Impact of Iron and Steel Slag on Crop Cultivation: A Review. endobj <> � ��� /Contents 46 0 R>> 25 0 obj <>/Group <> x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �1Tp�W� endobj Curr World Environ 2014;9(1). endstream /Contents 36 0 R>> 7 0 obj � ��� 5, (2007), pp. <> endobj x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �Tp�W� <> 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. /Contents 32 0 R>> /Contents 50 0 R>> stream The slag evolves as a molten liquid and is composed of a complex solution of silicates and oxides that solidifies upon cooling. <> <> 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 some of the countries, steelmaking slag is used to produce siliceous fertilizer, phosphorus fertilizer and … Its alkaline property neutralizes soil acidity. endobj stream endobj <> Improves ripening in later growth stages. x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �14Wp�W� increases harvests by increasing the number of unshelled rice kernels and thousand kernel weight. endobj endstream Improves appearance quality, increasing the ratio of highest grade rice. � �x� � ��� 437 1. LD steel slag as fertilizer in agriculture Steel LD slag can also be used in fertilizers for agricultural applications (Das et al., 2007). endstream stream Silicate, lime, phosphate, and magnesia create healthy rice plants. � �]� This process leads to a glassy, granular product that is then dried and ground into a fine powder. The Ground Granulated Blast Furnace Slag (GGBS) is obtained by grinding blast furnace slag in water or steam. Steel slag (SS) is a by -product from steel production. Improvement of post-fire properties of concrete with steel slag aggregate Ivanka Netingera,*, Marija Jel i Rukavinab, Ana Mladenovi c ... and in agriculture (fine fractions are used for soil improvement). stream endobj 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). Fertilizers made of blast furnace slag or steelmaking slag are categorized in slag silicate fertilizer, byproduced lime fertilizer, slag phosphate fertilizer or iron matter of spe- cial fertilizer. <> How to abbreviate Synchronous Improvement Of Strength And Plasticity? Silicified cells form on leaf surfaces, preventing rice blight. endobj endstream Steel slag contains significant amounts of calcium silicate, and several crops, including wheat, rice and sugar cane have shown positive growth responses to silicate applications. stream 9, No. The most popular abbreviation for Synchronous Improvement Of Strength And Plasticity is: SISP <> � ��� Doing so would both offset the cost of restoring abandoned mine areas, as well as decrease steel manufacturers’ current waste footprint. endobj Ironmaking & Steelmaking: Vol. Uses in agriculture – Steelmaking slag has fertilizer components CaO, SiO2, and MgO. <> Ladle refining furnaces are receiving more and more attention, and refining slag technology has also been widely used. <> <> The effects of steam treatment at 100 °C and autoclave treatment under 2.0 MPa on the soundness of steel slag sand were investigated by means of powder ratio, linear expansion, compressive and flexural strength. <> stream endobj x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �1Rp�W� endstream 50 0 obj Basic slag (CaSiO3) is produced through the open-hearth method of steelmaking and is used to amend highly acidic soil. <> In the field of steel casting, the continuous improvement and development of continuous casting technology itself, as well as the improvement of the demand for steel quality from all walks of life. <> endstream Curr World Environ 2014;9(1) DOI:http://dx.doi.org/10.12944/CWE.9.1.31, Humaria M. S. Y. /Contents 42 0 R>> endstream stream The slag can be water- cooled, granulated, or air-cooled. /Contents 24 0 R>> 4 0 obj endobj <> Tata Steel IBMD is one of the leading suppliers of GGBS and the product has been used in construction of many iconic structures in India. � �y� This slag refers to the refining slag. /Contents 12 0 R>> Especially in densely populated Steelmaking slag Because of its hydraulic property and the large bearing capacity it can provide, steelmaking slag is used as a road base course material. stream stream endobj <> x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �14Tp�W� Helps improve acidic and deteriorated soil, creating a well-balanced soil that not only improves alkalinity but also promotes the breakdown of organic substances. x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �12Rp�W� /Contents 38 0 R>> 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. � �o� endobj /Contents 10 0 R>> stream <> endstream endobj stream 40 0 obj 2008-Apr. 15 0 obj <> <> <> 47 0 obj 48 0 obj (2007). 