Leaching of metals from steel slag has also been studied (Fallman et al. Akinwumi [ 26] concluded that steel slag can be used as a low cost soil modifier for … Bioremediation approaches assist in the removal of heavy metals in the soil. Enter the email address you signed up with and we'll email you a reset link. (PDF) Soil Modification by the Application of Steel Slag | Isaac Akinwumi - Academia.edu This paper provides experimental insights on the modification of a soil using electric arc furnace (EAF) steel slag, which is limitedly used as a construction material because of its volumetric instability. By using our site, you agree to our collection of information through the use of cookies. Sorry, preview is currently unavailable. To browse Academia.edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser. Soil stabilization is an area where bulk utilization of steel slag is possible. Steel slag offers considerable cost advantages over commercial limestone and has been successfully utilized as a substitute for limestone to neutralize soil acidity in agricultural soils in several countries. Table2:-Chemical composition of steel slag Constituents Composition (%) In the study, expansive soil is replaced with different CaO 40-50 proportions of Waste Iron slag and various tests are carried FeO 20-30 out to find the specific gravity, Atterberg limits, maximum SiO2 … In this paper, an attempt has been made to utilize the steel slag in improving the geotechnical strength characteristics of soft clayey soil. You can download the paper by clicking the button above. 2005, Gomes and Pinto 2006, Huijgen and Comans 2006, Mayes et al. Granulated slag for civil engineering works is used for purposes including coastal protection backfill, earth covering for correcting soft ground, road subgrade, and embankments. To learn more, view our, Analysis of Soil Stabilization by Utilizing Iron Mineral by Products Steel Slag, International Journal of Trend in Scientific Research and Development - IJTSRD, Performance Analysis Of Expansive Soil Treated With Stone Dust and Fly ASH, ASSESSMENT OF CALCIUM CARBIDE WASTE AND CALCINED CLAY AS STABILIZER IN FLEXIBLE PAVEMENT CONSTRUCTION, ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT, An Experimental Study on Stabilization of Red Soil by G.G.B.S and Jute Fibre, International Journal of Scientific Research in Science, Engineering and Technology IJSRSET, A PRELIMINARY INVESTIGATION ON THE GEOTECHNICAL PROPERTIES OF BLENDED SOLID WASTES AS SYNTHETIC FILL MATERIAL. 96 . Steel slag is a calcium-rich industrial waste. Sorry, preview is currently unavailable. Various models have been proposed to model aqueous carbonation of steel slag. amendment for increasing rice yields in a subtropical paddy field in Fujian Province . generally decreased, while specific gravity of soil " steel slag mixtures increased with higher steel slag content; MDD and OMC increased and decreased, respectively, with higher steel slag content. 10.1371/journal.pone.0168163 [PMC free article] [Google Scholar] Oelkers E. H., Gislason S. R., Matter J. The permeability coefficient can reach the order of magnitude more than 10 −5 when more than 70% of steel slag was added to silt soil. 2000, Apul et al. 2011). The recycling usage of steel slag is limited due to the mutative chemical compositions it contains and its low cementation. 1 Local soil is a material having specific gravity of 2.10 and Steel Slag having specific gravity 4.28. A consecutive early rice-late rice rotation experiment was conducted to test the impacts of steel slag on soil pH, silicon availability, rice growth and metals-immobilization in paddy soil. The following conclusions have been drawn. Enter the email address you signed up with and we'll email you a reset link. Academia.edu uses cookies to personalize content, tailor ads and improve the user experience. It is made by the separation of the molten steel from impurities while the steel is melted in a large furnace. Slag “Slag is a by-product of steel making. We evaluate the effect of adding slag to soil on its mechanical and reactive properties when compacted. A consecutive early rice-late rice rotation experiment was conducted to test the impacts of steel slag on soil pH, silicon availability, rice growth and metals-immobilization in paddy soil. The optimum mix is found to be in the proportion of 65 C + 20 SS + 5 L + 10 RHA. Steel slag, an unavoidable by-product in iron and steel production, may soon finds its way into agricultural land as soil nutrient, potentially cutting down India’s dependence on fertiliser imports. This work evaluates the potential reuse of steel slag to improve the performance of landfill liners. Mineral carbonation of CO2. Impacts of steel-slag-based silicate fertilizer on soil acidity and silicon availability and metals-immobilization in a paddy soil. Slag is a byproduct of metal smelting, and hundreds of tons of it are produced every year all over the world in the process of refining metals and making alloys.Like other industrial byproducts, slag actually has many uses, and rarely goes to waste. properties of steel slag. LD steel slag for soil stabilization and soil conditioner. As a result of growing environmental awareness, iron and steel slag is highly regarded as a recycled material that can reduce impacts on the environment due … After the slag is collected from the separation process it is then cooled using different processes depending on the final size of the product. This steel … The feasibility of utilizing of Steel Slag and Local soil in construction of flexible pavement with variation of Percentage in soil. Used soil is a loessical silt from the center of Argentina which is … Steel slag is a complex mixture of oxides, such as CaO, MgO, and SiO 2, which can undergo hydration reactions with H 2 O, increasing the alkalinity, adsorption capacity, and chemical precipitation ability of solutions 19. Steel slag resulted in an increase in the unsoaked and soaked CBR, the unconfined compressive strength, and permeability of the soil. nutrients and rice production. But during the incubation time the pH decreased. We previously reported that steel slag was an effective . Iron and steel slag utilized for roads is manufactured by crushing and mechanically stabilizing blast furnace and steelmaking slag for use as paving material. On the contrary, the use of slag as a raw material for fertil- izer or soil amendment still remains relatively small—160 2)000 tons for blast furnace slag and 100 000 tons for steelmaking slag. Today, iron and steel slag is used in many fields where its unique characteristics can be put to effective use. Slag-based silicate fertilizer has been widely used to improve soil silicon- availability and crop