Effect of Steel Slag on Soil Fertility and Plant Growth
The effective utilization of steel slag, a byproduct produced in large quantities from the steel refining process, is an important issue. Because steel slag contains abundant mineral …
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PT. KRNG Indonesia
About Us. Based on accumulated experience in the steel byproduct recycling business in the domestic steel industry, we run blag furnace slag and steel slag, factory scale business and recycle business at PT.Krakatau Posco steel plant.
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An Overview of Use of Linz-Donawitz (LD) Steel …
Nippon KokanKk Corporation (NKK) in Japan has developed a process to produce eco-friendly slow release potassium silicate fertilizer from the slag which is generated during the desiliconisation process of hot metal at steel mill.
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POSCO: Fe-enhanced slag silicate fertilizer: How application of
Winner of the Excellence in Sustainability Steelie Award 2023. Rice is the staple food in South Korea. Every year, 3.8 million tonnes of rice are harvested, accounting for a stagg
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An Overview of Utilization of Steel Slag
In China, the first steel slag fertilizer program invested by Taiyuan Steel Group and Harsco Corporation of USA started building in 2011. 4. Conclusion and Prospect Compared to the developed countries, the utilization rate of steel slag is still very low in China. Therefore, large-scale utilization is a substantial resolution to the ...
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Impact of steel slag fertilizer on acid sulfate soils used for …
Mineral fertilizer combined with steel slag fertilizer in the next Winter-Spring crop produced the highest rice yield of 5.08 tons/ha, and the lowest treatment was with 4.37 tons/ha. The steel slag fertilizer application provides the Ca, Mg, Si, S contents, and other microelements that significantly improve the rice yield composition.
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Impact of Iron and Steel Slag on Crop Cultivation: A …
HUMARIA, Curr.World Environ., Vol. 9(1), 216-219 (2014) 217 fertilizer, but, at the same time, it is too high to be used in the BF or recycled in the sinter plants. Steelmaking Slag as a Silicon Source for Plant
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Effect of Steel Slag on Soil Fertility and Plant Growth
Calcium uptake by B.rapa proportionally increased when the steel slag was added at 0.2% to 1%, and the highest calcium uptake was 24,980 mg/kg at 1% steel slag ().However, the addition of a high concentration of steel slag (above 1%) did not increase the uptake of Ca. A similar tendency was observed in the case of Mg, Fe, and Mn uptake by B.rapa.
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Steel slag amendment impacts on soil microbial …
With the increase in iron/steel production, the higher volume of by-products (slag) generated necessitates its efficient recycling. Because the Linz-Donawitz (LD) slag is rich in silicon (Si) and other fertilizer components, we aim to evaluate the impact of the LD slag amendment on soil quality (by measuring soil physicochemical and biological properties), plant …
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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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Effects of steel slag applications on CH4, N2O and …
Steel slag, a by-product of the steel industry, is already used in fertilizer manufacturing and registered as silicate fertilizer in Japan because of its high iron, silica and calcium contents. Steel slag could be used as an oxidizing …
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Steel Slag as an Iron Fertilizer for Corn Growth and Soil …
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 …
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Impacts of Steel-Slag-Based Silicate Fertilizer on Soil Acidity …
Application of steel slag reduced soil acidity, increased plant–availability of silicon, promoted rice growth and inhibited Cd transport to rice grain in the soil-plant system. 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 ...
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Japan's first use of the general waste slag as fertilizer
One type of slag fertilizer for growing paddy rice is slag siliceous fertilizer (registration name: Calcium Silicate) made from iron and steel slag. The components of our slag (hereinafter referred to as DM Calcium Silicate. DM Calcium Silicate is the registration name when the fertilizer was provisionally registered and it has been registered ...
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Cropping With Slag to Address Soil, Environment, and Food Security
A study was conducted to evaluate the optimum conditions for the utilization of steel slag as fertilizer. Initially, commercial fertilizer was partially replaced (20–60%) with steel slag applied ...
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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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The Comprehensive Utilization of Steel Slag in …
supply Si to rice plants [3]. In China, the first steel slag fertilizer program invested by Taiyuan Iron and Steel Group and Harsco Corporation of the USA started building in 2011 [4]. Steel slag is the result of industrial processes in which iron mineral is reduced, generating products as pig iron (iron with a high proportion of carbon) and steel.
