in a water-jacketed furnace at 1150–1200°C by injection of pulverized coal and air through tuyeres. Zinc metal vapor is reoxidized to ZnO above the bath, and collected ...

  • RECYCLING OF STEELMAKING SLAG FROM ELECTRIC ARC

    RECYCLING OF STEELMAKING SLAG FROM ELECTRIC ARC FURNACE Ľ MIHOK1, K.SEILEROVÁ , D.BARICOVÁ Technical University, Faculty of Metallurgy, Letná 9, Košice, Slovakia SUMMARY The paper presents results of research of demetallized EAF slag recycling into charge of electric arc furnace. Effects of recycling on steelmaking process parameters,

  • Authors: L Mihok K Seilerova D BaricovaAffiliation: Technical University of KosiceAbout: Electric arc furnace Steelmaking
  • Slag Cement - Products Lehigh Hanson, Inc.

    Recycling an Industrial Byproduct. Slag cement, originally known as granulated blast-furnace slag, begins with the production of iron. The heart of the process is the blast furnace that refines iron ore into iron. The ingredients are heated to nearly 1500 degrees Centigrade to form two components: iron and molten slag.

  • Investigation of Phosphate Removal Capability of Blast ...

    May 16, 2019  Blast Furnace Slag (BFS) is a by-product of iron making with a potential to be used in different applications. In this research, BFS is used to investigate the

  • Section 3 – Composition/Information on Ingredients Section ...

    Granulated Blast Furnace Slag . Rev. 6/17 . Page 6 of 7. Section 12 - Ecological Information. 12(a) Ecotoxicity (aquatic terrestrial): No data available for the product, Blast Furnace Slag . as a whole. However, individual components of the product have been found to be toxic to the environment.

  • Blast Furnace Slag National Slag Association

    Blast Furnace Slag is formed when iron ore or iron pellets, coke and a flux (either limestone or dolomite) are melted together in a blast furnace.When the metallurgical smelting process is complete, the lime in the flux has been chemically combined with the aluminates and silicates of the ore and coke ash to form a non-metallic product called blast furnace slag.

  • Ohio EPA Policy Use of Blast Furnace and Steel Slag

    avoid disposal of these materials in landfills, and to beneficially use them. To date steel slag use on construction projects has not represented significant environmental problems. SCOPE: This interim policy addresses beneficial use of blast furnace and steel slag generated during iron and steel making. It

  • Blast Furnance Slag - User Guideline - Embankment or Fill ...

    Drainage Characteristics: ACBFS and expanded blast furnace slag are nonplastic and free draining and are not frost susceptible. Corrosivity: Blast furnace slag is mildly alkaline, with a pH in nonstagnant water mixtures in the range of 8 to 10. Despite the fact that blast furnace slag contains a small component of elemental sulfur (1 to 2 ...

  • (PDF) RECYCLING OF STEELMAKING SLAG

    The steelmaking slag containing high phosphorus (1-3 % P 2 O 5) is not possible to be used in blast furnace, as all the phosphorus will report to iron increasing the refining load in steelmaking.

  • Blast Furnace Slag National Slag Association

    Blast Furnace Slag is formed when iron ore or iron pellets, coke and a flux (either limestone or dolomite) are melted together in a blast furnace.When the metallurgical smelting process is complete, the lime in the flux has been chemically combined with the aluminates and silicates of the ore and coke ash to form a non-metallic product called blast furnace slag.

  • Ohio EPA Policy Use of Blast Furnace and Steel Slag

    avoid disposal of these materials in landfills, and to beneficially use them. To date steel slag use on construction projects has not represented significant environmental problems. SCOPE: This interim policy addresses beneficial use of blast furnace and steel slag generated during iron and steel making. It

  • Blast Furnance Slag - User Guideline - Embankment or Fill ...

    Drainage Characteristics: ACBFS and expanded blast furnace slag are nonplastic and free draining and are not frost susceptible. Corrosivity: Blast furnace slag is mildly alkaline, with a pH in nonstagnant water mixtures in the range of 8 to 10. Despite the fact that blast furnace slag contains a small component of elemental sulfur (1 to 2 ...

  • (PDF) RECYCLING OF STEELMAKING SLAG

    The steelmaking slag containing high phosphorus (1-3 % P 2 O 5) is not possible to be used in blast furnace, as all the phosphorus will report to iron increasing the refining load in steelmaking.

