Available from: http://www.cwejournal.org/?p=5746, Download article (pdf) Citation Manager The metals uptake by the plants is affected by the soil properties. Blast furnace slag is made during the melting and reduction of iron […] Use of Steel Slag in Agriculture and for Reclamation of Acidic Lands Introduction This guide discusses the use of steel slag, a co-product of the steel making process, as a substitute for limestone for agricultural applications, and its use in reclamation of acidic lands. Most slags from steel pl ant derive from this pr ocess, with an average of 150-200 kg of slag generated per tonne of st eel produced. Iron and steelmaking slags (ferrous slags) are co-products of the iron and steel making industry. LD steel slag as fertilizer in agriculture. It might seem counter-intuitive, but steel slag has exactly the right chemical composition to do this. Sorry, preview is currently unavailable. 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. to Nippon Slag Association’s statistics on the use of slag in 2012, the total consumption of blast furnace and steelmaking slags for fer-tilizer and soil amendment was 260 000 tons. 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. In Europe, USA, Japan, China, Korea, and Hawai steel slag has been utilized in agriculture as a liming material for improving acid soil or as Si source for paddy rice Disposal of different wastes produced from different Industries is a great problem for any country. Publish History, Enviro Research Publishers, 14 Green House, Prince Colony, Shahjahanabad, Bhopal-462 001, Madhya Pradesh, India, Copyright 2021 © Current World Environment, Water Relations of Two Adjacently Growing Tree Species Shorea Robusta Gaertn-and Pinus Roxburbhii Sarg-in the Lower Himalayan Region. Although in recent years slag use has increased, the application for agriculture purposes needs to be further investigated. Creates a general soil fertilizer containing a good balance of various fertilizer components needed by crops, including silicate, iron oxide, lime, magnesia, phosphate, manganese, and boron. The use of steel slag in agriculture produces not only economic but also ecological advantages. With the requirements of sustainable development in China, the utilization of steel slag has become a hot issue. Owing to its high Si content, the use of slag as silicate fertilizer is gaining demand. In agriculture, slag aggregates (Ag-Slag) have been used as an agricultural liming material since the 1920's in all types of crop production and landscaping. Steelmaking slag deriving from BOF process (using the Linz-Donawitz (LD) converter) comes from the pig iron refining process, wh ich converts molten pig iron and steel scraps into high quality steel. (14-21), ISSN 0304-386X, Ali, M.T. Steel slag as a solid waste with great development 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. For example the Cr and V contents into potatoes are reduced in soils with higher content of organic matter and with a … Through an in-depth study on steel slag, it is apparent that it has been widely used in various fields in recent years. On the other hand, the increase of slags recovery and use in different fields of application, such as in agriculture, allowed to reduce landfill slags and to preserve natural resources. Steelmaking slag is an integral part of the steelmaking process. Material Recycling - Trends and Perspectives, 2012, Use of Steel making Slag as a soil conditioner to improve the stability of soil for land development, Recycling and environmental issues of metallurgical slags and salt fluxes, Some environmental aspects of BF, EAF and BOF. Impact of Iron and Steel Slag on Crop Cultivation: A Review. In Europe, USA, Japan, China, Korea, and Hawai steel slag has been utilized in agriculture as a liming material for improving acid soil or as Si source for paddy rice and sugar cane plants. The increasing quantities of slag that are deposited on the land cause the removal of more and more lands from the agricultural circuit and an increse in the costs of recycling them. 1-4, pp. 5, (2007), pp. 2.2 Steel slag and limespoil: production and chemistry 9 2.2.1 Steel slag 9 ... 2.4.2.2 Utilization in the agriculture and construction sectors 26 2.5 Mechanisms of trace element mobility in soils and waste systems 29 . As early as the 1930s, steel slag was being used as an agricultural amendment in Iron oxides and manganese give vitality to roots. Curr World Environ 2014;9(1). Enter the email address you signed up with and we'll email you a reset link. To browse Academia.edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser. Boosts root activity, reducing the wilting of lower leaves. The government is particularly interested in using slag in areas with acidic soils, mostly in the eastern part of the country where productivity is lower, according to the Financial Express newspaper. Silicate, lime, phosphate, and magnesia create healthy rice plants. Silicified cells form on leaf surfaces, preventing rice blight. In this paper, the common ways of resource utilization of steel slag in construction, agriculture, industry, and catalysis are reviewed. The materials are used to maximise yields of cultivated crops and pasture, improve soil texture and neutralize high soil acidity. Steel Slag Price - Select 2020 high quality Steel Slag Price products in best price from certified Chinese Steel Slag Pot manufacturers, Cast Steel Slag Ladle suppliers, wholesalers and … can steel slag serve even partially as perlte /vermiculite in agriculture applications? Leaching of vanadium from LD converter slag using sulfuric acid. Physical and chemical characterization of steel slag is a deciding factor of steel slag utilization as recycled raw material as road aggregate, cement … 2008), Zhang XiangYu; Zhang Hua; He PinJing; Shao LiMing; Wang RuYi; and Chen RongHuanBeneficial reuse of stainless steel slag and its heavy metals pollution risk.Research of Environmental Sciences 21(4): 33-37. The results of the researchers with the use of steel slag in agriculture have demonstrated that the proper application of these residues brings benefits on the chemical attributes of the soil, such as increase of pH in acidic soils; increase in the nutrient content of phosphorus, calcium, and magnesium; and increase in the content of the beneficial element silicon [6, 11, 12, 13, 14]; these aspects contribute to greater … Improves ripening in later growth stages. (2007). 