Queensland Steel Converter Slag Utilization

Sustainable Approaches for LD Slag Waste Management in ...

During the steel production process, considerable amounts of solid wastes are being generated in steelmaking units such as blast furnace (BF) slag, tar sludge, flue dust, Linz–Donawitz (LD) converter slag…

Chemical characteristics of iron and steel slag : NIPPON ...

pH Due to the effects of the limestone it contains, the pH of iron and steel slag increases to 10 – 12 when it reacts with water, indicating alkalinity that is the same or lower than that of recycled concrete base course material and cement-stabilized soil.

Progresses and Future Prospects of Steelmaking Technologies

Utilization of steelmaking slag Fe and P collection from steelmaking slag. 74 JFE TECHNICAL REPORT No. 22 ... quality of steel products and reduce generation of steel slag based on production of low-P, low-S steel by hot ... After the high SiO2 slag in the converter …

Eloneva: Reduction of CO2 Emissions by Mineral Carbonation ...

The utilization of CaCO 3 derived from steelmaking slag to replace some of the synthetic CaCO 3 used in industry would simultaneously save material resources, reduce carbon dioxide emissions, and provide a new utilization option for the low-value slag.

The Present Situation and Development of Iron and Steel Slag

processing and comprehensive utilization of steel slag and tailings. wo Tways of slag utilization were proposed, be used as sintering burdenand be used for cement, building materials and road materials.

Production and applications of electric-arc-furnace slag ...

Slag, a by-product of steelmaking industries, has invaluable potentials for various environmental applications. Slag is generally produced in different types of furnaces working under various operating conditions and contains alumina, calcium oxide, silica and so on.

A NEW PROCESS FOR PRODUCTION OF CEMENT CLINKER …

For LD (BOF) converter slag, which accounts for about one third of the total slag produced in an integrated steel plant, such stable value-add market and proven technical solution does not exist yet.

China Symposium on Sustainable Steelmaking Technology 2018 ...

Title: " Utilization of Modified Mg Slag for Steel Refining to Enhance Sustainability for both Mg Production by Pidgeon Process and BOF Steelmaking " 17. YOUNG, Jack , HATCH Association / University of Toronto , Canada

SLAG FROM PRODUCTION OF PIG IRON AND STEEL MAKING …

1 Cast converter slag includingslopping from the converter. 2 Ladle slag including slag from electric steel plant (about 3 kt) 3 Data in year 2007. In 2006 the built new steel plant furnace and ...

Environmental aspects of the utilization of steel industry ...

HILTUNEN, R.and HILTUNEN, A. Environmental aspects of the utilization of steel industry slags. VII International Conference on Molten Slags, Fluxes and Salts, The South African Institute of Mining and Metallurgy, 2004.

Use of steel slag in construction of flexible pavement - IJEIT

Use of steel slag in construction of flexible pavement Sandip.S.Patil, S.S.Bachhav,. D.Y.Kshirsagar ... Technical specification of steel slag is developed for utilization in the construction of embankment, sub grade and sub base layer of ... consists of converter slag (Basic oxygen furnace slag) that is ...

Basic oxygen furnace slag - BOS: Euroslag

Basic oxygen furnace slag - BOS (also called LD-converter slag) is formed during the conversion of hot metal from the blast furnace into steel in a basic oxygen furnace. In this process the hot metal is treated by blowing oxygen to remove carbon and other elements that have a high affinity to oxygen.

THE EFFECT OF COOLING RATE OF SLAG FROM PRIMARY …

Mihajlović - The effect of cooling rate of slag from primary copper production … 129 In Table 1 an overview is given of copper content in flotation tailings in smelters which process slag by flotation. Table 1. Copper content in flotation tailings in different smelters

An Overview of Utilization of Steel Slag - ScienceDirect

The current utilization rate of steel slag is only 22% in china, far behind the developed countries. At present, the amount of slag deposited in storage yard adds up to 30Mt, leading to the occupation of farm land and serious pollution to the environment.

Comprehensive utilization and discussion of Iron and steel ...

MgO and iron oxide in converter steel slag content in 40~50% [3]. and recycle iron components of steel slag. calcium-magnesia phosphate fertilizer and other fertilizers. and desulphurize waste gas. Sintered flux was mostly limestone.

Utilization of Solid Waste from Steel Melting Shop

In steel Industry, the production of steel is associated with the generation of solid waste materials like slag, dust, sludge, etc. Significant quantities of wastes are generated from steelmaking process which is a focus point now-a-days w.r.t its utilization as well as

Pilot production of steel slag masonry blocks - Canadian ...