  • furnace slag recycling equipment for sale

    recycling of blast furnace slag - twenterandkanaalracenl. Sep 30, 2012 Iron-process recycling of iron slag , Blast furnace extraction of iron recycling, , Iron slag recycling machine for sale,equipment for crushing: More Info; 3 Iron Unit Recycling - Department of Energy , recycling of blast furnace slag -

  • SAFETY DATA SHEET Ground Granulated Blast Furnace Slag

    Use: Ground Granulated Blast Furnace Slag is a supplementary cementitious material that is a partial replacement for Portland Cement in concrete and other similar products. ... Disposal statement(s) P501 Dispose of contents/container in accordance with relevant regulations.

  • Fly ash and Blast Furnace Slag for Cement Manufacturing

    Fly ash and Blast Furnace Slag for Cement Manufacturing GBFS is slag from the iron production in Basic Oxygen Furnaces. When this slag is actively cooled and ground, GBFS is produced, which can be utilised as a cement or concrete addition. GBFS is said to increase durability of concrete due to an increased setting time, which reduces

  • Special Wastes Hazardous Waste US EPA

    Slag tailings from primary copper processing. Flurogypsum from hydrofluoric acid production. Process wastewater from hydrofluoric acid production. Air pollution control dust/sludge from iron blast furnaces. Iron blast furnace slag. Treated residue from roasting/leaching of chrome ore

  • HOW A BLAST FURNACE WORKS - Foundry Gate

    HOW A BLAST FURNACE WORKS Introduction The purpose of a blast furnace is to chemically reduce and physically convert iron oxides into liquid iron called "hot metal". The blast furnace is a huge, steel stack lined with refractory brick, where iron ore, coke and limestone are dumped into the top, and preheated air is blown into the bottom.

  • RECYCLING OF FLUE DUST INTO THE BLAST FURNACE

    Blast furnace flue dust contains valuable amounts of carbon and iron. The contents of harmful trap elements are low enough for recycling into the blast furnace. Since 1993, SSAB Tunnplåt in Luleå has recycled the flue dust by charging it into the blast furnace in the form of a cold-bonded dust briquette.

  • Granulated Blast Furnace Slag - U.S. Steel

    2(a) Classification of the Chemical: Granulated Blast Furnace Slag is considered a hazardous material according to the criteria specified in REACH [REGULATION (EC) No 1907/2006] and CLP [REGULATION (EC) No 1272/2008] and OSHA 29 CFR 1910.1200 Hazard Communication Standard.

  • Blast Furnace (1940-1949) - YouTube

    Apr 13, 2014  Coke Iron Ore and Limestone is put into the blast furnace. Hot air is pumped from the stoves into the blast furnace, gas is released. Animation of the processes. Slag

  • Recycling of Waste Plastic Packaging in a Blast Furnace System

    blast furnace Injection of chlorine-contained plastics such as PVC in blast furnaces generates hydrogen chloride due to the decomposition of the plastic with heat, same as with other thermal processes. The limestone used in the blast furnace to control the composition of the slag neutralizes the hydrogen chloride in the furnace and

  • SAFETY DATA SHEET Granulated Blast Furnace Slag

    a raw material for Ground Granulated Blast Furnace Slag (GGBFS), a supplementary cementitious material used in concrete Section 2: Hazards Identification Hazardous Substance. Non-dangerous Goods. The raw material does not expose the user to the same risks as the Ground/Powdered product. See Ground Granulated Blast Furnace Slag for Safety Data.

  • Special Wastes Hazardous Waste US EPA

    Slag tailings from primary copper processing. Flurogypsum from hydrofluoric acid production. Process wastewater from hydrofluoric acid production. Air pollution control dust/sludge from iron blast furnaces. Iron blast furnace slag. Treated residue from roasting/leaching of chrome ore

  • Basic Blast Furnace Slag - Republic Steel

    Basic Blast Furnace Slag Persistence and degradability Not established. 12.3. Bioaccumulative potential Basic Blast Furnace Slag Bioaccumulative potential Not established. 12.4. Mobility in soil No additional information available 12.5. Other adverse effects Other information : Avoid release to the environment. SECTION 13: Disposal considerations

  • The Extraction of Iron - Chemistry LibreTexts

    Extracting iron from iron ore using a Blast Furnace. The common ores of iron are both iron oxides, and these can be reduced to iron by heating them with carbon in the form of coke. Coke is produced by heating coal in the absence of air. ... Disposal of slag, some of which is just dumped. Transport of the finished iron. Recycling.