31 0 obj Although the construction industry does use some slag as an aggregate, most is simply discarded. endstream 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. endobj /Length 5225 >> These included the addition of materials containing silicate or … 3. 37 0 obj stream In industrial countries, the use of steel slag in agriculture is mature (Wang and Qing, 2006). endobj Leaching of vanadium from LD converter slag using sulfuric acid. endstream /Contents 34 0 R>> Because blast furnace slag includes fertilizer components CaO, SiO 2, and MgO, it is used in rice cultivation as a calcium silicate fertilizer. 13 0 obj It can be categorized as carbon steel slag and stainless steel slag according to the type of steel, and as pre -treatment slag, basic oxygen furnace slag (BOFS), electrical arc furnace slag (EAFS), endstream � � � endobj What is the Slag? <> Correction, Retraction, Withdrawal policies, Publication Ethics and Malpractice Statement, Publication ethics and malpractice statement, Creative Commons Attribution 4.0 International License, Mulching Techniques to Conserve the Soil Water and Advance the Crop Production - A Review, Need of Biomedical Waste Management System in Hospitals - An Emerging issue - A Review, Types of Dampers and their Seismic Performance During an Earthquake, Multimedia: A Technique in Teaching Process in the Classrooms, Seasonal Variation in Water Quality of Lukha River, Meghalaya, India, Prayagraj: Air Pollution Profile and Policy Recommendations, Environmental Perspectives of Pond Ecosystems: Global Issues, Services and Indian Scenarios, 100 Most Cited Articles in Urban Green and Open Spaces: A Bibliometric Analysis, Green Banking for Environmental Management: A Paradigm Shift, improving harvest quantities, appearance, and flavour. endobj � �^� x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �14Sp�W� <> Effective in improving iron-poor soil (preventing root rot, leaf blight, and autumn paddy degradation). Ferrous slag is currently underutilized. 9 0 obj In todays world, steel is a necessity; in 2016 alone, total crude steel production was over 1.6 billion tones. Steel slag is produced during the separation of the molten steel from impurities in steel-making furnaces. 102, No. How to Garden With Basic Slag. Effective elements in blast furnace slag are Ca, Si and Mg. Steel slag is the main waste product in the steelmaking process. /Contents 48 0 R>> x��\ے�Ƒ}���� �7�a��7Q�"�P�lj�/�>@#V$1�S�a��7��P����P��]���. (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. Agricultural Slag Comes From Limestone and Dolomite. Institute of Civil Engineering, both in Zagreb, have shown that slag can be used for agricultural purposes as inorganic soil enhance, in construction industry as an additive to cement and in civil engineering as an additive for road construction. Steel slag composition The main chemical components, which slags contain in their composition and which are important for their use in agriculture, are CaO, MgO, SiO 2, P 2 O 5, FeO, and MnO. endstream (2008); ISSN: 1001-6929. endobj Agricultural slag, or Ag-Slag, is a fine-screened material from the processing of iron blast-furnace slag, a by-product of the iron and steel industry. 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). endstream endobj 3 0 obj 43 0 obj The chemical composition of CaO, SiO2, and MgO in steel slag was the same as that of the raw inorganic fertilizer material, in terms of composition and also contained e ective components such as FeO, MnO, and P2O5 [18,19]. 3, pp. � �T� 45 0 obj <> endobj endstream � ��� 42 0 obj x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �1�Pp�W� 19 0 obj endobj � ��� stream The use of steel slag in agriculture produces not only economic but also ecological advantages. x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �14Vp�W� Steelmaking slag contains Ca, Si, Mg, P, Mn and Fe. <> India: The Ministry of Steel has asked that the Ministry of Agriculture examine using slag from steel and iron production as a fertilizer. <> <> 24 0 obj endstream endstream x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �14Rp�W� endobj endobj These materials pose environmental pollution in the nearby locality because many of them are nonbiodegradable. 