usage of steel slag for fertilizer
Steel Slag as an Iron Fertilizer for Corn Growth and Soil Improvement
The feasibility of steel slag used as an iron fertilizer was studied in a pot experiment with corn. Slag alone or acidified slag was added to two Fe-deficient calcareous soils at different rates. Results showed that moderate rates (10 and 20 g kg −1) of slag or acidified slag substantially increased corn dry matter yield and Fe uptake ...
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Steelmaking Slag for Fertilizer Usage
Main Subject According to Nippon Slag Association's statistics on the use of 2.1 History of fertilizer using steelmaking slag as a raw material slag in 2012,1) the consumption of blast furnace slag was 1 390 000 and the fertilizer control law tons for civil engineering, 18 220 000 tons for cement production, The use of steelmaking slag as a ...
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In situ stabilization of heavy metals in multiple-metal contaminated
Steel slag has been widely used as amendment and silicon fertilizer to alleviate the mobility and bioavailability of heavy metals in soil. The objective of this study was to evaluate the influence of particle size, composition, and application rate of slag on metal immobilization in acidic soil, metals uptake by rice and rice growth. The results …
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Effects of Slag-Based Silicon Fertilizer on Rice Growth …
potentially be used as a Si fertilizer source. Application of such kind of Si fertilizer has been shown to improve degraded paddy soils, as well as rice growth and disease resistance [2,29–34]. So, slag applied to paddy rice fields as Si fertilizer is beneficial not only for rice health and growth, but also from economic and environmental ...
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Utilization of Steel Slag as a Soil Amendment and Mineral Fertilizer …
(DOI: 10.15832/ankutbd.1197239) The gradual increase in industrial wastes allowed the utilization of these wastes in different areas. Steel slag, one of the industrial wastes, is formed during the reduction of molten crude iron to molten crude steel in basic oxygen furnaces (BOF) or scrap to molten crude steel in electric arc furnaces (EAF) and …
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Utilization of Steel Slag as a Soil Amendment and …
Therefore, the use of steel slag as agricultural lime material and/or mineral fertilizer is of great importance (Hemalatha 2013; Wen et al. 2020). The slag formed as a result of the steelmaking ...
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09 Special Issue on Iron and Steel Slag
Basic Properties and Utilization of Steam-Cured Concrete Using Ground Granulated Blast-Furnace Slag Yukihiko NAGAO, Koji SUZUKI (2.5MB) Steelmaking Slag for Fertilizer Usage Kimio ITO (5.1MB) Reforestation Efforts with Steelmaking Slag and Artificial Humus
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Elution of Plant Nutrition Elements from Steel Slag …
be used for fertilizer applications. In this paper, we use the term "slag fertilizer" to refer to the fertilizer made from blast furnace slag and steelmaking slag. The content of plant nutrient elements in fertilizers is mostly an-alyzed by the elution test specified in the Fertilizer Analysis Method (1992) 2). Table 1
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Iron and steel slag products : NIPPON SLAG ASSOCIATION
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. Because blast furnace slag includes fertilizer components CaO, SiO 2, and MgO, it is used in rice cultivation as a calcium silicate fertilizer.
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Steel slag as accelerant in anaerobic digestion for …
Accelerants can effectively enhance the performance of anaerobic digestion (AD) system. The effects of optimized steel slag as accelerant in the AD of cow manure and the fertility utilization of the digestate were investigated. Results show that all steel slags collected from different iron and stee …
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Application of BOF Steelmaking Slag as a Partial …
Wang et al. investigated the use of steel slag as an iron fertilizer for corn growth and soil improvement in a pot experiment. They showed that mineral uptake by the plants decreased when steel slag above 1% was added to the soil. A lower amount of steel slag (0.2–1%) added to the soil, however, led to increased mineral (Ca, Mg, and ...
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The Comprehensive Utilization of Steel Slag in Agricultural …
As a product of waste steel industries, slags are high in CaO, P2O5, SiO2, MgO, MnO, and Fe oxides, which can be used for fertilizer applications (Wang and Cai 2006;Ning et al. 2016;Das et al. 2020).
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(PDF) Effect of steel converter slag as iron fertilizer in some
The agronomic value of steel slag as a fertilizer or as a material has been evaluated previously [10][11][12]. ... According to the statistic of EURO-SLAG, the usage of steel slag in road ...
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Utilization of Steel Slag as a Soil Amendment and Mineral Fertilizer …
This research provides information about the studies and application examples on the use of steel slag as a soil amendment and mineral fertilizer in the world. This usage allows reducing the consumption of natural resources and providing great agricultural, environmental, and economic gain by minimizing the negative environmental effects of ...
