Slag recycling recovery
The three most important trends for slag recycling relate to further investments in granulation plants for blast furnace slag, the increase in slag trading with separate slag grinding plants and the increasing use of steelworks slag as an additive for the concrete industry.
Recycling Ladle Furnace Slag as Flux in Steelmaking: A
2019-9-16 LF slag recycling was tested at JSW Steel, Vijayanagar Works, India by means of Al-killed ladle furnace slag as a replacement to synthetic slag. The recycling
Recycling of ladle furnace slags Research Online
2020-10-13 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). However, due to the fact that ladle
Recycling Ladle Furnace Slag as Flux in Steelmaking: A
Ladle furnace (LF) slag can be used as a replacement to synthetic fluxes owing to its chemical and mineralogical compositions. Valorization of LF slag helps in sustainable steelmaking and also...
Recycling of Basic Oxygen Furnace Slag as a Raw Material
2020-7-22 Abstract:The purpose of this study was to recycle basic oxygen furnace (BOF) slag in the production of autoclaved aerated concrete (AAC), and to examine the influence on the properties of AAC products. The magnetic substances in the BOF slag accounted for about 15 wt.% and the magnetic proportion increased as the particle size decreased.
Sustainable Recycling of Electric Arc Furnace Steel Slag
2021-1-7 Sustainable Recycling of Electric Arc Furnace Steel Slag as Aggregate in Concrete: Effects on the Environmental and Technical Performance Alessandra Diotti 1,*, Luca Cominoli 1, Adela Perèz Galvin 2, Sabrina Sorlini 1 and Giovanni Plizzari 1 Citation: Diotti, A.; Cominoli, L.; Galvin, A.P.; Sorlini, S.; Plizzari, G. Sustainable Recycling of
UG-Mat Blast Furnace Slag Recycled Materials Resource
Granulated blast furnace slag is a glassy granular material that varies, depending on the chemical composition and method of production, from a coarse, popcornlike friable structure greater than 4.75 mm (No. 4 sieve) in diameter to dense, sand-size grains
Recycling of induction furnace steel slag in concrete for
2021-5-24 In the present investigation, induction furnace (IF) steel slag as coarse aggregate with 0%, 20% and 40% replaced concrete specimens of size 150 × 150 × 150 mm was prepared as an initiative to utilize iron-rich IF steel slag. The casted concrete specimens were cured for 28 days at room temperature (28 °C) in freshwater, and the obtained compressive strength is 22.5, 24.0 and 29.2 N/mm2
The recycling and reuse of steelmaking slags — A review
2019-7-1 During the blast furnace process limestone (CaCO 3) flux is added, to collect the waste products produced: silica (SiO 2), phosphorus pentoxide (P 2 O 5), calcium sulfide (CaS), magnesia (MgO) and alumina (Al 2 O 3).This forms blast furnace (BF) slag, which floats on top of the surface of the hot metal (Peters, 1982).The blast furnace is designed to work in a counter-current manner, meaning
A novel recycling approach for efficient extraction of
2021-2-1 The recycling of high-titanium-bearing blast furnace slag (TiO 2 > 23 wt.%) is an urgent problem that has attracted global research attention. To achieve high-efficiency, low-consumption, clean, and high value-added recycling utilization, a new process is proposed herein, which entails reacting a CH 4-H 2-N 2 gas mixture with the titanium-bearing blast furnace slag to initially produce Ti(C, N
Recycling of ladle furnace slags Request PDF
[Show full abstract] of molten blast-furnace slag in slag-processing shops in 1988 reduced the production cost of pig iron by 24 million rubles. The use of steel-making slags in pig-iron
Recycling of Basic Oxygen Furnace Slag as a Raw Material
The purpose of this study was to recycle basic oxygen furnace (BOF) slag in the production of autoclaved aerated concrete (AAC), and to examine the influence on the properties of AAC products. The magnetic substances in the BOF slag accounted for about 15 wt.% and the magnetic proportion increased as the particle size decreased. The nonmagnetic portion of the BOF slag was acquired by a
EAF slag recycling
EAF Slag is produced in an Electric Arc Furnace. The visual appearance of the slag is a dark greyish colour. With respect to other slags (blast furnace slag), it can be tougher, with a density of about 20 25% greater than basalt or BFS.
Low-alloy arc furnace slag recycled into new products
Recycling and reusing products from our production is of great importance and in line with TON's sustainability goals. One of these initiatives is the handling and recycling of slag from steelmaking, which has resulted in a 100% possible recycling of the electric arc furnace slag
UG-Mat Blast Furnace Slag Recycled Materials Resource
Blast furnace slag is a nonmetallic coproduct produced in the process. 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 percent by mass of
A novel recycling approach for efficient extraction of
2021-2-1 The recycling of high-titanium-bearing blast furnace slag (TiO 2 > 23 wt.%) is an urgent problem that has attracted global research attention. To achieve high-efficiency, low-consumption, clean, and high value-added recycling utilization, a new process is proposed herein, which entails reacting a CH 4-H 2-N 2 gas mixture with the titanium-bearing blast furnace slag to initially produce Ti(C, N
ThermodynamicAnalysis Slag Recycling Using Slag
Onefrom the desiliconization furnace andanother from the final dephosphorization furnace. Theformer slag would haveno problemto be returned to a blast furnace or to a sintering process due to its low phosphorus content, while the latter could be used as fertilizer materials for its high phosphoruscontent such as IOmassO/o.