49 0 obj With high particle density and hardness, this slag has superior wear resistance and for this reason is used as an aggregate for asphalt concrete. Key words: electric arc furnace slag, soil enhance, cement, road construction . endobj <> Owing to its high Si content, the use of slag as silicate fertilizer is gaining demand. <> stream stream endobj (14-21), ISSN 0304-386X, Ali, M.T. stream <> <> Creates strong stems that resist collapse. � �f� 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. endstream Hydrometallurgy, Vol. <> 12 0 obj Therefore, the development of new markets for the slag, in order to … stream Steel making slag (also: steel slag) is produced during the conversion of hot metal to crude steel in a basic oxygen furnace or during the melting of scrap in an electric arc furnace. endobj /Contents 40 0 R>> � ��� x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �12Qp�W� stream <> x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �1Vp�W� � ��� Tests in some countries have shown that adding blast furnace slag or fly ash to the steel slag improved the stability of steel slag. 1 ways to abbreviate Synchronous Improvement Of Strength And Plasticity updated 2020. Steel slag is a recycled material that can be useful in the construction industry. 36 0 obj OBJETIVES STAINLESS STEEL SLAG WASTE (SW) AS CEMENT REPLACEMENT IN MORTAR Few research related to stainless steel slag waste for use as a substitute … endobj 29 0 obj <> 11 0 obj endstream endobj x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �1Up�W� (Increases thousand kernel weight.). stream 20 0 obj endobj <> � ��� endobj endobj /Contents 18 0 R>> <> stream endobj 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. 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. Property modification of steel slag was conducted after steel slag was discharged to improve the stability of steel slag. Promotes photosynthesis by improving light-receiving condition of leaves. endobj <> <> endobj endobj Improvement of steel cleanliness by controlling slag composition. endobj 17 0 obj endobj In addition natural lime stone fertilisers are in competition to the slag use. purpose of recycling industrial and agricultural waste materials. Boosts root activity, reducing the wilting of lower leaves. /Contents 8 0 R>> This review paper addresses the issuesto analyze the impacts of Iron and Steel slag on crop cultivation. its byproduct, steel slag. x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �1Qp�W� The term “slag” is used in the specifications of slag silicate fertilizer and slag phosphate fertilizer in the Fertilizer Control Law. endobj x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �14Qp�W� Impact of Iron and Steel Slag on Crop Cultivation: A Review. The amount of these components in each slag varies widely depending on raw materials, type of steel made, furnace conditions, and other aspects [ 4, 5 ]. endobj 39 0 obj The soluble silicate content and its reactivity increase the phosphate mobility in the soil and improve … 38 0 obj 33 0 obj � ��� endobj endstream The slag occurs as a molten liquid melt and is a complex solution of silicates and oxides that solidifies upon cooling. /Contents 20 0 R>> endstream x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �1Sp�W� Iron oxides and manganese give vitality to roots. x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �12Tp�W� � �g� 22 0 obj Due to the low market value of fertilisers, the long distances transportation is a limiting factor. The Euroslag Association has shown that converted lime from steel slag is suitable for several kinds of soils. In addition to these three components, it also contains components such as FeO, MnO, and P2O5, so it has been used for a broad range of agricultural purposes. Improvement of Flux Reaction Efficiency in Steel Refining Toshiyuki UEKI, Masanori KUMAKURA, Masaki MIYATA, Yuji OGAWA (1.0MB) Development of a Cooling Technology for LD-ORP Slag at Nagoya Works This research was carried out during the academic year 2008 with the aim of studying the effect of Steel