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Production, characterisation, utilisation, and beneficial soil
The use of steel slag for soil application can potentially decrease GHG emissions in agriculture by increasing active soil carbon (carbon readily available to …
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Utilization of Steel Slag in Agriculture (Review)
This paper aimed to discuss the use of steel slag in agr iculture as fertilizer, lime and ameliorant in the soils. The content o f elements and compounds in steel slag is the basic component for
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(PDF) Use of Steel making Slag as a soil conditioner to …
The results show that steel slag is rich in Ca, Mg, P, Si, micronutrients, and low in heavy metals. The steel slag application for rice plants on Latosol and ASS show a positive effect. Rice production on soil with steel slag addition is higher than control. The optimum doses of steel slag are 6 tons/ha for Latosol and 9 tons/ha for ASS.
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Steel Slag Utilization — Overview in Indian Perspective.
Current total productions of steel slag in India, are around 12 million tonnes per annum (Indian Minerals Yearbook, May 2016), which is far behind the developed countries. Presently in India, due to limited modes of practices of utilization, huge amount of iron and steel slag dumped in yards of each production unit and engaging of important ...
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UTILIZATION OF STEEL SLAG IN IMPROVING SOIL …
This study aimed to observe the use of steel slag in agriculture as fertilizer, lime and ameliorant in the soils. The method used was the experimental design used steel slag …
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Steel slag in China: Treatment, recycling, and management
Steel slag fertilizer was applied at a rate of 200 and 400 g m −2, which led to an increased yield of about 8% for the rice planted compared with the rice planted without the slag fertilizer application; this increase extended another 4% when the applied amount of slag was doubled (Gao et al., 2015). Steel slag, however, contains trace ...
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Steel slag as accelerant in anaerobic digestion for …
In general, use steel slag accelerant in the AD system is an effective strategy not only for realizing the resource utilization but also for achieving hazard-free treatment of waste (steel slag and cow manure). 4. Conclusions. The use of steel slag accelerants in AD systems considerably improve biogas production and COD degradation rate.
ادامه مطلبSteel slag amendment impacts on soil microbial …
Slags are rich in Silicon (Si) and other fertilizer components, such as Ca, Fe, Mn, and P 2, 3, 4. These beneficial properties of the slag can be exploited to …
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Euroslag
Each year, about 45 million tonnes of ferrous slag (iron and steel slag) is generated in Europe. Examples of traditional applications of ferrous slag are the use as aggregates and cement component in the building sector …
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The Comprehensive Utilization of Steel Slag in …
In China, the first steel slag fertilizer program invested by Taiyuan Iron and Steel Group and Harsco Corporation of the USA started ... so the use of steel slag in the no-tillage system can be an important alternative source for …
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The Comprehensive Utilization of Steel Slag in …
In agriculture, slags can be used as fertilizers and corrective of soil acidity [1]. Slags are calcium and magnesium …
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Harsco sees slag-to-fertilizer opportunity
Steel mill services firm Harsco Environmental has been producing and selling AgroSilicio, a low-carbon fertilizer made from steel slag, in Brazil in cooperation with the government of a Brazilian state. Harsco, a division of Philadelphia-based Enviri Corp., has been invited by the Brazilian state of Minas Gerais to make a presentation on the ...
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Steelmaking Slag for Fertilizer Usage
lizers made from steelmaking slag, sil icic acid has the most important fertilizer effect. For example, a paddy field has been reported to produce a yield of 6 tons/ha, the absorption of N by rice is 100–120 kg/ha, whereas that of silicic acid by rice is 10 times greater.
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Utilization of Steel Slag as a Soil Amendment and …
This research provides information about the studies and application examples on the use of steel slag as a soil amendment and mineral fertilizer in the world.
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Utilization of Steel Slag as a Soil Amendment and Mineral Fertilizer …
Steelmaking slag for fertilizer usage. Nippon Steel & Sumitomo Metal Technical Report No. 109, 130–136. Jafer H M, Atherton W, Sadique M, Ruddock F & Loffill E (2018). Development of a new ternary blended cementitious binder produced from waste materials for use in soft soil stabilisation. Journal of Cleaner Production 172: 516–528.
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Impacts of Steel-Slag-Based Silicate Fertilizer on Soil Acidity …
Slag-based silicate fertilizer has been widely used to improve soil silicon- availability and crop productivity. 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 soi …
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