productivity. PLoS One 11, 1–15. Owing to its high Si content, the use of slag as silicate fertilizer is gaining demand. The reaction mechanism of direct aqueous carbonation of steel slag is first discussed. Academia.edu no longer supports Internet Explorer. The geotechnical properties, shearing strength characteristics, and dynamic properties of stabilized soil have been studied. Any sandy component or quartz component of the original ore automatically carries through the smelting process as silicon dioxide. However, a mixture of these two kinds of waste has the potential to be used as construction materials when mixed, due to chemical reactions forming secondary phases. Academia.edu no longer supports Internet Explorer. Generally, CBR and UCS increased up to 8% steel slag treatment of the soil. Academia.edu uses cookies to personalize content, tailor ads and improve the user experience. Various percentages of pulverized steel Scrap steel reclamation – Steelmaking slag contains around 10 % scrap steel, which can be reclaimed through crushing, sorting, magnetic separation and screening process. The application of steel slag in the soil increases the concentration of Si in the rice straw and promotes a higher yield of grains [ 40 ]. Steel slag is a waste by-product of the steel industry. In an incubation study, by adding to the soil converter slag (from Isfahan steel factory, Isfahan, Iran), containing about 24% of Fe oxides, along with elemental sulphur and organic matter, the soil pH has increased, due to the alkaline pH of slag. Basic slag (CaSiO3) is produced through the open-hearth method of steelmaking and is used to amend highly acidic soil. Slag-based silicate fertilizer has been widely used to improve soil silicon- availability and crop productivity. A wide variety of steel slag prices options are available to you, such as machinery repair shops, manufacturing plant, and building material shops. Uses of steelmaking slag. Slag-based fertilizers applied in Si-deficient paddy soil improved rice growth, productivity, and brown spot resistance [ 39 ]. Slag from steel mills in ferrous smelting, on the other hand, is designed to minimize iron loss and so mainly contains oxides of calcium, silicon, magnesium, and aluminium. 95 . This study aims to investigate the chemical and selected significant geotechnical parameters of steel slag as the alternative materials used in road construction. The uses of byproducts such as blastfurnace slag and steel slag [electric arc furnace slag and basic oxygen steel (BOS) slag, and ground granulated blastfurnace slag] have long been established in a number of applications in the civil engineering industry. Direct aqueous carbonation is one of the routes to slag carbonation. generally decreased, while specific gravity of soil " steel slag mixtures increased with higher steel slag content; MDD and OMC increased and decreased, respectively, with higher steel slag content. Steel LD slag has been used as a liming agent for pasture in Northern Spain. These are described below. 1,163 steel slag prices products are offered for sale by suppliers on Alibaba.com, of which other metals & metal products accounts for 8%, refractory accounts for 2%, and steel scrap accounts for 1%. (2008). To browse Academia.edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser. Use of LD slag has been shown to increase the soil pH. It appears in concrete, aggregate road materials, as ballast, and is sometimes used as a component of phosphate fertilizer. This paper presents the stabilization of expansive soil (C) with steel slag (SS), rice husk ash (RHA), and quick lime (L). In this study, the steel slag has been diluted with soft clayey soil at 5, 10, 15 and 20% of dry weight. The swell potential of the soil steadily reduced with the addition of steel slag. Its pH-raising effect is similar to that of ground limestone. Steelmaking slag has several applications. 4) Adsorption, based on the fact that almost all heavy metal ions can be fixed and adsorbed by clay mineral (bentonite, zeolite, etc. Slags are the final solid wastes from the steel industry. You can download the paper by clicking the button above. 2008, De Windt et al. However, there is a lack of information on the flow of steel slag leachate through natural soils. STABILIZATION OF SOILS WITH STEEL SLAG AND CEMENT FOR APPLICATION IN RURAL AND LOW TRAFFIC ROADS The goal of this study was to increase the bearing capacity of cement stabilized soil system by addition of furnace steel slag, which will also result in a … 2 Steel Slag was found to be non plastic in nature and Some of the steel slag from ironworks and dredged soils from marine and waterfront engineering work are partially treated as waste. Using gravel steel slag-treated silt soil can not only reduce the water content in silt soil but also improve its infiltration capacity. ), a steel slag, furnace slag, etc. Their production from waste and associated materials is a proper implementation of the basic objectives and principles of the waste management. By using our site, you agree to our collection of information through the use of cookies. To learn more, view our, Effect of Corncob ash on the geotechnical properties of Lateritic soil stabilized with Portland cement, Plasticity, Strength and Permeability of Reclaimed Asphalt Pavement and Lateritic Soil Blends, Effects Of Waste Engine Oil Contamination On The Plasticity, Strength And Permeability Of Lateritic Clay, Effects of crude oil contamination on the index properties, strength and permeability of lateritic clay, Soil Stabilization as an Avenue for Reuse of Solid Wastes: A Review. We chose steel slag from the steel industry as the test material to improve soil . 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Si content, tailor ads and improve the user experience improving the strength... To be in the removal of heavy metals in the proportion of C... Usage of steel slag is used to amend highly acidic soil soil been! Of landfill liners pasture in Northern Spain Fujian Province as ballast, and is used to improve the of. A steel slag for use as paving material utilizing of steel making from impurities while the steel slag is from. Gravel steel slag-treated silt soil can not only reduce the water content in soil..., CBR and UCS increased up to 8 % steel slag is limited due the. Approaches assist in the removal of heavy metals in the soil pH linearly 39.... Due to the mutative chemical compositions it contains and its low cementation unique characteristics can be put effective... Used in many fields where its unique characteristics can be put to use! The product, and dynamic properties of stabilized soil have steel slag soil studied Fallman. 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