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(PDF) Steel Slag as Soil Amendment and Fertilizer
Studies on the use of steel slag as a soil amendment and mineral fertilizer indicate that steel slag; - 910 can be used as an effective and economical soil amendment material in the reclamation of acid soils as an alternative to agricultural lime, Tozsin & Oztas - Journal of Agricultural Sciences (Tarim Bilimleri Dergisi), 2023, 29(4): 906-913 ...
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Utilization of Steel Slag as a Soil Amendment and …
Steel slag can be used directly a s a fertilizer, or it can be used more effectively by mixing and preparing compost with vegetable and animal wastes. Composted animal manure is used as a...
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Research Progress on Application of Steel Slag in …
Steel slag containing a small amount of harmful heavy metal elements such as Cr 6+, Pb 2+ is of the main factors hindering the application of steel slag in agriculture [7, 8].China's Official GB8173-87—Standard for Controlling Pollutants in Agricultural Fly Ash, based on the total concentration of heavy metals, but the total concentration of heavy metals cannot reflect their …
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Effect of Steel Slag on Soil Fertility and Plant …
The effect of steel slag-based fertilizer was investigated on greenhouse durum wheat cultivar under salt-stress conditions. Two doses of slag: 10 g slag/ kg soil (D1) and 20 g slag/ kg soil (D2 ...
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Slag from steel production as a versatile fertilizer: Evaluation …
Steel slag contains macronutrients such as Ca, Mg, and P, as well as micronutrients, particularly Al, Fe, and Mn, which are typically used as fertilizers (Fig. 1 B, C) …
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The Use of Secondary Metallurgy Slag as Soil Corrective in …
Although there are several attempts to demonstrate the and fertilizer capacity of steel slag, at a legal framework level there were no allowances, at least in Italy, for the recovery of refining steelmaking slag as soil fertilizer prior to the conceptualization of this work. Thus, the novel aim of this work is to prove the compliance of ...
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Application of BOF Steelmaking Slag as a Partial …
Second Set of Experiments. Figure 13a (90% steel slag and 10% commercial fertilizer) and 13 (b) ( steel slag) are shown the growth of peas plant. For 2nd set of experiments, only peas plant was chosen. After conducting 1st set of experiments, it was observed that the growth of chickpea plants is quite slow with respect to peas plant, and the …
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Development of a Novel Steel Slag-Based Sulfur-Enriched
Steel slag as an iron fertilizer for corn growth and soil improvement in a pot experiment, project supported by the National Natural Science Foundation of China (No. 30270800). Pedosphere. 2006; 16 (4):519-524. ISSN 1002-0160. DOI: 10.1016/S1002-0160(06)60083-0; 14.
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Silicon elution from three types of steel slag fertilizers …
Figure 2 Preparation of slag fertilizer in epoxy resin, and electron probe micro-analyzer (EPMA) analysis. Steel slag fertilizers were embedded in epoxy resin. Epoxy resin was ground and polished to expose the cross section of each fertilizer. After the first EPMA analysis, this resin specimen was set in paddy soil for 75 d.
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Impacts of Steel-Slag-Based Silicate Fertilizer on Soil Acidity …
The steel slag fertilizer was applied as the basic fertilizer in each season before rice transplanting. First, steel slag fertilizer was incorporated well with 5.0 kg soil in each plastic pot. These pots were incubated for 30 days after addition of slags and watered daily with distilled water to maintain 2–3 cm submergence throughout the ...
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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 silicates, which show neutralizing action due to SiO 32− base [2]. Additionally, steel slags have been used as a …
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An Overview of Use of Linz-Donawitz (LD) Steel Slag in Agriculture
LD steel slag as fertilizer in agriculture. Steel LD slag can also be used in fertilizers for agricultural applications (Das et al., 2007). 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). Nippon KokanKk Corporation (NKK) in ...
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Effect of steel slag fertilizer application on soil pH. Data are …
Download scientific diagram | Effect of steel slag fertilizer application on soil pH. Data are means of three replicates. Mean values followed by different letters (a, b, c) in the same season are ...
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