Metal Entrapment in Slag during the Aluminium
2015-10-13 Metal Entrapment in Slag during the Aluminium Recycling Process in TRF Proceedings of EMC 2015 1 Metal Entrapment in Slag during the Aluminium Recycling Process in Tilting Rotary Furnace Dipl.-Ing. Marion Thoraval, Prof. Dr.-Ing. Dr. h.c. B. Friedrich RWTH Aachen University IME Process Metallurgy and Metal Recycling Intzestraße 3 Aachen, Germany
AluSalt™ Altek Altek Altek
Altek designed and supplied a 20,000 TPA salt slag recycling facility within the UAE. The customer is responsible for recycling much of the dross generated in the region via Tilt Rotary Furnace salt flux operation, and now recovers the valuable aluminum and salts for re-use in their process, and sells the remaining oxides into the local cement industry.
THE SUBMERGED ARC FURNACE (SAF) STATE OF ART IN
2017-4-3 5th International Slag Valorisation Symposium Leuven 3-5/04/2017 1 . THE SUBMERGED ARC FURNACE (SAF) STATE OF ART IN METAL RECOVERY FROM NON-FERROUS SLAGS. Bernd FRIEDRICH1, Michael KALISCH2, David FRIEDMANN1, Rolf DEGEL2. 1 IME Process Metallurgy and Metal Recycling, RWTH Aachen University, 52072 Aachen, Intzestr. 3, Germany . 2 SMS Group
Recycling of Basic Oxygen Furnace Slag as a Raw Material
The purpose of this study was to recycle basic oxygen furnace (BOF) slag in the production of autoclaved aerated concrete (AAC), and to examine the influence on the properties of AAC products. The magnetic substances in the BOF slag accounted for about 15 wt.% and the magnetic proportion increased as the particle size decreased. The nonmagnetic portion of the BOF slag was acquired by a
"Recycling of ladle furnace slags" by Sima Aminorroaya
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). However, due to the fact that ladle furnaces(LF) have only been constructed in significant numbers since the 1980's, the relatively low
Low-alloy arc furnace slag recycled into new products
Recycling and reusing products from our production is of great importance and in line with TON's sustainability goals. One of these initiatives is the handling and recycling of slag from steelmaking, which has resulted in a 100% possible recycling of the electric arc furnace slag
RECYCLING POSSIBILITIES OF THE SLAG FROM CUPOLA
2018-10-11 The slag that is cooled slowly, crystallizes. Possibilities of using cupola furnace slag are dependent on chemical, mineralogical and physical chemical properties, and this allow its utilisation in different fields of industry. The paper describes way of cupola furnace slag processing, the slag basic properties, and impact on next utilization.
ThermodynamicAnalysis Slag Recycling Using Slag
Onefrom the desiliconization furnace andanother from the final dephosphorization furnace. Theformer slag would haveno problemto be returned to a blast furnace or to a sintering process due to its low phosphorus content, while the latter could be used as fertilizer materials for its high phosphoruscontent such as IOmassO/o.
Recycling and environmental issues of metallurgical slags
2009-8-26 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.
Waste Slag Recycling Boilers-ZBG Boiler
2021-8-2 The membrane water wall structure is adopted on both sides of the furnace, which not only ensures the sealing of the furnace, but also improves the thermal efficiency of the boiler. Precautions of Waste Slag Recycling Boilers: 1. The quality of the burner must be good, and it needs to be compatible with the fuel used.
AluSalt™ Altek Altek Altek
Altek designed and supplied a 20,000 TPA salt slag recycling facility within the UAE. The customer is responsible for recycling much of the dross generated in the region via Tilt Rotary Furnace salt flux operation, and now recovers the valuable aluminum and salts for re-use in their process, and sells the remaining oxides into the local cement industry.
slag recycling « Slag
2021-8-4 Photo: Paul Tait 3D slag recyclics 3D Slag Recycling and Recycling Australia (3DSR) was set up in 2016 to collect, store and recycle 3D Printed Materials (3DMs) produced by the industry. While 3DMs are often used to make objects like 3D glasses, this type of material is often discarded as waste.
Estimation of the Environmental Impact for Recycling Blast
Blast furnace (BF) slag has been recycled in the construction industry mainly as cement and concrete. However, in the past few years, recycling conditions have changed and other recycled materials have become dominant; thus, new applications for BF slag need to be considered.