Masonry blocks are usually made of Portland cement and cured by steam. This study explores the possibility of making masonry blocks using steel slag as binder and carbon dioxide as curing activator.

Development of H2 Production Process with Utilization of ...

2 Production Process with Utilization of Steelmaking Slag Hiroyuki MATSUURA, Makoto SATO and Fumitaka TSUKIHASHI ... from converter slag is estimated to be 2.4×10. 16. J, which is equivalent to the annual energy consumption of 570,000 ... Iron and steelmaking process via blast furnace converter process from iron ore is an essential steel ...

An overview of utilization of slag and sludge from steel ...

Steel plant slags mainly include blast furnace slag and steel melting slag (open hearth or LD process slag). Various efforts have been made on the utilization of blast furnace and steel slags. These are competitive raw materials for industrial mineral industry.

CONVERTER GAS AND WASTE WATER TREATMENT BY OG …

CONVERTER GAS AND WASTE WATER TREATMENT BY OG-SYSTEM IN STEEL SMELTING INDUSTRY Thesis CENTRIA UNIVERSITY OF APPLIED SCIENCES Degree Programme in Chemistry and Technology February 2013 . ... furnace slag, converter slag…

UDC 669 . 184 . 244 . 66 - Nippon Steel & Sumitomo Metal

of steel per annum, one of the largest single steelmaking plant in the world. This paper ... increase in the utilization ratio (net working ratio). These mea- ... slag; however, the slag pot was too small and the converter tilting speed for deslagging was restricted to avoid slag overflow. If deslag-

Steel Slag - Material Description - User Guidelines for ...

Steel slag, a by-product of steel making, is produced during the separation of the molten steel from impurities in steel-making furnaces. The slag occurs as a molten liquid melt and is a complex solution of silicates and oxides that solidifies upon cooling.

Solid Waste Management in a Steel Plant | ispatguru.com

Solid Waste Management in a Steel Plant ... Some steel producers report a co-products utilization and recycling rate as high as 99 %. The main co-products from iron and crude steel production are slags, dusts, scrap and sludges. ... The main waste materials in the BOF steel making are converter slag, scrap, waste refractories, converter muck ...

Natural Radioactivity in Steel Slag Aggregate : Archives ...

This paper presents the results of radiochemical testing of steel slag and steel slag aggregates for the purpose of its use in the production of construction material. ... M. Dziarmagowski, Possibilities of converter slag utilization. Arch. Metall Mater 50, 3, 769-782 (2005).

Carbonation-Activated Steel Slag Binder for Cement ...

Steel slag is the by-product of steel making process. Because of its chemical composition and high temperature process, steel slag is carbon dioxide reactive. This property can be utilized to develop steel slag binder to replace Portland cement in making precast building products.

Utilization of steel melting electric arc furnace slag for ...

Utilization of steel melting electric arc furnace slag for development of vitreous ceramic tiles 295 shows wustite (FeO) and gehlenite (2CaO, Al2O3, SiO2) as the major phase and bredigite (14CaO 2MgO 8SiO 2) as the minor one.

UDC 669 . 054 . 82 : 669 . 184 . 244 . 66 Processing and ...

nologies for expanding the processing and reuse of iron/steel slag, especially the use of BOF steelmaking slag (BOF slag) as an “envi- ... desulfurization, etc.), slag flowing out from the converter into the molten steel ladle, and slag formed during the secondary refining treatment (this slag is sometimes called “secondary refining slag ...

An Overview of Utilization of Steel Slag - researchgate.net

utilization way of steel slag is closely related to its chemical and physical characteristics. Table 2 lists the relationship between the characteristics and application fields of steel slag.

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

LD converter steel making slag is one of the important wastes in all integrated steel plant. The total generation rate of LD slag is 150-180kg/t of crude steel in India (Yadav et al., 2002). The generation per annum is 1.28 MT in SAIL (Basu, 2002) and worldwide generation is about 47 MT per annum (Takano et …

Publication€V 2010.€Feasibility€study€of€a€method ...

The effect of grain size was tested by dissolving 10 g of steel converter slag (0-125, 125-250, 250-500, 500-1000, 1000-2000 and 2000-3000 μm) provided by Ruukki’s Raahe Works in 500 ml solution of ammonium nitrate (2 M) at 30 °C.