� ��� stream endstream stream Due to the low market value of fertilisers, the long distances transportation is a limiting factor. These materials pose environmental pollution in the nearby locality because many of them are nonbiodegradable. 1Kolhan University, Chaibasa, Jharkhand India . SLAG AGRICULTURE • Soil improvement CONSTRUCTION AGRICULTURE • Soil-cement • Concrete • CEMENT MORTAR • Soil improvement TREATING WASTEWATER WASTE UTILIZATION LESS USE OF NATURAL RESOURCES SUSTAINABILITY. 28 0 obj x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �14Wp�W� endobj The term “slag” is used in the specifications of slag silicate fertilizer and slag phosphate fertilizer in the Fertilizer Control Law. endobj <> endobj Helps improve acidic and deteriorated soil, creating a well-balanced soil that not only improves alkalinity but also promotes the breakdown of organic substances. endobj <> x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �1�Tp�W� <> <> endobj endobj � ��� Ironmaking & Steelmaking: Vol. 20 0 obj 3, pp. 43 0 obj This slag refers to the refining slag. � ��� <>/Group <> /Contents 12 0 R>> 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. endobj <> How to Garden With Basic Slag. endstream Silicate, lime, phosphate, and magnesia create healthy rice plants. Improves appearance quality, increasing the ratio of highest grade rice. 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. The soluble silicate content and its reactivity increase the phosphate mobility in the soil and improve … stream <> /Contents 46 0 R>> /Contents 42 0 R>> What is the Slag? Effective elements in blast furnace slag are Ca, Si and Mg. 11 0 obj In some of the countries, steelmaking slag is used to produce siliceous fertilizer, phosphorus fertilizer and … endstream x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �1Qp�W� � ��� 5 0 obj x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �12Tp�W� /Contents 50 0 R>> endstream /Contents 18 0 R>> OBJETIVES STAINLESS STEEL SLAG WASTE (SW) AS CEMENT REPLACEMENT IN MORTAR Few research related to stainless steel slag waste for use as a substitute … 13 0 obj Steel slag (SS) is a by -product from steel production. /Contents 14 0 R>> endobj endobj Steel slag is produced during the separation of the molten steel from impurities in steel-making furnaces. 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. � �g� <> endobj 31 0 obj x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �Pp�W� Boosts root activity, reducing the wilting of lower leaves. Converter slag as a liming agent in the amelioration of acidic soils. <> Iron oxides and manganese give vitality to roots. Creates strong stems that resist collapse. <> 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. endstream Some research programs resulted in patents that were reflected in Japanese Patents (JPs). 25 0 obj 42 0 obj &Shahram, S.H. 26 0 obj increases harvests by increasing the number of unshelled rice kernels and thousand kernel weight. Marine Stone™, a gravel-type steel slag product, is a habitat forming material that suppresses hydrogen sulfide, which arises from an unhealthy seabed and improves water and sediment quality in … � �^� 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), Owing to its high Si content, the use of slag as silicate fertilizer is gaining demand. 48 0 obj <> x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �1Tp�W� stream 6 0 obj <> 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 � ��� 37 0 obj 50 0 obj 1 0 obj The Ground Granulated Blast Furnace Slag (GGBS) is obtained by grinding blast furnace slag in water or steam. endobj x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �12Rp�W� x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �14Vp�W� endstream � ��� <> Ladle refining furnaces are receiving more and more attention, and refining slag technology has also been widely used. endobj 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. its byproduct, steel slag. 3 0 obj 22 0 obj (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. Leaching of vanadium from LD converter slag using sulfuric acid. <> Steelmaking slag contains Ca, Si, Mg, P, Mn and Fe. Effective in improving iron-poor soil (preventing root rot, leaf blight, and autumn paddy degradation). � ��� stream endstream x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �12Vp�W� 32 0 obj Doing so would both offset the cost of restoring abandoned mine areas, as well as decrease steel manufacturers’ current waste footprint. In addition, due to its high angle of shearing resistance, high particle density, and large weight per unit … endstream The use of steel slag in agriculture produces not only economic but also ecological advantages. The most popular abbreviation for Synchronous Improvement Of Strength And Plasticity is: SISP 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. Large amounts of slag are produced in China annually . endobj � �p� stream � �f� 46 0 obj x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �1Wp�W� <> Key words: electric arc furnace slag, soil enhance, cement, road construction . endobj stream <> endstream 3. 14 0 obj In addition to the liming materials, steel slag contains various concentrations of plant nutrients, such P, S, Mn, Fe, and Mo. /Contents 48 0 R>> endstream endobj endstream � ��� Promotes photosynthesis by improving light-receiving condition of leaves. x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �14Pp�W� 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. Available from: http://www.cwejournal.org/?p=5746, Download article (pdf) Citation Manager endstream Property modification of steel slag was conducted after steel slag was discharged to improve the stability of steel slag. x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �1Up�W� However, slag could be used to treat acid soils or acid mine drainage. <> 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. x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �14Up�W� endstream <> stream endobj 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. <> <> endobj /Contents 26 0 R>> 33 0 obj (14-21), ISSN 0304-386X, Ali, M.T. 30 0 obj endstream 51 0 obj 437 1. <> The Euroslag Association has shown that converted lime from steel slag is suitable for several kinds of soils. stream DOI: http://dx.doi.org/10.12944/CWE.9.1.31, Humaria M. S. Y. The slag occurs as a molten liquid melt and is a complex solution of silicates and oxides that solidifies upon cooling. x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �12Pp�W� 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. Impact of Iron and Steel Slag on Crop Cultivation: A Review. Agricultural Fertilizer Production Steel slag could also be used as a raw material for soil improvement and fertilizer production. <> stream endstream endobj <> 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 stream 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. Curr World Environ 2014 ; 9 ( 1 ) the issuesto analyze the impacts Iron! 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