2.2 Fertilizers made from blast furnace slag and steelmaking slag Iron and steel slag can largely be divided into blast furnace slag and steelmaking slag. These materials pose environmental pollution in the nearby locality because many of them are nonbiodegradable. India: The Ministry of Steel has asked that the Ministry of Agriculture examine using slag from steel and iron production as a fertilizer. Impact of Iron and Steel Slag on Crop Cultivation: A Review. The integrated steel plants in the country generate large volumes of steel slag having more than 50% of free lime. Hydrometallurgy, Vol. The value of silicon (Si) application for rice (Oryzasativa) has been demonstrated when soil soluble Si is low.Impact of solid waste on crop cultivation depends on the availability and quantity of different constituents like PH, Ammonia, Nitrites, Nitrates, Permanganate Value (PV), Biochemical Oxygen Demand (BOD5 or BOD), Chemical Oxygen Demand (COD), Total Suspended Solids (TSS) and Turbidity, Total Dissolved Solids (TDS) etcpresent in the solid waste.This has also been discussed in this review paper. Slag can be used as a soil conditioner (high content of Ca and Mg), Si supply (improves the crops resistance to pests and diseases), … Properties and Uses of Steelmaking Slag. “The use of steel slag may be one of the most green solution which may avoid accumulation of large wastes in steel plants as well as help in treatment of soil for improving crop productivity at low cost,” the steel ministry said. Its alkaline property remedies soil acidity [67]. Slag is the glass-like by-product left over after a desired metal has been separated (i.e., smelted) from its raw ore.Slag is usually a mixture of metal oxides and silicon dioxide.However, slags can contain metal sulfides and elemental metals. The Euroslag Association has shown that converted lime from steel slag is suitable for several kinds of soils. &Shahram, S.H. It appears in concrete, aggregate road materials, as ballast, and is sometimes used as a component of phosphate fertilizer. Steel slag is by-product formed in the process of steel manufacturing. (slag), generated by the production of iron/steel, draws more attention to the need to recycle them more efficiently. (715-720), ISSN 1560-8530, Peregrina, F.; Mariscal, I.; Ordonez, R.; Gonzalez, P.; Terefe, T.; and Espejo, R Agronomic Implications of Converter Basic Slag as a Magnesium Source on Acid Soils..Soil Science Society of America Journal 72(2): 402-411. They are non-metallic rock-like materials which are produced together with the metallic products of these processes. (Increases thousand kernel weight.). Converter slag as a liming agent in the amelioration of acidic soils. Application in agriculture Steel slag contains fertilizer components CaO, SiO 2 , and MgO. This review paper addresses the issuesto analyze the impacts of Iron and Steel slag on crop cultivation. The government is particularly interested in using slag in areas with acidic soils, mostly in the eastern part of the country where productivity is lower, according to the Financial Express newspaper. Depending on the iron and steel production process different slag types can be manufactured. 9, No. India: The Ministry of Steel has asked that the Ministry of Agriculture examine using slag from steel and iron production as a fertilizer. The efforts have been made in Tata steel that LD slag after grinding to 300 mesh, can be used as a soil conditioner in paddy field, tea gardens etc (Basu et al., 2002). Steel slag is a large amount of residual material produced in the process of steel manufacturing. (Mar. Academia.edu no longer supports Internet Explorer. increases harvests by increasing the number of unshelled rice kernels and thousand kernel weight. In industrial countries, the use of steel slag in agriculture is mature (Wang and Qing, 2006). Especially in densely populated Because blast furnace slag contains fertilizer components CaO, SiO 2, and MgO, it is used in rice cultivation as calcium silicate fertilizer.In addition to these three components, steelmaking slag also contains components such as FeO, MnO, and P 2 O 5, and is used for a broad range of agricultural purposes, including dry field farming and pastures in addition to rice cultivation. The physical and chemical characteristics of steel slag are summarized, and the pretreatment progress of steel slag in steel industries as recycled raw material was introduced. Steel slag is by-product formed in the process of steel manufacturing. DOI: http://dx.doi.org/10.12944/CWE.9.1.31, Humaria M. S. Y. www.nationalslag.org/.../nsa_185-5_bf_slag_as_agricultural_liming_mat, http://www.intechopen.com/books/material-recycling-trends-and-perspectives/possible-uses-of-steelmaking-slag-in-agriculture-an-overview, Aarabi-Karasgani, M., Rashchi, F., Mostoufi, N. &Vahidi, E. (2010). Through an in-depth study on steel slag, it is apparent that it has been widely used in various fields in recent years. Since 1880, steel slag was used as phosphate fertilizer because of the amount of high phosphorus ore in western Europe (Motz and Geiseler, 2001). International Journal of Agriculture and Biology, Vol. In recent years, several studies have revealed that the slag-based fertilizer amendment in agriculture has great promise to improve crop productivity (White et al., 2017; Gwon et al., 2018), alleviate soil acidification (Ning et al., 2016), mitigate greenhouse gas (GHG) emissions (Wang et al., 2015; Gwon et al., 2018), and stabilize heavy metals in contaminated soils (Ning et al., 2016), which … It is produced during the separation of the liquid steel from impurities in steelmaking furnace and is a non-metallic by-product of steelmaking process. Steel slag is a large amount of residual material produced in the process of steel manufacturing. 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