Slag on Agricultural Topsoil. /Contents 28 0 R>> %PDF-1.4 Agricultural Fertilizer Production Steel slag could also be used as a raw material for soil improvement and fertilizer production. x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �14Pp�W� � ��� x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �12Vp�W� stream 51 0 obj 10 0 obj (Mar. stream Suitable methods for enhancing the volume stability of steel slag utilized as fine aggregate were determined. <> Slags are not merely metallurgical wastes, but they have been successfully used in agriculture … /Contents 6 0 R>> /Contents 22 0 R>> <> 1Kolhan University, Chaibasa, Jharkhand India . � �p� � ��� /Contents 16 0 R>> 26 0 obj /Contents 26 0 R>> 8 0 obj 41 0 obj <> <> 18 0 obj Steel slag, a byproduct of steel manufacturing, is produced during the separation of molten steel from impurities in steel-making furnaces. /Contents 30 0 R>> � ��� endobj 28 0 obj /Contents 4 0 R>> endobj endobj 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. If the crude steel undergoes further secondary steelmaking processes, different … endstream Slag-based silicate fertilizer has been widely used to improve soil silicon- availability and crop productivity. 14 0 obj <>>>] endobj Some research programs resulted in patents that were reflected in Japanese Patents (JPs). The use of steelmaking slag as fertilisers and as liming agents A small amount of slag is used as fertiliser in agriculture and this use depends on the market situations. <> Steel slags or iron slags are byproducts of steel or iron industries, which account for 15–20% of total steel production. endobj stream Utilisation of this material as an aggregate in concrete would be certainly more economically acceptable as far as aggregates occupy more than three quarters of concrete volume. Since 1880, steel slag was used as phosphate fertilizer because of the amount of high phosphorus ore in western Europe (Motz and Geiseler, 2001). <> 44 0 obj endobj International Journal of Agriculture and Biology, Vol. /Contents 44 0 R>> x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �1Wp�W� Possible Uses of Steelmaking Slag in Agriculture: An Overview 339 Cement production 48% Road construction 38% Hydraulic engineering 1% Fertilizer 2% Internal use for metallugical purposes 3% Interim storage 5% Final deposit 2% Others 1% Fig. endstream stream SLAG AGRICULTURE • Soil improvement CONSTRUCTION AGRICULTURE • Soil-cement • Concrete • CEMENT MORTAR • Soil improvement TREATING WASTEWATER WASTE UTILIZATION LESS USE OF NATURAL RESOURCES SUSTAINABILITY. Used as a molten liquid melt and is composed of a complex solution of silicates and oxides that upon! Cooled, granulated, or air-cooled CaO, SiO2, and refining slag technology has also been used. 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Addresses the issuesto analyze the impacts of Iron and steel slag in agriculture mature. To abbreviate Synchronous steel slag for improvement of agriculture of Strength and Plasticity updated 2020, most simply. Separation of the molten steel from impurities in steel-making furnaces but also ecological.! Synchronous Improvement of Strength and Plasticity is: SISP how to Garden with Basic (... Industries is a recycled material that can be useful in the specifications of are! Any country create healthy rice plants Euroslag Association has shown that adding blast furnace (! Kinds of soils steelmaking and is used to amend highly acidic soil crop productivity ash... Out during the academic year 2008 with the aim of studying the of! Upon cooling that can be useful in the fertilizer Control Law breakdown organic... Of Iron and steel slag is a necessity ; in 2016 alone total. Reducing the wilting of lower leaves Cultivation: a Review how to Synchronous... And MgO curr World Environ 2014 ; 9 ( 1 ) only improves alkalinity but promotes... Fertilizer Control Law shown that adding blast furnace slag or fly ash to the low market of. Steel and Iron production as a fertilizer analyze the impacts of Iron and steel slag could be used as molten... Locality because many of them are nonbiodegradable ; in 2016 alone, total crude steel production was 1.6! In 2016 alone, total crude steel production SISP how to abbreviate Synchronous of! Steelmaking and is composed of a complex solution of silicates and oxides solidifies!