Three fertilizer specimens, made from granulated blast furnace slag, dephosphorization slag or decarburization slag, were prepared to expose their cross section plane to paddy …
Si 0: no Si fertilizer; Si 1: slag fertilizer applied at a rate of 187 mg plant-available Si per kg soil; Si 2: slag fertilizer applied at a rate of 560 mg plant-available Si per kg soil; ... Both steel slag and iron slag are effective in this regard. In this experiment, silicon fertilizer H produced significantly higher grain weight than ...
The hypotheses that may primarily determine how the slag amendment affects rhizosphere microbial community and ecosystem services are, (1) as a rich source of fertilizer components, the slag ...
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.
Impact of steel slag fertilizer on acid sulfate soils used for rice cultivation: a case study in An Giang Province, Vietnam Minh Vo Quang 1*, Khoa Le Van 2, Du Thai Thanh 1, Mi Nguyen Thi Ha 1 ...
The effective utilization of slag fertilizer in agriculture to neutralize soil acidity, improve crop productivity, mitigate greenhouse gas emissions, and stabilize heavy metals in...
Process of slag Generation (epa.gov) During the process of reducing iron ore through coke in a blast furnace, blast furnace slag is generated while steel making slag is generated in the process of ...
During the blast furnace process limestone (CaCO 3) flux is added, to collect the waste products produced: silica (SiO 2), phosphorus pentoxide (P 2 O 5), calcium sulfide (CaS), magnesia (MgO) and alumina (Al 2 O 3).This forms blast furnace (BF) slag, which floats on top of the surface of the hot metal (Peters, 1982).The blast furnace is …
The use of metallurgical solid wastes such as steel slag, in agricultural activity, has become very important to contribute to reducing the accumulation of such wastes in the environment and to increase crop production. So, this chapter aims to emphasize the main aspects of the application of slags to soil chemical attributes as …
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 …
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 soil. Our results show that application of slag at a rate …
In situ stabilization of heavy metals in multiple-metal contaminated paddy soil using different steel slag-based silicon fertilizer. Environ. Sci. Pollut. Res., 23 (23) (2016), pp. 1-10. Crossref View in Scopus Google Scholar. Nkoa, 2014. R. Nkoa.
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. Application of steel …
AgroSilicio, a product of Harsco Environmental, has developed a low-carbon fertilizer made of recycled steel slag. The steel industry by-product has reduced Brazil's carbon footprint by more than ...
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 …
Each slag fertilizer was crushed with a ball mill to fine powder under 210 μm diameter. One tenth of a gram of this fine powder of slag fertilizer and 0.5 g of cation exchange resin were added into 400 mL of distilled water in a plastic bottle (volume 500 mL). The screw cap of the bottle was fastened. This bottle was shaken at 100 rpm at 25°C.
World Steel Association aims to achieve zero waste in the steel industry by reusing and recycling steel slag. Using the slag in other areas reduces the amount of waste, disposal costs, and energy use.
Section snippets Slag production in the metallurgical industry. The iron-making and steel-making industries produce four types of slags, named after the processes from which they are produced (Fig. 2): Blast Furnace Slag (BFS), Basic-Oxygen Furnace Slag (BOFS), Electric-Arc Furnace Slag (EAFS), and Ladle Furnace Slag (LFS), and …
treatments was: (1) 3 tons/ha lime, (2) 3 tons/ha steel slag fertilizer, and (3) 3 tons/ha compost in the experiment. The farmers' practice fertilizer rate of 131 kg N + 41 kg P 2 O 5 + 108 kg K 2 O/ha was ap-plied as the based treatment. Using steel slag fertilizer on acid sulfate soil at a dosage of 3 tons/ha in
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 ...
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 ...
Ferrous slag is the by-product of iron and steel manufacturing. It arises from the conversion of ores to iron, hot iron to steel, from melting scrap in an electric arc furnace or from the subsequent treatment of crude steel. Each year, about 45 million tonnes of ferrous slag (iron and steel slag) is generated in Europe.
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.
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.
Application of slag increased soil pH, plant-available silicon concentrations in soil, and decreased the bioavailability of metals compared with control treatment, whereas pulverous slag was more effective than granular slag. Steel slag has been widely used as amendment and silicon fertilizer to alleviate the mobility and bioavailability of …
DOI: 10.15832/ankutbd.1197239 Corpus ID: 259826947; Utilization of Steel Slag as a Soil Amendment and Mineral Fertilizer in Agriculture: A Review @article{Tozsin2023UtilizationOS, title={Utilization of Steel Slag as a Soil Amendment and Mineral Fertilizer in Agriculture: A Review}, author={Gulsen Tozsin and Taşkın …
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 ...
Application in agriculture Steel slag contains fertilizer components CaO, SiO 2, and MgO. In addition to these three components, it also contains components such as FeO, MnO, and P 2 O 5, so it has been used for a broad range of agricultural purposes. Its alkaline property remedies soil acidity [67]. In developed countries such as Germany ...
The effective utilization of slag fertilizer in agriculture to neutralize soil acidity, improve crop productivity, mitigate greenhouse gas emissions, and stabilize heavy metals in contaminated soils turns it into …
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.
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 …
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 …
Basic slag (BS) is an alkaline by-product of the steel industry with potential properties to ameliorate nutrient supply and metal stabilization in contaminated soils. …
It has been well documented steel slag is a good silicon fertilizer material; it cannot only improve the fertility ofsoil but also enhance the growth and yield ofcrops and the resistance of plants to disease (Seebold et al. 2001; Datnoff et …
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
All fertilizers in this study were made from steel slag. We analyzed the composition of each fertilizer by glass bead X-ray fluorescence spectroscopy (XRF) which is ordina-rily used to analyze the composition of steel slag. Each fertilizer was crushed by disk mill to make fine powder under 210 μm diameter. Contents of Ca, Si, Mg, Mn, Fe,
Site description and soil properties. The effects of steel slag applications on CH 4 and N 2 O emissions from rice fields were examined at two different paddy field sites. The paddy fields were located at the experimental farm of Indonesian Agricultural Environment Research Institute (IAERI), Jakenan and at a farmer's field in Wedarijaksa, …
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 …
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 …
