recycling of blast furnace slag

  • Determination of optimum blast furnace slag cooling rate ...

    Determination of optimum blast furnace slag cooling rate ...

    in the slag typically varies between 90 and , which is suitable for blending with Portland cement. At present, blast furnace (BF) slag is generally quenched with water and recycled as a raw material for cement manufacture. Much water is used to quench the slag rapidly, and the enthalpy of the slag ends up as low grade energy in the quenching water.

  • Application of ActivityBased Costing to Green Industry ...

    Application of ActivityBased Costing to Green Industry ...

    Slag produced by blast furnaces in the steel industry may be recycled grinded to slag powder, a building material and cement substitute, which may reduce cement mining and create multiple economic benefits.

  • Blastfurnace slag | Article about blastfurnace slag by ...

    Blastfurnace slag | Article about blastfurnace slag by ...

    The content of blastfurnace slag in this cement is 70%, and that of Portland cement is 30%. The Russian company stated that the grindingmixing complex is a modern production facility for cement and blastfurnace slag cement. Ground granulated blastfurnace slag and carbonatic material, with a compressive strength of 32 MPa,...

  • blast furnace slag Spanish translation – Linguee

    blast furnace slag Spanish translation – Linguee

    Blast furnace slag is produced in parallel with hot iron in a blast furnace. L a s escorias d e a lto horno se pr od ucen a la vez que el hierro caliente en un alto horno .

  • Recycling of Ferrous Scrap from Incinerator Residue in ...

    Recycling of Ferrous Scrap from Incinerator Residue in ...

    cycled. Inplant iron units such as blast furnace dust, mill scale and basic oxygen furnace dust are recycled into a usable product through the sintering operations. Blast furnace slag is recycled into road building and as aggre­ gate in concrete. Steel making slags are reprocessed to recover metallics and to use the slags as the media in sta­ bilized road beds. Waste gases from processes are con­

  • Effect of Blast Furnace Sludge (BFS) Characteristics on ...

    Effect of Blast Furnace Sludge (BFS) Characteristics on ...

    for recycling of blast furnace sludge. Keywords Blast Furnace Sludge (BFS), Characterization, Recycling 1. Introduction Blast furnace sludge (BFS) is a metallurgical waste generated by the ironmaking process [1] [2]. This sludge is a mixture of oxides whose major components are

  • Determination of optimum blast furnace slag cooling rate ...

    Determination of optimum blast furnace slag cooling rate ...

    Determination of optimum blast furnace slag cooling rate for slag recycling in cement manufacture Y. L. Qin1,*2, J. Zhang2, J. L. Hao2 and C. G. Bai2 The crystallisation behaviour of molten blast furnace slag was observed in situ using the single hot

  • Strength and Durability of a 70% Ground Granulated Blast ...

    Strength and Durability of a 70% Ground Granulated Blast ...

    Ground granulated blast furnace slag (GGBFS) has been used in the construction industry for years as a replacement for ordinary portland cement (OPC). GGBFS is a byproduct of the iron production process, and consists mostly of calcium silicates and aluminosilicates.

  • Recovery and Use of Blast Furnace Slag in the Field of ...

    Recovery and Use of Blast Furnace Slag in the Field of ...

    courage recycling, we base our present study on the de velopment of blastfurnace slag in the road. Construction and road maintenance require huge amounts of aggre gates, rather restrictive specification road that only cer tain categories of materials are commonly used [6,7].

  • Granulated Blast Furnace Slag  Steel

    Granulated Blast Furnace Slag Steel

    * The majority of components in Granulated Blast Furnace Slag are various glassy Metallic Silicates (Iron, Calcium, Magnesium, Aluminum, and Titanium Silicates), including: Dicalcium Silicate (Ca 2 SiO 4 ), Merwinite (Ca 3 MgSi 2 O 8 ), and Gehlenite (Ca 2 Al 2 SiO 7 ) .

  • Processing of Granulated Blast Furnace Slag and its ...

    Processing of Granulated Blast Furnace Slag and its ...

    GBFS has to be grind to get Ground Granulated Blast Furnace Slag (GGBFS) having large fineness. When GGBFS is mixed with water, initial hydration is much slower as compared with Portland cement. Therefore, Portland cement or alkali salts are used to increase the reaction rate.

  • Performance of Ground Granulated Blast Furnace Slag ...

    Performance of Ground Granulated Blast Furnace Slag ...

    Aluminosilicates of calcium developed simultaneously with iron in a blast furnace. Different forms of slag product are aircooled blast furnace slag (ACBFS), expanded or foamed slag, palletized slag, and granulated blast furnace slag depending on the method used to cool the molten slag . Past result GGBFS (Slag.

  • RECYCLING OF FLUE DUST INTO THE BLAST FURNACE

    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 coldbonded dust briquette.

  • Pig iron blast furnace route | International Iron ...

    Pig iron blast furnace route | International Iron ...

    Immediately in front of the tuyeres is the combustion zone, the hottest part of the furnace, 1,8502,200°C, where coke reacts with the oxygen and steam in the blast to form carbon monoxide and hydrogen [as well as heat] and the iron and slag melt completely.

  • Blast Furnace Slag – IspatGuru

    Blast Furnace Slag – IspatGuru

    Apr 10, 2013· Blast Furnace Slag Blast furnace (BF) slag is a nonmetallic by product produced during the process of iron making in a blast furnace. It consists primarily of silicates, aluminosilicates, and calciumaluminasilicates. The molten slag usually absorbs most of the sulfur from the blast furnace charge.

  • RECYCLING OF FLUE DUST INTO THE BLAST FURNACE

    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 coldbonded dust briquette.

  • recycling of blast furnace slag

    recycling of blast furnace slag

    recycling of blast furnace slag kconsultingcoza. Concrete aggregate : Iron and steel slag products :, The two types of concrete aggregate that are manufactured using iron and steel slag as a raw material and which are covered by JIS standards are blast furnace slag aggregate and electric arc furnace oxidizing slag aggregate.

  • blast furnace slag French translation – Linguee

    blast furnace slag French translation – Linguee

    Many translated example sentences containing "blast furnace slag" – FrenchEnglish dictionary and search engine for French translations. Look up in Linguee; Suggest as a translation of "blast furnace slag" ... of recycling waste or industrial [...] byproducts such as blastfurnace slag (from steel making) [...] and fly ash (from coalburning ...

  • Strategy Paper On Resource Efficiency in Steel Sector ...

    Strategy Paper On Resource Efficiency in Steel Sector ...

    Steelmaking process are generally classified under two heads, namely, Blast FurnaceBasic Oxygen Furnace (BFBOF) route and Electric Arc Furnace (EAF) and /or Induction Furnace (IF) route. The BFBOF route (primary sector) caters to around 45% of India's steelmaking capacity, while the remaining

  • Slag Cement Association > About Slag Cement > IS01

    Slag Cement Association > About Slag Cement > IS01

    The material resulting from the solidification of molten blastfurnace slag under atmospheric conditions. Subsequent cooling may be accelerated by application of water to the solidified surface. (This material can be mined and crushed for use as aggregates in concrete or fill material; it is not cementitious). Expanded blastfurnace slag: