stream However, slag could be used to treat acid soils or acid mine drainage. stream endobj stream <> stream endstream These materials pose environmental pollution in the nearby locality because many of them are nonbiodegradable. endstream 34 0 obj stream endobj <> Curr World Environ 2014;9(1) DOI:http://dx.doi.org/10.12944/CWE.9.1.31, Humaria M. S. Y. /Contents 44 0 R>> endstream endstream x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �12Vp�W� Effective elements in blast furnace slag are Ca, Si and Mg. <> endstream If the crude steel undergoes further secondary steelmaking processes, different … endstream In addition natural lime stone fertilisers are in competition to the slag use. Compared with the use of natural sand, the use of iron and steel slag for ground improvement can reduce the cost of ground preparation for construction and other uses. Since 1880, steel slag was used as phosphate fertilizer because of the amount of high phosphorus ore in western Europe (Motz and Geiseler, 2001). 45 0 obj endstream stream 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. 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. <> 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). endstream SLAG AGRICULTURE • Soil improvement CONSTRUCTION AGRICULTURE • Soil-cement • Concrete • CEMENT MORTAR • Soil improvement TREATING WASTEWATER WASTE UTILIZATION LESS USE OF NATURAL RESOURCES SUSTAINABILITY. endobj How to Garden With Basic Slag. stream <> 21 0 obj stream Improves ripening in later growth stages. Helps improve acidic and deteriorated soil, creating a well-balanced soil that not only improves alkalinity but also promotes the breakdown of organic substances. Property modification of steel slag was conducted after steel slag was discharged to improve the stability of steel slag. � �T� endobj � ��� stream <> In addition to the liming materials, steel slag contains various concentrations of plant nutrients, such P, S, Mn, Fe, and Mo. 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. x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �1Tp�W� /Contents 20 0 R>> endstream 51 0 obj endobj Suitable methods for enhancing the volume stability of steel slag utilized as fine aggregate were determined. 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. endobj x��\ے�Ƒ}���� �7�a��7Q�"�P�lj�/�>@#V$1�S�a��7��P����P��]���. 11 0 obj Especially in densely populated 4 0 obj <> This slag refers to the refining slag. stream 23 0 obj 46 0 obj endstream x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �1Vp�W� <> Effective in improving iron-poor soil (preventing root rot, leaf blight, and autumn paddy degradation). endobj 8 0 obj endobj 37 0 obj 6 0 obj endobj x�3R��2�35W(�*T0P�R0T(�Y@���@QC= P A�J��� �1Rp�W� <> /Contents 30 0 R>> This research was carried out during the academic year 2008 with the aim of studying the effect of Steel Slag on Agricultural Topsoil. 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