It appears in concrete, aggregate road materials, as ballast, and is sometimes used as a component of phosphate fertilizer. Sorry, preview is currently unavailable. Hydrometallurgy, Vol. &Shahram, S.H. Steel LD slag can also be used in fertilizers for agricultural applications (Das et al., 2007). 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. Steel slag is a large amount of residual material produced in the process of steel manufacturing. This review paper addresses the issuesto analyze the impacts of Iron and Steel slag on crop cultivation. 102, No. (2007). Especially in densely populated International Journal of Agriculture and Biology, Vol. Depending on the iron and steel production process different slag types can be manufactured. 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. 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. Through an in-depth study on steel slag, it is apparent that it has been widely used in various fields in recent years. Converter slag as a liming agent in the amelioration of acidic soils. Properties and Uses of Steelmaking Slag. 1Kolhan University, Chaibasa, Jharkhand India . India: The Ministry of Steel has asked that the Ministry of Agriculture examine using slag from steel and iron production as a fertilizer. Slag has been used in agriculture for some time, notably in the USA, Germany, and France, and it has proved both effective and cost-efficient. Silicified cells form on leaf surfaces, preventing rice blight. Steel slag is by-product formed in the process of steel manufacturing. Effective in improving iron-poor soil (preventing root rot, leaf blight, and autumn paddy degradation). The metals uptake by the plants is affected by the soil properties. 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. Possible Uses of Steelmaking Slag in Agriculture: An Overview In this paper, the common ways of resource utilization of steel slag in construction, agriculture, industry, and catalysis are reviewed. 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. Boosts root activity, reducing the wilting of lower leaves. 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 … With the requirements of sustainable development in China, the utilization of steel slag has become a hot issue. 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. Physical and chemical characterization of steel slag is a deciding factor of steel slag utilization as recycled raw material as road aggregate, cement … They are non-metallic rock-like materials which are produced together with the metallic products of these processes. To browse Academia.edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser. Curr World Environ 2014;9(1). Although in recent years slag use has increased, the application for agriculture purposes needs to be further investigated. 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. can steel slag serve even partially as perlte /vermiculite in agriculture applications? Leaching of vanadium from LD converter slag using sulfuric acid. Slag can be used as a soil conditioner (high content of Ca and Mg), Si supply (improves the crops resistance to pests and diseases), … With the requirements of sustainable development in China, the utilization of steel slag has become a hot issue. Steel slag as a solid waste with great development (2008); ISSN: 1001-6929. 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. 49M hectares of the country’s arable land has acidic soils from a total of 142M … (14-21), ISSN 0304-386X, Ali, M.T. 9, No. The materials are used to maximise yields of cultivated crops and pasture, improve soil texture and neutralize high soil acidity. The use of steel slag in agriculture produces not only economic but also ecological advantages. Blast furnace slag is made during the melting and reduction of iron […] Iron oxides and manganese give vitality to roots. 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. (Increases thousand kernel weight.). 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 … 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. increases harvests by increasing the number of unshelled rice kernels and thousand kernel weight. 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). 1-4, pp. Downloadable! These materials pose environmental pollution in the nearby locality because many of them are nonbiodegradable. 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. 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). Since 1880, steel slag was used as phosphate fertilizer because of the amount of high phosphorus ore in western Europe (Motz and Geiseler, 2001). Impact of Iron and Steel Slag on Crop Cultivation: A Review. Steel slag is by-product formed in the process of steel manufacturing. For example the Cr and V contents into potatoes are reduced in soils with higher content of organic matter and with a … Promotes photosynthesis by improving light-receiving condition of leaves. 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 … 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. Impact of Iron and Steel Slag on Crop Cultivation: A Review. 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. 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 As early as the 1930s, steel slag was being used as an agricultural amendment in Creates strong stems that resist collapse. Steel slag is a large amount of residual material produced in the process of steel manufacturing. (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. Improves appearance quality, increasing the ratio of highest grade rice. In addition to these three components, it also contains components such as FeO, MnO, and P 2 O 5 , so it has been used for a broad range of agricultural purposes. 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. 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. Iron and steelmaking slags (ferrous slags) are co-products of the iron and steel making industry. 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 . (slag), generated by the production of iron/steel, draws more attention to the need to recycle them more efficiently. 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. You can download the paper by clicking the button above. 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. The resource utilization of steel slag is not only conducive to resource conservation, but also conducive to sustainable production and environmental protection. 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. LD steel slag as fertilizer in agriculture. Owing to its high Si content, the use of slag as silicate fertilizer is gaining demand. 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. Disposal of different wastes produced from different Industries is a great problem for any country. India: The Ministry of Steel has asked that the Ministry of Agriculture examine using slag from steel and iron production as a fertilizer. The main problem concerning the utilization of steel slag in agriculture consists of the possible leaching of heavy metals. Steelmaking slag is an integral part of the steelmaking process. The integrated steel plants in the country generate large volumes of steel slag having more than 50% of free lime. It might seem counter-intuitive, but steel slag has exactly the right chemical composition to do this. Available from: http://www.cwejournal.org/?p=5746, Download article (pdf) Citation Manager For agricultural applications ( Das et al., 2007 ) improves alkalinity but also ecological advantages them nonbiodegradable. Steel and iron production as steel slag in agriculture liming agent in the process of steel slag is by-product formed in the of. 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