  • Blast Furnace Slag Cement - Manufacture, Properties and Uses.

    Blast furnace slag cement is the mixture of ordinary Portland cement and fine granulated blast furnace slag obtained as a by product in the manufacture of steel with percent under 70% to that of cement. Ground granulated blast furnace slag cement (GGBFS) is a fine Limestoney granules which contain cementatious properties.

  • The blast furnace slag order 2014

    supply of blast furnace slag and blended blast furnace slag for application to land in line with the uses described in the blast‘ furnace slag exemption 2014’. 1. Waste to which this order applies 1.1. This order applies to blast furnace slag and blast furnace slag blended with other materials (blended blast furnace slag).

  • Fly ash and Blast Furnace Slag for Cement Manufacturing

    Fly ash and Blast Furnace Slag for Cement Manufacturing GBFS is slag from the iron production in Basic Oxygen Furnaces. When this slag is actively cooled and ground, GBFS is produced, which can be utilised as a cement or concrete addition. GBFS is said to increase durability of concrete due to an increased setting time, which reduces

  • (PDF) RECYCLING OF STEELMAKING SLAG

    The steelmaking slag containing high phosphorus (1-3 % P 2 O 5) is not possible to be used in blast furnace, as all the phosphorus will report to iron increasing the refining load in steelmaking.

  • Ohio EPA Policy Use of Blast Furnace and Steel Slag

    avoid disposal of these materials in landfills, and to beneficially use them. To date steel slag use on construction projects has not represented significant environmental problems. SCOPE: This interim policy addresses beneficial use of blast furnace and steel slag generated during iron and steel making. It

  • RECYCLING OF STEELMAKING SLAG FROM ELECTRIC ARC

    RECYCLING OF STEELMAKING SLAG FROM ELECTRIC ARC FURNACE Ľ MIHOK1, K.SEILEROVÁ , D.BARICOVÁ Technical University, Faculty of Metallurgy, Letná 9, Košice, Slovakia SUMMARY The paper presents results of research of demetallized EAF slag recycling into charge of electric arc furnace. Effects of recycling on steelmaking process parameters,

  • Authors: L Mihok K Seilerova D BaricovaAffiliation: Technical University of KosiceAbout: Electric arc furnace Steelmaking
  • Recycling of ladle furnace slags

    Recycling of ladle furnace slags Abstract Ferrous industry slag is waste product of all steelmaking manufactures. These materials should be reused or stocked. There is abundant literature on the subject of reuse and recycling of blast furnace(BF), basic oxygen furnace(BOF), electric arc furnace(EAF).

  • Authors: Sima Aminorroayayamini Hossein Edris Ali Tohidi Jafar Parsi Bahram ZamaniAbout: Ladle Slag
  • Investigation of Phosphate Removal Capability of Blast ...

    May 16, 2019  Blast Furnace Slag (BFS) is a by-product of iron making with a potential to be used in different applications. In this research, BFS is used to investigate the

  • Technical Report UDC 669 . 162 . 275 . 2 : 666 . 972 . 12 ...

    Iron Blast Furnace Slag Aggregate for Concrete” in 1977 and fine BF slag aggregate as JIS A 5012 “Water Granulated Iron Blast Fur-nace Slag Aggregate for Concrete” in 1981. Thereafter, the two were unified as JIS A 5011-1 “Slag Aggregate for Concrete, Part 1 Blast Furnace Slag Aggregate”. Then, in 1983, the Japan Society of Civil

  • HOW A BLAST FURNACE WORKS - Foundry Gate

    HOW A BLAST FURNACE WORKS Introduction The purpose of a blast furnace is to chemically reduce and physically convert iron oxides into liquid iron called "hot metal". The blast furnace is a huge, steel stack lined with refractory brick, where iron ore, coke and limestone are dumped into the top, and preheated air is blown into the bottom.

  • Basics of slag production - Article on the slag industry ...

    Oct 27, 2011  This gives a slag of different composition from either blast furnace or steelmaking slag, and which may be Limestoney or crystalline depending on the cooling routine. The result can be a strong and stable material, suitable as an aggregate for roads and similar applications.